TS2950CT-3.0 datasheet(5/6 Pages) TSC

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TS2950CT-3.0 Folha de dados(PDF) 5 Page - Taiwan Semiconductor Company, Ltd

Nome de Peças	TS2950CT-3.0

Descrição Electrónicos	150mA Ultra Low Dropout Positive Voltage Regulator

Download	6 Pages

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Fabricante Electrônico	TSC [Taiwan Semiconductor Company, Ltd]

Página de início	http://www.taiwansemi.com

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5 / 6 page

TS2950-51 series

5-6

2003/12 rev. B

Application Hints (continued)

Programming The output Voltage

The TS2951/A output voltage is programmable for any

value from it reference voltage of 1.235V and it maximum

rating of 30V. For example for 5 volt needs to

pin-strapped and using the internal voltage divider by

tying pin 1 to 2 and pin 7 to pin 6. Refer to Figure 2, there

are two external resistor required for this programming.

Refer to the below equation for the programming the

output voltage:

Volt=Vref x (1+R1\R2)+IFB * R1

The Vref is 1.235V and IFB is the feedback bias current,

nominally -20nA. The minimum recommended load

current of 1uA forces an upper limit of 1.2MΩon value of

R2, If no load presented the IFB produces error of typically

2% in Vout which maybe eliminated at room temperature

by trimming R1. To improve the accuracy chooses the

value of R2=100K and this reduces the error by 0.17%

and increases the resistor program current by 12uA. The

TS2951/A typically draw 60uA at no load with pin 2

open-circuit, and this value does not look much.

Figure 2. Adjust Voltage

Block Diagram and Typical Applications Circuit

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Taiwan Semiconductor Co...	TS2950CT	404Kb / 10P	150mA Ultra Low Dropout Voltage Regulator
	TS2950CT33A3	186Kb / 9P	150mA Ultra Low Dropout Voltage Regulator
	TS2950CT33B0	186Kb / 9P	150mA Ultra Low Dropout Voltage Regulator
	TS2950CT50A3	186Kb / 9P	150mA Ultra Low Dropout Voltage Regulator
	TS2950CT50B0	186Kb / 9P	150mA Ultra Low Dropout Voltage Regulator

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Taiwan Semiconductor Co...	TS2950	404Kb / 10P	150mA Ultra Low Dropout Voltage Regulator
	TS2950	191Kb / 7P	150mA Ultra Low Dropout Voltage Regulator
	TS2951	170Kb / 8P	150mA Ultra Low Dropout Voltage Regulator
	TS2950	186Kb / 9P	150mA Ultra Low Dropout Voltage Regulator
	TS2951	345Kb / 9P	150mA Ultra Low Dropout Voltage Regulator
Advanced Power Electron...	APU8850	234Kb / 6P	150mA ULTRA LOW DROPOUT POSITIVE
Advanced Power Electron...	APU8850	148Kb / 7P	150mA ULTRA LOW DROPOUT POSITIVE
List of Unclassifed Man...	GM6250	142Kb / 12P	ULTRA - LOW DROPOUT POSITIVE VOLTAGE REGULATOR
List of Unclassifed Man...	GM6251	140Kb / 12P	ULTRA - LOW DROPOUT POSITIVE VOLTAGE REGULATOR
Sipex Corporation	SPX1121	157Kb / 6P	150mA Low Dropout Voltage Regulator

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