Document
Global Mixed-mode Technology Inc.
2.5A Buck Converter
G5640
Features
4.75V to 20V Supply Voltage Operating Range Fixed 500kHz Switching Frequency Current-Mode Buck PWM Converter Built-in P-Channel Power MOSFET 2.5A Output Current 1.2V Internal Reference Shutdown Control Thermal-Shutdown and Internal Soft Start Cycle-by-Cycle Current-Limit Short Circuit Protection Under-Voltage Lockout Protection SOP-8 Package
Applications
Distributed Power Systems Battery Charger Palmtop Computers, PDAs
DSL Modems
Ordering Information
ORDER NUMBER G5640P11U Note: P1: SOP-8 1: Bonding Code U : Tape & Reel
Pin Configuration
MARKING G5640
General Description
The G5640 is a high efficiency, 2.5A buck converter with a high-side low RDS(ON) switch. It operates from 4.75V to 20V input voltage range, and provides up to 2.5A continuous output current with the output voltage adjustable down to 1.2V. Whenever the load is light, the G5640 automatically change t.