4.5V 100V Vin, 1A, Constant On Time Synchronous BUCK Converter, SCT2A21 Replace LM5017.
FEATURES

• Wide Input Range: 4.5V-100V

• 1A Continuous Output Current

• Integrated 530mΩ High-Side and 220mΩ Low-

  Side Power MOSFETs

• 150uA Quiescent Current

• 1.2V ±1% Feedback Reference Voltage at Room

  Temperature

• 4.3ms Internal Soft-start Time

• Programmable Switching Frequency Range

  100KHz ~ 600KHz

• COT Control Mode

• PFM operation mode at light load

• Precision Enable Threshold for Programmable

  Input UVLO Threshold and Hysteresis

• Cycle-by-Cycle Current Limiting

• Over-Voltage Protection

• Over-Temperature Protection

• Available in an ESOP-8 Package

PIN CONFIGUTION
优势替代
LM5017 LM5017.pdf

No.13238

FEATURES

• Wide 9V to 100V Input Range

• Integrated 100V, High 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 1.225V

• Precision 2% Feedback Reference

• Frequency Adjustable to 1MHz

• Adjustable Undervoltage Lockout (UVLO)

• Remote Shutdown

• Thermal Shutdown





PIN CONFIGUTION
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