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SC603

Part Number	SC603
Manufacturer	Semtech
Description	CHARGE PUMP REGULATOR WITH SELECTABLE 5.0V/4.5V OUTPUT
Published	Apr 18, 2010
Detailed Description	CHARGE PUMP REGULATOR WITH www.DataSheet4U.com SELECTABLE 5.0V/4.5V OUTPUT POWER MANAGEMENT Description The SC603 is a v...
Datasheet	SC603 PDF File

Overview

CHARGE PUMP REGULATOR WITH www.
DataSheet4U.
com SELECTABLE 5.
0V/4.
5V OUTPUT POWER MANAGEMENT Description The SC603 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.
Only two tiny ceramic bucket capacitors are required, and the inductorless implementation provides a reduced-EMI solution.
Low noise mode switching circuitry and constant output current allow the use of extremely small input and output capacitors.
The SC603 charge pump regulator can be used for applications that require up to 200mA of output current with a 4.
5V output.
The 5.
0V output version provides up to 160mA of output current.
Compared to a switch mode regulator, the SC603 offers a solution with less cost, area, noise and complexity.
SC603 Features Small size - MLP Micro 10 lead 3x3mm package Selectable 5.
0V or 4.
5V output voltage 200mA available with 4.
5V output 160mA available with 5.
0V output Short circuit protection Soft Start function Shutdown current <2µA Selectable fixed frequencies of 262kHz & 650kHz Low ripple Regulated to +/-5% Ease of use Cellular phones LED photo flash for cellular phones LED backlighting PDA power supplies Portable electronics Electronic books Wireless web appliances Applications Typical Application Circuit U1 3 Cin 1.
0uF 1 4.
5V or 5.
0V 2 9 Cbucket1 1.
0uF Cout 1.
0uF UP TO 10 LEDS 10 Cbucket2 1.
0uF 2.
7V to 6.
5V VIN VOUT CF1+ 6 EN SC603 CF1- 4 FSEL CF2+ 5 VSEL GND 8 CF2- 7 November 2, 2004 1 www.
semtech.
com SC603 POWER MANAGEMENT Absolute Maximum Ratings Parameter Supply Voltage Output Voltage VOUT Shor t Circuit Duration Thermal Resistance, Junction To Ambient (JESD51 Standard Method) Operating Ambient Junction Temperature Range Storage Temperature Range Peak IR Reflow Temperature SC603IMLTR Peak IR Reflow Temperature SC603IMLTRT Symbol V IN VOUT SC θJ A TA T JC TSTG T LE A D T LE A D Maximum -0.
3 to +7.
0 -0.
3 ...

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