DC1866A: 2.5V @ 5A, 6 ~ 36V in, Inductor On-Chip

Summary

Demonstration circuit 1866 is a 36V, 5A, 2-quadrant CVCC step-down μModule® regulator featuring the LTM®8052. The demo circuit is designed for a 2.5V output from an input voltage range of 6V to 36V. The output can source 5A or sink 5A. The circuit can be operated in either constant voltage mode or constant current mode.

The LTM8052 data sheet gives a complete description of the part, operation and application information. The datasheet must be read in conjunction with this demo manual for demo circuit 1866.

Specifications

Manufacturer Analog Devices Inc.
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number 505-DC1866A-ND
Eval Board Supplier Analog Devices Inc.
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 2.5 V
Current Out 5 A
Voltage In 6 ~ 36 V
Efficiency @ Conditions >85%, 6V in, 2.5V @ 0.3 ~ 4.6 A
>83%, 12V in, 2.5V @ 0.6 ~ 5 A
>82%, 24V in, 2.5V @ 1.5 ~ 5 A
Voltage Out Range 1.2 ~ 24 V
Features Current Limit (Adj. or Fixed)
Internal Inductor
Shutdown, Enable, Standby
Soft Start
Super-Capacitor Balancing
Synchronizable
Thermal Protection
Under Voltage Protection, Brown-Out
Voltage Reference
Switching Frequency 450 kHz
Standby Current [Typical] 100 nA
Quiescent Current [Typical] 17 mA
Component Count + Extras 14 + 17
Internal Switch Yes
Design Author Linear Technology
Application / Target Market Battery Chargers
Motor Control
Point of Load (PoL)
Standby Current [Maximum] 3 µA
Quiescent Current [Maximum] 30 mA
Main I.C. Base Part LTM8052
Date Created By Author
Date Added To Library 2012-03

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Support Documents & Media

DC1866A - User Guide LTM8052 - Datasheet

Media

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