4.5V-40V Vin, 600mA Synchronous Step-down DCDC Converter, SCT2401 Replace MP2457.
FEATURES

• Wide Input Range: 4.5V-40V 

• Up to 600mA Continuous Output Current

• 0.81V ± 2.5% Feedback Reference Voltage

• Integrated 600mΩ High-Side and 300mΩ 

  Low-Side Power MOSFETs

• Fixed Frequency 1.2MHz

• Pulse Skipping Mode (PSM) at Light Load

• 90uA Quiescent Current in Sleep Mode

• 80ns Minimum On-time

• 1ms Internal Soft-start Time 

• Over-Temperature Protection

• Available in an TSOT23-6L Package




PIN CONFIGUTION
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MP2457 MP2457.pdf

No.14451

FEATURES

 Meets 0.1% Output Voltage Ripple 

 Low Dropout Mode 

 65μA Operating Quiescent Current 

 Light-Load Mode 

 >90% Efficiency 

 Dedicated Internal Compensation 

 Stable with Ceramic/Electrolytic Output Capacitors 

 Wide 5V to 36V Operating Input Range 

 400mΩ/200mΩ Internal Power MOSFETs 

 2MHz Fixed Switching Frequency 

 Internal Soft Start (SS) 

 Precision Current Limit without Current Sensing Resistor 

 Output Adjustable from 0.8V to 0.95·VIN

 Guaranteed Industrial Temperature Range Limits 

 Available in a TSOT23-6 Package

PIN CONFIGUTION
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