SC4501 Datasheet - Semtech Corporation

Description
The SC4501 is a high-frequency current-mode step-up switching regulator with an integrated 2A power transis
tor. Its high switching frequency (programmable up to 2MHz) allows the use of tiny surface-mount external pas
sive components.

FEATUREs
Low saturation voltage switch: 220mV at 2A
Constant switching frequency current-mode control
Programmable switching frequency up to 2MHz
Soft-Start function
Input voltage range from 1.4V to 16V
Output voltage up to 32V
Low shutdown current
Adjustable undervoltage lockout threshold
Small low-profile thermally enhanced packages

APPLICATIONs
Flat screen LCD bias supplies
TFT bias supplies
XDSL power supplies
Medical equipment
Digital video cameras
Portables devices
White LED power supplies