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TS2950ACT датащи(PDF) 5 Page - Taiwan Semiconductor Company, Ltd

номер детали TS2950ACT
подробное описание детали  150mA Ultra Low Dropout Positive Voltage Regulator
PDF  6 Pages
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производитель  TSC [Taiwan Semiconductor Company, Ltd]
домашняя страница  http://www.taiwansemi.com
Logo TSC - Taiwan Semiconductor Company, Ltd

TS2950ACT датащи(HTML) 5 Page - Taiwan Semiconductor Company, Ltd

  TS2950ACT Datasheet HTML 1Page - Taiwan Semiconductor Company, Ltd TS2950ACT Datasheet HTML 2Page - Taiwan Semiconductor Company, Ltd TS2950ACT Datasheet HTML 3Page - Taiwan Semiconductor Company, Ltd TS2950ACT Datasheet HTML 4Page - Taiwan Semiconductor Company, Ltd TS2950ACT Datasheet HTML 5Page - Taiwan Semiconductor Company, Ltd TS2950ACT Datasheet HTML 6Page - Taiwan Semiconductor Company, Ltd  
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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



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