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DC053A-A: 12V @ 250mA, 2.7 ~ 11V in, Boost

Summary

Demonstration board DC053A is a complete DC/DC step-up switching regulator using the LT®1372 or the LT1377 constant frequency, high efficiency converter in an 8-pin SOIC package. High frequency switching allows the use of very small inductors, making this all surface mount solution ideal for space conscious systems.

This DC053A demonstration board is intended for evaluating the LT1372/LT1377 switching regulator in a typical step-up application. Solid turret terminals are provided for easy connection to test equipment. A device pinout and board schematic are shown in Figure 1.

Please refer to the LT1372/LT1377 data sheet for additional specifications and applications information. Also useful is Linear Technology’s SwitcherCAD software when creating your own designs.

Specifications

Manufacturer Linear Technology/Analog Devices
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number DC053A-A-ND
Eval Board Supplier Linear Technology/Analog Devices
Eval Board Normally In Stock
Topology Step Up
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 12 V
Current Out 250 mA
Voltage In 2.7 ~ 11 V
Efficiency @ Conditions >85%, 5V in, 12V @ 0.035 ~ 0.38 mA
Voltage Out Range 11.6 ~ 12.5 V
Features Current Limit (Adj. or Fixed)
Shutdown, Enable, Standby
Soft Start
Synchronizable
Under Voltage Protection, Brown-Out
Switching Frequency 500 kHz
Standby Current [Typical] 12 µA
Quiescent Current [Typical] 4 mA
Component Count + Extras 11 + 5
Internal Switch Yes
Design Author Linear Technology
Application / Target Market Auxiliary Power Supply
Portable Devices
Tablets
Standby Current [Maximum] 30 µA
Quiescent Current [Maximum] 5.5 mA
Main I.C. Base Part LT1372
Date Created By Author 2010-01
Date Added To Library 2015-07

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