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
CROSS
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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