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ML4892CS, ML4894, ML4894ES

Table of contents:
Info of ML4892CS
Info of ML4894
Info of ML4894ES

ML4892CS, ML4894, ML4894ES Selling Leads, Datasheet

MFG:MICROLINEAR Package Cooled:SOP D/C:09+

ML4892CS, ML4894, ML4894ES Datasheet download

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Part Number: ML4892CS

MFG: MICROLINEAR

Package Cooled: SOP

D/C: 09+

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ML4894 General Description

The ML4894 synchronous buck controller has been designed to provide high efficiency DC/DC conversion for portable products. The ML4894 can deliver a fixed 5V output from input voltages of 5.9V to 15V.

The ML4894 drives external P- and N-channel MOSFETs in a synchronous buck topology, allowing an overall conversion efficiency of greater than 90% over an output current range exceeding three decades, with an output current capability of up to 5A.

The regulator can be disabled via the SHDN pin. While disabled, the output of the regulator is completely isolated from the circuit's input supply, and the supply current is reduced to less than 5µA to help extend battery life.

ML4894 Maximum Ratings

V_IN ................................................................................ 16.5V
Peak Driver Output Current...............................................±2A
V_FB Voltage ...................................................GND - 0.3V to 6V
I_SENSE Voltage ............................................................+500mV
All Other Inputs .............................. GND - 0.3V to VIN + 0.3V
SHDN Input Current .................................................... 100mA
Junction Temperature................................................... 150°C
Storage Temperature Range .........................65°C to 150°C
Lead Temperature (Soldering, 10 sec) ........................ 150°C
Thermal Resistance (_JA) .........................................160°C/W

ML4894 Features

Regulation to ±3% maximum
Fixed 5V output synchronous buck
Wide input voltage range (5.9V to 15V)
Power conversion efficiencies of >90% over 3 decades of output current
Integrated antishoot-through logic
Shutdown control provides load isolation and minimum sleep mode power consumption
Low shutdown current

ML4894 Connection Diagram

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