• Wide Input Range: 4.5V-100V
• 1.8A peak current limit
• Integrated 530mΩ High-Side and 220mΩ Low-
Side Power MOSFETs
• 15uA Quiescent Current with VCC diode
160uA Quiescent Current without VCC diode
• Selectable PFM, USM and FPWM Operation
Modes
• 1.2V ±1% Feedback Reference Voltage at Room
Temperature
• 4.3ms Internal Soft-start Time
• Fixed Switching Frequency at 300KHz
• COT Control Mode
• FPWM mode support Iso-buck Topology
• Precision Enable Threshold for Programmable
Input Voltage Under-Voltage Lock Out Protection
(UVLO) Threshold and Hysteresis
• Cycle-by-Cycle Current Limit
• Over-Voltage Protection
• Over-Temperature Protection
• Available in an ESOP-8 Package
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• 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™
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