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Description

The SC600 is a versatile charge pump designed for use in battery operated power supply applications. The wide input range is matched for Li-Ion battery applications. mAhxLifeTM LED Drivers feature a fractional charge pump implementation with efficiency comparable to a switching regulator without costly inductors. Only two tiny ceramic capacitors are required, and the inductorless implementation provides a reduced-EMI solution. Patented low noise mode switching circuitry and constant output current allow the use of extremely small input and output capacitors.

Features

◆ Small size - MLPD 10 lead 3x3mm or MSOP-10 package allows for a complete solution in .05 sq.in.

◆ Peak efficiency over 90 (extends battery life)

◆ Four component versions available

◆ 60mA versions available in 5.0V and 4.5V output

◆ 120mA versions available in 4.5V and 4.0V outpu

◆ Short-circuit and over-temperature protection

◆ Soft-start function

◆ Shutdown current <1μA

◆ Selectable fixed frequencies of 8kHz, 32kHz, 262kHz and 650kHz

◆ Low input and output ripple

◆ Regulated to ± 5

◆ Ease of use

Applications

◆ Cellular phones

◆ LED backlighting

◆ PDA power supplies

◆ Portable electronics

◆ Electronic books

◆ Handheld computers

◆ Wireless web appliances