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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 consumptio...

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SeekIC No. : 004422128 Detail

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 anti...

ML4894 Data Sheet

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Part Number:
ML4894
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



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


Pinout

Connection Diagram


Specifications

VIN ................................................................................ 16.5V
Peak Driver Output Current...............................................±2A
VFB Voltage ...................................................GND - 0.3V to 6V
ISENSE 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


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 ML4894 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.




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