ADM00770: 5V @ 5A, 7 ~ 75V in, Buck

Summary

The MIC2128 Evaluation Board is a constant-frequency, synchronous buck controller featuring a unique adaptive on-time control architecture. The MIC2128 operates over an input supply range of 4.5V to 75V. The output voltage is adjustable down to 0.6V with a guaranteed accuracy of ±1%. The device operates with programmable switching frequency from 270 kHz to 800 kHz.

Specifications

Manufacturer Microchip Technology
Category AC/DC and DC/DC Conversion
Sub-Category DC/DC SMPS - Single Output
Eval Board Part Number ADM00770-ND
Eval Board Supplier Microchip Technology
Eval Board Normally In Stock
Topology Step Down
Outputs and Type 1 Non-Isolated
Voltage Out: Factory Set 5 V
Current Out 5 A
Voltage In 7 ~ 75 V
Efficiency @ Conditions >90%, 36V in, 5V @ 2.5 ~ 5 A
>90%, 24V in, 5V @ 1.25 ~ 5 A
>90%, 12V in, 5V @ 0.04 ~ 5 A
>85%, 60V in, 5V @ 3 ~ 5 A
>85%, 48V in, 5V @ 2 ~ 5 A
>80%, 75V in, 5V @ 2.75 ~ 5 A
Voltage Out Range 0.6 ~ 30 V
Features Current Limit (Adj. or Fixed)
LDO Regulator(s), On-Chip
Power Good Output
Pre-Biased Startup
Short Circuit Protection
Shutdown, Enable, Standby
Soft Start
Thermal Protection
Under Voltage Protection, Brown-Out
Switching Frequency 270 ~ 800 kHz
Standby Current [Typical] 100 nA
Quiescent Current [Typical] 1.4 mA
Component Count + Extras 34 + 18
Internal Switch No
Design Author Microchip Technology
Application / Target Market Networking
Power: Auxiliary Power Supply
Power: Industrial Power
RF: Base Stations
Servers
Telecom
Standby Current [Maximum] 5 µA
Quiescent Current [Maximum] 1.8 mA
Main I.C. Base Part MIC2128
Date Created By Author 2016-09
Date Added To Library 2017-01

Eval Board

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Support Documents & Media

ADM007700 - User Guide MIC2128 - Datasheet

Media

ADM007700 - Schematic - Full ADM007700 - Board 1 - Full ADM007700 - Board 2 - Full ADm007700 - Chart 1 - Full ADM007700 - Chart 2 - Full ADM007700 - Chart 3 - Full