BUY MAX1737EEI https://www.utsource.net/itm/p/900229.html
Stand-Alone Switch-Mode Lithium-Ion Battery-Charger Controller
Description: The MAX1737 is a low-cost, high-efficiency, step-up DC-DC converter with an internal power switch.
Features:
Low-Cost, High-Efficiency Step-Up DC-DC Converter
Internal Power Switch
Low Quiescent Current: 8μA
Low Shutdown Current: 0.1μA
Adjustable Output Voltage up to 16V
Output Current up to 200mA
Fixed Frequency Operation: 500kHz
Internal Soft-Start
Thermal Shutdown Protection
Available in 8-Pin SO, 8-Pin μMAX, and 28-Pin SSOP Packages
Applications:
Battery-Powered Systems
Portable Instruments
Cellular Telephones
Handheld Computers
Pagers
Digital Cameras
(For reference only)