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LM317LBZ Datasheet(PDF) 8 Page - ON Semiconductor

Part # LM317LBZ
Description  LOW CURRENT THREE-TERMINAL ADJUSTABLE POSITIVE VOLTAGE REGULATOR
PDF  12 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LM317LBZ Datasheet(HTML) 8 Page - ON Semiconductor

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LM317L
8
MOTOROLA ANALOG IC DEVICE DATA
Figure 19. Adjustable Current Limiter
Figure 20. 5 V Electronic Shutdown Regulator
Figure 21. Slow Turn–On Regulator
Figure 22. Current Regulator
Vref
+25V
Vin
LM317L
Vout
R1
VO
1.25k
Adjust
IO
D2
1N914
1N5314
R2
500
* To provide current limiting of IO
to the system ground, the source of
the current limiting diode must be tied to
a negative voltage below – 7.25 V.
R2 ≥
Vref
R1 =
VSS*
D1
1N914
VO < POV + 1.25 V + VSS
ILmin – IP < IO < 100 mA – IP
As shown O < IO < 95 mA
+
10
µF
Vin
Vout
240
1N4002
LM317L
Adjust
MPS2907
R2
50k
Vin
D1
1N4002
Vout
120
Adjust
720
+
1.0
µF
MPS2222
1.0k
TTL
Control
LM317L
Minimum Vout = 1.25 V
D1 protects the device during an input short circuit.
LM317L
Vin
R1
R2
Adjust
IAdj
Iout
Ioutmax =
Vref
+ IAdj ^
5.0 mA < Iout < 100 mA
Vout
1.25 V
Ioutmax =
Vref
+ IAdj ^
1.25 V
IDSS
IOmax + IDSS
R1
R1 + R2
R1
R1 + R2



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