BL317B
HIGH CURRENT ADJUSTABLE VOLTAGE REGULATOR BL317B
DESCRIPTION
The BL317B is an adjustable 3-terminal positive vol...
BL317B
HIGH CURRENT ADJUSTABLE VOLTAGE
REGULATOR BL317B
DESCRIPTION
The BL317B is an adjustable 3-terminal positive voltage
regulator, designed to supply more than 1.5A of output current with voltage adjustable from1.3V ~ 37V.
F E AT U R E S
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
1 1 1
1
TO-220 TO-252 TO-263 TO-220F
A P P L I C AT I O N S
PC Motherboard LCD Monitor Graphic Card DVD Player Network Interface Card/Switch Telecom Equipment Printer and other Peripheral Equipment
1
SOT-223
1:ADJ; 2: OUTPUT; 3: INPUT
Page1
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V1.3
ORDERING INFORMATION
Device BL317BT BL317BF BL317BY-B BL317BY-T BL317BK BL317BS
Package TO-220 TO-220F TO-252 TO-252 TO-263-2L SOT-223
Shipping Tube Tube
2500pcs/Reel 80pcs/Tube Reel Reel
BLOCK DIAGRAM
BL317B
ABSOLUTE MAXIMUM RATINGS (Ta=25°C) *
Characteristic
Symbol Min. Max. Unit
Input - Output Voltage Difference
Vin-Vout
40 V
Power Dissipation
Pd Internal limited
Operating Temperature Range
TOPR 0 125 °C
Storage temperature
TS -65 150 °C
Lead temperature (soldering, 10sec)
TLEAD
260 °C
*: Absolute maximum ratings are stress ratings only and functional device operation is
not implied. The device could be damaged beyond Absolute maximum ratings.
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V1.3
BL317B
ELECTRICAL CHARACTERISTICS
（ VI-VO=5V,0°C
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