G5180 Global Mixed-mode Technology Inc. Switching Regulator Power Controller Features General Description 2.2V~6V Supply Voltage Operating Range Low Current Consumption: 5mA in Operation, 1µA or Less in Stand-by 20kHz to 1MHz Operation Frequency Range Built-In Soft Start Circuit Built-In Timer-Latch Type Short Circuit Detection and Protection (SCP) Circuit Use External Resistor to Set a Fixed Output Current The G5180 is a single-channel PWM control IC for low voltage DC/DC conversion incorporating a soft start function and short circuit detection function. The device has a low minimum operating voltage of 2.2V and is ideal for the power supply of battery-operated electronic equipment. Applications Ordering Information LCD Displays PDAs Digital Still Cameras ORDER MARKING NUMBER G5180P1U G5180P8U G5180D1U G5180 G5180 G5180 TEMP. RANGE PACKAGE (Pb free) 0°C to 85°C 0°C to 85°C 0°C to 85°C SOP-8 MSOP-8 TSSOP-8 Note: P1: SOP-8 P8: MSOP-8 U: Tape & Reel Pin Configuration D1: TSSOP-8 Typical Application Circuit R1 18kΩ 22µH G5180 VO 5V G5180 IN- 1 SCP 2 8 7 FB OSC INVCC 3V VCC 3 6 GND 33µF R2 4 BR/CTL 5 2kΩ 0.1µF OUT ON OFF CTL SOP-8 / MSOP-8 / TSSOP-8 VO=0.5 x (1+ FB SCP OSC VCC GND 10µF BR/CTL OUT 390Ω 270pF 0.1µF 3kΩ R1 ) R2 TEL: 886-3-5788833 http://www.gmt.com.tw Ver: 0.7 Nov 12, 2008 1