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SC600

Part Number	SC600
Manufacturer	Semtech
Description	mAhXLifeTM LED Driver with 5.0V a 4.5V or 4.0V Output
Published	Apr 18, 2010
Detailed Description	mAhXLife LED Driver with 5.0V, 4.5V, www.DataSheet4U.com or 4.0V Output TM SC600 POWER MANAGEMENT Description The SC60...
Datasheet	SC600 PDF File

Overview

mAhXLife LED Driver with 5.
0V, 4.
5V, www.
DataSheet4U.
com or 4.
0V Output TM SC600 POWER MANAGEMENT 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.
The SC600 charge pump can be used for applications that require up to 120mA of output current with a 4.
0V or 4.
5V output.
The 5.
0V output version provides up to 60mA of output current.
mAhXLifeTM LED drivers replace switched mode power supplies and provide comparable efﬁciency with less cost, area, noise, and complexity.
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 output 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 Typical Efﬁciency 100 90% of Li-Ion Battery Life 90 Efficiency [%] 80 SC600A 5.
0V@60mA 70 60 Device with Only 2x Mode 5.
0V@60mA 50 4.
2 4.
0 3.
8 3.
6 3.
4 3.
2 3.
0 Input Voltage [V] Typical Application Circuit U1 2.
7V to 6.
5V Cin 1.
0uF 3 1 4.
0V, 4.
5V or 5.
0V 2 9 Cbucket1 1.
0uF Cout 0.
33uF UP TO 6 LEDS 10 Cbucket2 1...

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