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5.5V-100V Vin, 4A Peak Current Limit, High Efficiency Asynchronous Stepdown DCDC Converter, Replace LM34927.
FEATURES

? Wide Input Range: 5.5V-100V

? Maximum Output Voltage: 30V

? 2A Continuous Output Current

? 4A Peak Current Limit

? Integrated 500mΩ High-Side Power MOSFETs

? 140uA Quiescent Current

? 1.2V ±2% Feedback Reference Voltage

? 4ms Internal Soft-start Time

? Fixed Switching Frequency at 300KHz

? COT Control Mode with Integrated Loop Compensation

? Precision Enable Threshold for Programmable Input 

  Voltage Under-voltage Lock Out Protection (UVLO) 

  Threshold and Hysteresis

? Cycle-by-Cycle Current Limiting

? Over-Voltage Protection

? Over-Temperature Protection



PIN CONFIGUTION
優勢替代
LM34927 LM34927.pdf

No.13346

FEATURES

? Wide 7.5-V to 100-V Input Range

? Integrated 600-mA High-Side

  and Low-Side Switches

? No Schottky Required

? Constant On-Time Control

? No Loop Compensation Required

? Ultra-Fast Transient Response

? Nearly Constant Operating Frequency

? Intelligent Peak Current Limit

? Adjustable Output Voltage From 1.225 V

? Precision 2% Feedback Reference

? Frequency Adjustable to 1 MHz

? Adjustable Undervoltage Lockout (UVLO)

? Remote Shutdown

? Thermal Shutdown

? Packages:

  8-pin WSON

  8-pin SO PowerPAD?

PIN CONFIGUTION
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