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PDF UTC317 Data sheet ( Hoja de datos )
| Número de pieza | UTC317 | |
| Descripción | 3-TERMINAL 1.5A POSITIVE ADJUSTABLE VOLTAGEREGULATOR | |
| Fabricantes | YOUWANG ELECTRONICS | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UTC317 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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UTC317/B/TB
LINEAR INTEGRATED CIRCUIT
3-TERMINAL 1.5A POSITIVE
ADJUSTABLE VOLTAGE
REGULATOR
DESCRIPTION
The UTC317/B/TB is an adjustable 3-terminal positive
voltage regulator designed to supply more than 1.5A of
output current with voltage adjustable from 1.3V to
37VDŽ
FEATURES
*Output current up to 1.5A
*Output voltage adjustable from 1.3V to 37V
*Internal short circuit protection
*Internal over temperature protection
* Safe-Area compensation for output transistor
ORDERING INFORMATION
Device
Package
UTC317
TO-220/ TO-220F
UTC317B
TO-252
UTC317TB
TO-263-2L
UTC317Y
SOT-223
1 TO-220
1
TO-252
1
TO-263
1
TO-220F
1
SOT-223
1:ADJ; 2: OUTPUT; 3: INPUT
BLOCK DIAGRAM
INPUT
VREF
VAdj
PROTECTION
CIRCUIT
OUTPUT
YOUWANG ELECTRONICS CO.LTD
1
2011.04.13 V1.4
1 page  
UTC317/B/TB
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION CIRCUITS
D1 1N4002
Vi
C1
0.1µF
3 UTC317/B/TB 2
Iadj 1 R1
R2
Vo
Co
1µF
Vi 3 UTC317/B/TB 2
1 120O
Vo
1µF
720O
1kO
TTL Level
signal
Fig.5 Programmable voltage regulator
Vo=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.
Fig.6 Regulator with On-off control
Vi
3 UTC317/B/TB 2
Vadj
1
240O
R2
Vo
D1
1N4001
50kO
10µF
Fig.7 Soft start application
Vi 3 UTC317/B/TB 2 R1 R2 Io
Vo
1
Iadj
Iomax=(
Vref
R1
)+Iadj=
1.25V
R1
Iomin=(
Vref )+Iadj=
R1+R2
1.25V
R1+R2
5mA<Io<100mA
Fig.8 Constant current application
YOUWANG ELECTRONICS CO.LTD
5
2011.04.13 V1.4
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet UTC317.PDF ] | |
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