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BUY MAX1555EZK+T https://www.utsource.net/itm/p/11665484.html
IC BATT CHRGR LI+ 1-CELL SOT23-5
Description: Dual-Input, High-Voltage, Step-Up DC-DC Converter Features: Dual Inputs: VIN1 and VIN2 Operating Voltage Range: 2.7V to 22V Output Voltage Range: 2.7V to 22V Output Current: up to 1.5A Switching Frequency: 1.2MHz Low Quiescent Current: 10μA Low Shutdown Current: <1μA Over-Temperature Protection Short-Circuit Protection Thermal Shutdown Soft-Start External Synchronization Over-Voltage Protection Under-Voltage Lockout Low Profile (1.2mm) SOT23-5 Package Applications: Automotive Industrial Portable Electronics Battery-Powered Systems LED Lighting (For reference only)