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BL8503

SHANGHAI BELLING
Part Number BL8503
Manufacturer SHANGHAI BELLING
Description CMOS Low Dropout Voltage Low consumption Regulator
Published Dec 18, 2006
Detailed Description BL8503 250mA CMOS Low Dropout Voltage Low consumption Regulator Features：  Low Power Consumption：3.0uA（Typ.）  Maximum...
Datasheet PDF File BL8503 PDF File

BL8503
BL8503

Overview
BL8503 250mA CMOS Low Dropout Voltage Low consumption Regulator Features：  Low Power Consumption：3.
0uA（Typ.
）  Maximum Output Current： 250mA  Small Dropout Voltage： 170mV@100mA (Vout=3.
0V) 400mV@250mA (Vout=3.
0V)  Input Voltage Range：1.
5V～10V  Output Voltage Range：1.
2V~6.
0V （customized on command in 0.
1V steps）  Highly Accurate：±2%(±1% customized）  Output Current Limit Applications：  Battery Powered equipment  Power Management of MP3、PDA、DSC、 Mouse、PS2 Games  Reference Voltage Source  Regulation after Switching Power BL8503 Typical Application Circuit Outline： BL8503 series is a group of positive voltage output, low power consumption, low dropout voltage, three terminal regulator.
It can provide 250mA output current when input / output voltage differential drops to 400mV（Vin =4.
0V、Vout=3.
0V）。The very low power consumption of BL8503 （Iq=3.
0uA）can greatly improve natural life of batteries.
BL8503 can provide output value in the range of 1.
2V~6.
0V in 0.
1V steps.
It also can customized on command.
BL8503 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module.
BL8503 has well load transient response and good temperature characteristic, which can assure the stability of chip and power system.
And it uses trimming technique to guarantee output voltage accuracy within± 2%.
BL8503 is available in SOT-89-3、SOT23-3,TO-92 packages which is lead free，it also can available in these packages with lead.
BL8503 Typical Performance Characteristic： Output Voltage VS.
Output Cur r e nt(V out=1.
5V ) Output Voltage （V ） Application hints： NOTE1：Input capacitor (Cin=1uF) is recommended in all application circuit.
Tantalum capacitor is recommended.
NOTE2：Output capacitor (Cout=1uF) is recommended in all application to assure the stability of circuit.
Tantalum capacitor is recommended.
1.
6 1.
5 1.
4 1.
3 1.
2 1.
1 1 0 100 200 300 Output Current（mA） http://www.
belling.
com.
cn - 1Total 12 Pages 9/7/2012 BL8503 Selection Guid...


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