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LM317G-TQ3-R 数据表(PDF) 4 Page - Unisonic Technologies

部件名 LM317G-TQ3-R
功能描述  HIGH CURRENT 1.3V TO 37V ADJUSTABLE VOLTAGE REGULATOR
PDF  5 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

LM317G-TQ3-R 数据表(HTML) 4 Page - Unisonic Technologies

  LM317G-TQ3-R Datasheet HTML 1Page - Unisonic Technologies LM317G-TQ3-R Datasheet HTML 2Page - Unisonic Technologies LM317G-TQ3-R Datasheet HTML 3Page - Unisonic Technologies LM317G-TQ3-R Datasheet HTML 4Page - Unisonic Technologies LM317G-TQ3-R Datasheet HTML 5Page - Unisonic Technologies  
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LM317
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 5
www.unisonic.com.tw
QW-R101-009.V
APPLICATION CIRCUITS
1
2
3
VOUT
R1
R2
VIN
C1
0.1 F
Co
1 F
I
ADJ
1
2
3
VOUT
VIN
D1 1N4002
720
120
1k
1 F
TTL Level
signal
UTC
LM317
UTC LM317
Fig.1 Programmable voltage regulator
Fig.2 Regulator with On-off control
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.
UTC LM317
1
2
3
1
2
3
VOUT
VIN
VADJ
R2
240
50k
D1
1N4001
10 F
IOUT
IADJ
R1
R2
VOUT
VIN
R1
1.25V
R1
IO(MIN)=(
VREF
R1+R2
)+IADJ=
1.25V
R1+R2
Fig.3 Soft Start Application
Fig.4 Constant Current Application
UTC LM317
)+IADJ=
VREF
IO(MAX)=(
0.1μF



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