TDK-Lambda LS Series User Manual
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TDK-Lambda LS Series User Manual

Ls series compact ac/dc switching power supply
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LS Series
Compact AC/DC Switching Power Supply

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Summary of Contents for TDK-Lambda LS Series

  • Page 1 LS Series Compact AC/DC Switching Power Supply...
  • Page 2 A Power Supply that Protect Your Equipments LS series are not only designed to meet the harmonic current standard (IEC61000-3-2,-3), but also to pass this standard with enough margin so that equipments will be well protected against overheating and malfunction. In addition to conformance to the international standards, LS series have less than 1mA leakage current and ability to withstand 300VAC surge for 5 seconds for better safety and protection.

  • Page 3: Product Lineup

    SERIES Single Output 25W to 150W Features Model naming method LS 25 − 5 • Compact Size • Economical and Environmental Friendly • Wide Operating Temperatures up to 70°C Rated Output Voltage • Low and High Voltage Full Line Up Output Power Type Series Name Applications...
  • Page 4 LS25 Specifications MODEL LS25-3.3 LS25-5 LS25-12 LS25-15 LS25-24 LS25-36 LS25-48 ITEMS/UNITS Voltage Range (*2) AC88 to 264 or 125 to DC373 (Withstand AC300 Surge for 5 seconds) Frequency (*2) Hz 47-63 Efficiency(230VAC)(typ) (*1) % Input Current(115/230VAC)(typ) (*1) 0.7 / 0.4 Inrush Current(typ) (*3) 30A at 230VAC, Ta=25°C (Cold Start)
  • Page 5 LS25 Outline Drawing AC(L) AC(N) (FG) (SEE NOTE B) VOLTAGE ADJUSTMENT 5-M3 55±0.3 10.5 (10.6) (12.1) 79±1.0 14 max. 66.5±0.3 NAME PLATE SEE NOTE B SEE NOTE A NOTES A. MODEL NAME, INPUT VOLTAGE RANGE, NOMINAL OUTPUT VOLTAGE, MAXIMUM OUTPUT CURRENT & COUNTRY OF MANUFACTURE ARE SHOWN IN ACCORDANCE WITH THE SPECIFICATION.
  • Page 6 LS35 Specifications MODEL LS35-3.3 LS35-5 LS35-12 LS35-15 LS35-24 LS35-36 LS35-48 ITEMS/UNITS Voltage Range (*2) AC88 to 264 or 125 to DC373 (Withstand AC300 Surge for 5 seconds) Frequency (*2) Hz 47-63 Efficiency(230VAC)(typ) (*1) % Input Current(115/230VAC)(typ) (*1) 0.8 / 0.55 Inrush Current(typ) (*3) 40A at 230VAC, Ta=25°C (Cold Start)
  • Page 7 LS35 Outline Drawing 8.25 AC(L) AC(N) (FG) Ø3.5 SEE NOTE B VOLTAGE ADJUSTMENT 5-M3.5 Ø3.5 (20.5) 55±0.3 88.5±0.3 99±1 87±0.3 (18) 74±0.3 Ø3.5 Ø3.5 SEE NOTE B NAME PLATE SEE NOTE A NOTES A. MODEL NAME, INPUT VOLTAGE RANGE, NOMINAL OUTPUT VOLTAGE, MAXIMUM OUTPUT CURRENT & COUNTRY OF MANUFACTURE ARE SHOWN IN ACCORDANCE WITH THE SPECIFICATION.
  • Page 8 LS50 Specifications MODEL LS50-3.3 LS50-5 LS50-12 LS50-15 LS50-24 LS50-36 LS50-48 ITEMS/UNITS Voltage Range (*2) AC88-264 or DC125-373 (Withstand AC300 Surge for 5 seconds) Frequency 47-63 Efficiency (230VAC)(Typ) (*1) Input Current (115/230VAC)(Typ) (*1) 1.3 / 0.8 Inrush Current (Typ) (*3) 40A at 230VAC, Ta=25°C (Cold Start) Leakage Current (*10) <...
  • Page 9 LS50 Outline Drawing AC(L) AC(N) (FG) SEE NOTE B VOLTAGE ADJUSTMENT 5-M3.5 Ø3.5 (20.5) 55.0±0.3 (4.5) 89±0.3 99±1 (6.5) 87±0.3 (18) 74±0.3 Ø3.5 Ø3.5 NAME PLATE SEE NOTE B NOTES SEE NOTE A A. MODEL NAME, INPUT VOLTAGE RANGE, NOMINAL OUTPUT VOLTAGE, MAXIMUM OUTPUT CURRENT & COUNTRY OF MANUFACTURE ARE SHOWN IN ACCORDANCE WITH THE SPECIFICATION.
  • Page 10 LS75 Specifications MODEL LS75-3.3 LS75-5 LS75-12 LS75-15 LS75-24 LS75-36 LS75-48 ITEMS/UNITS Voltage Range (*2) AC88-264 or DC125-373 (Withstand AC300 Surge for 5 seconds) Frequency 47-63 Efficiency (230VAC)(Typ) (*1) Input Current (115/230VAC)(Typ) (*1) 1.6 / 1.0 Inrush Current (Typ) (*3) 40A at 230VAC, Ta=25°C (Cold Start) Leakage Current (*10) <...
  • Page 11 LS75 Outline Drawing 127±0.3 AC(L) SEE NOTE B AC(N) (FG) VOLTAGE ADJUSTMENT 5-M3.5 Ø3.5 (4.5) 73.5±0.3 129±1 (6.5) 120±0.3 (32) 77±0.3 Ø3.5 Ø3.5 NAME PLATE SEE NOTE B SEE NOTE A NOTES A. MODEL NAME, INPUT VOLTAGE R ANGE, NOMINAL OUTPUT VOLTAGE, MA XIMUM OUTPUT CURRENT & COUNTRY OF MANUFACTURE ARE SHOWN IN ACCORDANCE WITH THE SPECIFICATION.
  • Page 12 LS100 Specifications MODEL LS100-3.3 LS100-5 LS100-12 LS100-15 LS100-24 LS100-36 LS100-48 ITEMS/UNITS Voltage Range (*2)(*13) AC88 - 264 or DC125 - 373 (Withstand AC300 Surge for 5 seconds) Frequency (*2) 47 - 63 Efficiency(230VAC)(typ) (*1) Input Current(115/230VAC)(typ) (*1) 2.2 / 1.2 Inrush Current(typ) (*3) 60A at 230VAC, Ta=25°C (Cold Start)
  • Page 13 LS100 Outline Drawing 157±0.3 AC(L) AC(N) (FG) SEE NOTE B VOLTAGE ADJUSTMENT 7-M3.5 Ø3.5 (4.5) (24) 78±0.3 159±1 (6.5) 150±0.3 (22) 117±0.3 Ø3.5 Ø3.5 NAME PLATE SEE NOTE B SEE NOTE A NOTES A. MODEL NAME NOMINAL OUTPUT VOLTAGE AND MAXIMUM OUTPUT CURRENT ARE SHOWN IN THE NAME PLATE IN ACCORDANCE WITH THE SPECIFICATION.
  • Page 14 LS150 Specifications MODEL LS150-3.3 LS150-5 LS150-12 LS150-15 LS150-24 LS150-36 LS150-48 ITEMS/UNITS AC88 - 132 / AC176 - 264 Input Selectable or DC248 - 373 Voltage Range (*2) (Withstand AC300 Surge for 5 seconds) Frequency (*2) 47-63 Input Efficiency(230VAC)(typ) (*1) Current(115/230VAC)(typ) (*1) 3.5 / 2.0 Inrush Current(typ) (*3)
  • Page 15 LS150 Outline Drawing 87.4 SEE NOTE C 197±0.3 Ø3.5 AC(L) AC(N) (FG) VOLTAGE SEE NOTE B ADJUSTMENT 7-M3.5 (4.5) 120±0.3 57.5±0.3 199±1 (6.5) 190±0.3 (22) 157±0.3 Ø3.5 Ø3.5 NOTE B NAMEPLATE SEE NOTE A NOTES A. MODEL NAME NOMINAL OUTPUT VOLTAGE AND MAXIMUM OUTPUT CURRENT ARE SHOWN IN THE NAME PLATE IN ACCORDANCE WITH THE SPECIFICATION.
  • Page 16 Series LS25 Block Diagram Fuse Inrush Flyback Rectifier & INPUT Line Smoothing Smoothing Current Switching Smoothing Rectifier Filter Filter Filter Limiting Circuit Filter 264Vac Bias Voltage Output Sensing Control Primary OCP Circuit LS35, LS50, LS75 Block Diagram Fuse Inrush Flyback Rectifier &...

  • Page 17: Sequence Time Chart

    Series LS150 Block Diagram Fuse Inrush Forward Rectifier & INPUT Line Harmonic Smoothing Current Switching Smoothing Selector 88-132Vac Rectifier Filter Filter Choke Limiting Circuit Filter 176-264Vac Switch Bias Voltage Output Sensing Control Primary OCP Circuit Sensing Sequence Time Chart Input Voltage OVP Point OCP Point 115%-135%...
  • Page 18 Stick the WARNING label for users on the system equipment and CE MARKING notify in the system instruction manual. CE marking, when applied to the LS series products, indicates compliance with the Low Voltage Directive (2006/95/EC) in that it complies with EN60950-1.

  • Page 19: Inrush Current

    100 - 240VAC (50/60Hz).  Over Current Protection (OCP) Note : LS series able to withstand Input Surge of 300VAC for 5 seconds. OCP function operates when the output current exceeds OCP specifications. The output will automatically recover when the LS150 –...

  • Page 20: Series Operation

    Series  Series Operation  Parallel Operation For series operation, either method ( A ) or ( B ) is possible. (A) Operation to increase the Output Current is not possible. (B) Operation as a Backup Power Supply is possible as follows. Method (A) 1.

  • Page 21: Mounting Directions

    Series (a) Input - FG (chassis) : solid line 1.5kVAC, 1min (20mA) (c) Output - FG (chassis) : 500VAC, 1min (100mA) (b) Input - Output : dotted line 3kVAC, 1min ( 20mA ) AC(L) AC(N) AC(L) AC(N) Withstand Voltage Withstand Tester Voltage Tester...
  • Page 22 Series LS75-3.3, -5 LS150 -12, -15, -24, -36 & -48 Output Derating Vs Ambient Temperature Output Derating Vs Ambient Temperature Load (%) Load (%) Mounting Mounting A A, B & D Mounting Mounting C B , C & D Ambient Temperature (ºC) Ambient Temperature (ºC) LS75-12, -15, -24, -36 &...

  • Page 23: Wiring Method

    • For safety and EMI considerations, connect the FG terminal twisted to improve noise immunity. of LS series to mounting set ground terminal. • Both wires must be as thick and short as possible to make • The recommended wire type : lower impedance.

This manual is also suitable for:

Ls25-3.3Ls25-5Ls25-12Ls25-15Ls25-24Ls25-36 ... Show all

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