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Linear Technology DC1696 Demo Manual
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Linear Technology DC1696 Demo Manual

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36V, 5A, CVCC Step-Down µModule Regulator
DESCRIPTION
Demonstration circuit 1696 is a 36V, 5A, CVCC step-down
μModule regulator featuring the LTM8026. The demo
circuit is designed for a 3.3V output from an input volt-
age range of 6V to 36V. The output can source 5A. The
circuit can be operated in either constant voltage mode
or constant current mode.
PERFORMANCE SUMMARY
PARAMETER
Input Supply Voltage Range
Output Voltage
Switching Frequency
Maximum Output Current
Efficiency
BOARD PHOTO
(T
= 25°C)
A
CONDITIONS
I
= 5A
OUT
V
= 12V, I
= 5A
IN
OUT
DEMO MANUAL DC1696
The LTM8026 data sheet gives a complete description of
the part, operation and application information. The data
sheet must be read in conjunction with this quick start
guide prior to working on or modifying demo circuit 1696.
Design files for this circuit board are available at
http://www.linear.com/demo
L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of
Linear Technology Corporation. All other trademarks are the property of their respective owners.
LTM8026
MIN
TYP
MAX
6
36
3.135
3.3
3.465
550
5
86
UNITS
V
V
kHz
A
%
dc1696f
1

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Summary of Contents for Linear Technology DC1696

  • Page 1 Design files for this circuit board are available at or constant current mode. http://www.linear.com/demo L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. PERFORMANCE SUMMARY = 25°C)

  • Page 2: Quick Start Procedure

    DEMO MANUAL DC1696 QUICK START PROCEDURE Demonstration circuit 1696 is an easy way to evaluate 2. Connect a load to V and GND. the performance of the LTM8026. Refer to Figure 1 for 3. Turn on the power at the input.
  • Page 3 DEMO MANUAL DC1696 QUICK START PROCEDURE –20 –40 –60 –80 –100 –120 1 1.5 2 3 3.5 4 4.5 5 FREQUENCY (MHZ) 1696 F01 Figure 2. DC1696A Output Noise Spectrum. (V = 12V, V = 3.3V, I = 5A) dc1696f...
  • Page 4 DEMO MANUAL DC1696 PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components CIN1 Cap., Ceramic 10μF , 50V, 10%, 1210 Murata GRM32ER71H106K CIN2 Cap., Alum 22μF , 50V, 10%, OSCON-CE-6.3 SUNCON 50CE22BSS COUT1 Cap., X5R 100μF , 6.3V, 20%, 1210...

  • Page 5: Schematic Diagram

    Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
  • Page 6 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.