TRACO POWER TMR 3 Series Application Note
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TRACO POWER TMR 3 Series Application Note

Dc/dc converter 4.5 to 9vdc, 9 to 18vdc, 18 to 36vdc or 36 to 75 vdc input 3.3 to 15vdc single outputs and ±5 to ±15vdc dual outputs, 3w
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TMR 3 Series
DC/DC Converter 4.5 to 9Vdc, 9 to 18Vdc, 18 to 36Vdc or 36 to 75 Vdc Input
3.3 to 15Vdc Single Outputs and ±5 to ±15Vdc Dual Outputs, 3W
E188913
Complete TMR-3 datasheet can be downloaded at:
http://www.tracopower.com/products/tmr3.pdf
General Description
The TMR 3 series offer 3 watts of output power from a 21.8 x 9.2 x 11.1mm package without derating up to an operating
temperature of 71ºC and without need of any external components. This product has a 2:1 wide input voltage of 4.5-9, 9-18,
18-36 and 36-75Vdc with an I/O isolation test voltage of 1500Vdc and indefinite short-circuit protection. All models are particularly
suited to telecommunications, industrial, mobile telecom and test equipment applications.

Table of contents

Absolute Maximum Rating
Input Specification
General Specification
Input Source Impedance
Thermal Consideration
Created by Traco Electronic AG Arp.
Features
• Single output current up to 700 mA
• Dual output current up to ±300mA
• 3 watts maximum output power
• High efficiency up to 85%
• RoHS directive compliant
• SIP package, 21.8 x 9.2 x 11.1mm (0.86 x 0.36x 0.44 inch)
• 2:1 wide input voltage range
• Low ripple & noise
• UL94-V0 case potting materials
• Input to output isolation: 1500Vdc, 1 min
• Continuous short circuit protection
• Remote ON/OFF
• ISO 9001 certified manufacturing facilities
• UL60950-1 Recognized E188913 (Pending)
Applications
• Distributed power architectures
• Workstations
• Communication equipment
• Computer equipment
P2
Remote ON/OFF Control
P4
P5
P70
Part Number Structure
Safety and Installation Instruction
P73
MTBF and Reliability
P73
www.tracopower.com
th
Date: April 17
, 2009 / Rev.: 1.3 / Page 1 / 77
P73
P74
P74
P75
P75
P76
P77
P77

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  • Page 1: Table Of Contents

    General Description The TMR 3 series offer 3 watts of output power from a 21.8 x 9.2 x 11.1mm package without derating up to an operating temperature of 71ºC and without need of any external components. This product has a 2:1 wide input voltage of 4.5-9, 9-18, 18-36 and 36-75Vdc with an I/O isolation test voltage of 1500Vdc and indefinite short-circuit protection.

  • Page 2: Output Specification

    Application Note 3W, Single and Dual Output Absolute Maximum Rating Parameter Model Unit Input Voltage Continuous TMR 3-05xx TMR 3-12xx TMR 3-24xx TMR 3-48xx Input Voltage TMR 3-05xx Transient (100ms) TMR 3-12xx TMR 3-24xx TMR 3-48xx Input Voltage Variation V/ms (complies with EST300 132 part 4.4) Operating Ambient Temperature (with derating) °C...
  • Page 3 Application Note 3W, Single and Dual Output Output Specification (continue) Parameter Model Unit max Output Capacitor Load TMR 3-xx10 3300 TMR 3-xx11 1680 TMR 3-xx09 1000 TMR 3-xx12 µF TMR 3-xx13 TMR 3-xx21 ±1000 TMR 3-xx22 ±470 TMR 3-xx23 ±330 Input Specification Parameter Model...
  • Page 4 Application Note 3W, Single and Dual Output Input Specification (continue) Parameter Model Unit Input Standby Current TMR 3-0510 (Typical Value at V ; No Load) TMR 3-0511 in nom TMR 3-0509 TMR 3-0512 TMR 3-0513 TMR 3-0521 TMR 3-0522 TMR 3-0523 TMR 3-1210 TMR 3-1211 TMR 3-1209...
  • Page 5 Application Note 3W, Single and Dual Output General Specification Parameter Model Unit Efficiency (See Page 52) TMR 3-0510 ; Full Load ; T =25°C) TMR 3-0511 in nom TMR 3-0509 TMR 3-0512 TMR 3-0513 TMR 3-0521 TMR 3-0522 TMR 3-0523 TMR 3-1210 TMR 3-1211 TMR 3-1209...

  • Page 6: Characteristic Curves

    Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0510 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 7 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0510 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 8 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0511 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 9 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0511 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 10 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0509 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 11 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0509 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 12 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0512 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 13 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0512 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 14 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0513 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 15 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0513 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 16 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0521 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 17 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0521 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 18 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0522 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 19 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0522 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 20 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0523 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 21 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-0523 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 22 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1210 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 23 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1210 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 24 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1211 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 25 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1211 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 26 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1209 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 27 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1209 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 28 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1212 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 29 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1212 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 30 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1213 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 31 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1213 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 32 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1221 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 33 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1221 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 34 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1222 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 35 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1222 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and Vo Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 36 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1223 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 37 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-1223(Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom Conduction Emission of EN55022 Class B...
  • Page 38 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2410 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 39 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2410 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 40 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2411 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 41 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2411 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 42 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2409 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 43 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2409 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 44 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2412 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 45 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2412 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 46 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2413 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 47 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2413 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 48 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2421 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 49 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2421 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 50 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2422 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 51 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2422 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 52 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2423 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 53 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-2423 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 54 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4810 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 55 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4810 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 56 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4811 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 57 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4811 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 58 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4809 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 59 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4809 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 60 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4812 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 61 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4812 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 62 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4813 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 63 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4813 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 64 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4821 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 65 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4821 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 66 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4822 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 67 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4822 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...
  • Page 68 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4823 Efficiency versus Output Current Typical Output Ripple and Noise. , Full Load in nom Efficiency versus Input Voltage. Full Load Transient Response to Dynamic Load Change from 100% to 75% to 100% of Full Load ;...
  • Page 69 Application Note 3W, Single and Dual Output Characteristic Curves All test conditions are at 25°C. The figures are identical for TMR 3-4823 (Continued) Conduction Emission of EN55022 Class A Using ON/OFF Voltage Start-Up and V Rise Characteristic , Full Load , Full Load in nom in nom...

  • Page 70: Test Configurations P70

    Application Note 3W, Single and Dual Output Test Configurations Input reflected-ripple current measurement test up Component Value Voltage Reference 12μH ---- ---- 1μF 100V 1210 MLCC Peak-to-peak output ripple & noise measurement test up Output voltage and efficiency measurement test up Note: All measurements have to be taken at the module terminals.

  • Page 71: Emc Considerations

    Application Note 3W, Single and Dual Output EMC considerations ＋ INPUT +Vin +Vout LOAD - Vin － INPUT - Vout DC/DC Converter Suggested Schematic to comply with EN55022 Class A Conducted Noise recommended Layout with Input Filter Following components are needed to comply with EN55022 Class A conducted noise: TMR 3-05xx Component Value...
  • Page 72 Application Note 3W, Single and Dual Output EMC considerations (Continued) ＋ INPUT +Vin +Vout LOAD - Vin － INPUT - Vout DC/DC Converter Suggested Schematic to comply with EN55022 Class B Conducted Noise recommended Layout with Input Filter Following components are needed to comply with EN55022 Class B conducted noise: TMR 3-05xx Component Value...
  • Page 73 Application Note 3W, Single and Dual Output Input Source Impedance The power module should be connected to a low impedance input source. Highly inductive source impedance can affect the stability of the power module. Input external L-C filter is recommended to minimize input reflected ripple current. The capacitor should be equipped as close as possible to the input terminals of the TMR 3 converter for lower impedance.

  • Page 74: Mechanical Data P74

    Application Note 3W, Single and Dual Output Mechanical Data 0.86(21.80) FRONT VIEW 0.10(2.54) 0.70(17.78) Pin Connection Single Output Dual Output BOTTOM VIEW - Vin (GND) - Vin (GND) +Vin (Vcc) +Vin (Vcc) CTRL CTRL 0.08(2.01)±0.5 0.02(0.50)±0.05 +Vout +Vout -Vout All Dimensions in INCHES (mm) Tolerance: X.XX ±0.02 (X.X ±0.5mm) -Vout X.XXX ±0.01 (X.XX ±0.25mm)

  • Page 75: Soldering And Reflow Consideration P75

    Application Note 3W, Single and Dual Output Soldering and Reflow Considerations Lead free wave solder profile for TMR 3 DIP type Zone Reference Parameter Preheat zone Rise temp. speed : 3°C/ sec max. Preheat temp. : 100~130°C Actual heating Peak temp. : 250~260°C Peak time (T1+T2 time) : 4~6 sec Reference Solder : Sn-Ag-Cu ;...
  • Page 76 Application Note 3W, Single and Dual Output Part Number Structure TMR 3 – 4811 Max. Output Power 3 Watt Output Voltage : 3.3Vdc Input Voltage Range : 5Vdc 05 : 4.5 ~ 9V : 9Vdc 12 : 9 ~ 18V : 12Vdc 24 : 18 ~ 36V : 15Vdc...
  • Page 77 Refer to the fuse manufacturer’s data for further information. MTBF and Reliability The MTBF of TMR 3 series DC/DC converters has been calculated according to Bellcore TR-NWT-000332 Case I: 50% stress, operating temperature at 40°C (Ground fixed and controlled environment ). The resulting figure for MTBF is: 4.386×10...

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