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PDF PJ317 Data sheet ( Hoja de datos )
| Número de pieza | PJ317 | |
| Descripción | 3-Terminal Adjustable Output Positive Voltage Regulator | |
| Fabricantes | PJ | |
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PJ317
3-Terminal Adjustable Output Positive Voltage Regulator
T he PJ317 is adjustable 3-terminal positive voltage
regulator capable of supplying in excess of 1.5 A
over an output voltage range of 1.25 V to 37 V. This voltage
regulator is exceptionally easy to use and require only two
external resistors to set the output voltage. Further, it
employs internal current limiting, thermal shutdown and
safe area compensation, making it essentially blow-out
proof.
F•EAOTUutpRuEt SCurrent in Excess of 1.5 Ampere
• Output Adjustable between 1.25 V and 37 V
• Internal Thermal Overload Protection
• Internal Short-Circuit Current Limiting
Constant with Temperature
• Output Transistor Safe-Area Compensation
• Floating Operation for High Voltage Applications
• Standard 3-lead Transistor Packages
• Eliminates Stocking Many Fixed Voltages
ORDERING INFORMATION
Device
Operating
Temperature
PJ317CZ
PJ317CM
PJ317CT
PJ317CP
PJ317CW
PJ317CS
-20℃ to 85℃
CIRCUIT SCHEMATIC
Package
TO-220
TO-263
TO-92
TO-252
SOT-223
SOP-8
Design
Load
Current
1.5A
1.5A
0.1A
0.5A
1A
0.3A
TO-220
TO-220 / TO-263 / TO-
92/ TO-252 / SOT-223
Pin 1. Adjust
2. Vout
3. Vin
Heatsink surface
connected to Pin2
TO-263
TO-92
TO-252
SOT-223
SOP-8
Pin 1. Vin
2. Vout
3. Vout
4. Adjust
5. Nc
6. Vout
7. Vout
8. Nc
STANDARD APPLICATION
* = Cin is required if regulator is located an appreciable distance from power supply filter.
** = Co is not needed for stability, however it does improve transient response.
Vout = 1.25 V (1 + R2 / R1 ) + IAdj R2
Since IAdj is controlled to less than 100 µA, the error associated with this term is negligible in most applications
1-11 2002/10.rev.A
1 page  
PJ317
3-Terminal Adjustable Output Positive Voltage Regulator
FIGURE 5-LOAD REGULATION
FIGURE 6-CURRENT LIMIT
FIGURE 7-ADJUSTMENT PIN CURRENT
FIGURE 8-DROPOUT VOLTAGE
FIGURE 9-TEMPERATURE STABILITY
CURRENT
FIGURE 10-MINIMUM OPERATING
5-11 2002/10.rev.A
5 Page 
PJ317
3-Terminal Adjustable Output Positive Voltage Regulator
DIM
A
B
C
D
F
G
K
M
P
R
MILLIMETERS
MIN
MAX
4.80 5.00
3.80 4.00
1.35 1.75
0.35 0.49
0.40 1.25
1.27BSC
0.10 0.25
0° 7°
5.80 6.20
0.25 0.50
INCHES
MIN
MAX
0.189 0.196
0.150 0.157
0.054 0.068
0.014 0.019
0.016 0.049
0.05BSC
0.004 0.009
0° 7°
0.229 0.244
0.010 0.019
11-11
2002/10.rev.A
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet PJ317.PDF ] | |
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