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LM317AL-AA3-R Datasheet(PDF) 5 Page - Unisonic Technologies

Part # LM317AL-AA3-R
Description  MEDIUM CURRENT 1.2V TO 37V ADJUSTABLE VOLTAGE REGULATOR
PDF  6 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

LM317AL-AA3-R Datasheet(HTML) 5 Page - Unisonic Technologies

  LM317AL-AA3-R Datasheet HTML 1Page - Unisonic Technologies LM317AL-AA3-R Datasheet HTML 2Page - Unisonic Technologies LM317AL-AA3-R Datasheet HTML 3Page - Unisonic Technologies LM317AL-AA3-R Datasheet HTML 4Page - Unisonic Technologies LM317AL-AA3-R Datasheet HTML 5Page - Unisonic Technologies LM317AL-AA3-R Datasheet HTML 6Page - Unisonic Technologies  
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LM317A
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
5 of 6
www.unisonic.com.tw
QW-R101-026.K
APPLICATION CIRCUITS
1
2
3
VOUT
R1
R2
VIN
C1
0.1μF
Co
1μF
I
ADJ
UTC LM317A
VOUT=1.25V×(1+R2/R1)+IADJ×R2
C1 is required when regulator is located an
appreciated distance from power supply. Co is
needed to improve transient response.
1
2
3
VOUT
VIN
D1 1N4002
720Ω
120Ω
1kΩ
1μF
TTL Level
signal
UTC
LM317A
Fig.1 Programmable voltage regulator
Fig.2 Regulator with On-off control
Fig.3 Soft Start Application
Fig.4 Constant Current Application



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