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