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LM350 数据表(PDF) 8 Page - ON Semiconductor

部件名 LM350
功能描述  3.0 A, Adjustable Output, Positive Voltage Regulator
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制造商  ONSEMI [ON Semiconductor]
网页  http://www.onsemi.com
标志 ONSEMI - ON Semiconductor

LM350 数据表(HTML) 8 Page - ON Semiconductor

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LM350
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Figure 21. “Laboratory” Power Supply with Adjustable Current Limit and Output Voltage
Figure 22. Adjustable Current Limiter
Figure 23. 5.0 V Electronic Shutdown Regulator
Figure 24. Slow Turn−On Regulator
Figure 25. Current Regulator
D6
1N4002
Vin
32V
Vin1
LM350
(1)
Adjust 1
Vout1 RSC
Vin2
Vout 2
IO
VO
IN4001
1N4001
240
D5
1N4001
+
1.0
mF
Tantalum
1K
Current
Limit
Adjust
Q1
2N3822
5.0K
Adjust 2
Voltage
Adjust
+
10
mF
D3
D4
D1
1N4001
Q2
2N5640
−10V
Output Range:
0
≤ VO ≤ 25 V
0
≤ IO ≤ 1.5 A
Diodes D1 and D2 and transistor Q2 are added to allow adjustment
of output voltage to 0 V.
D6 protects both LM350’s during an input short circuit.
1N4001
D2
−10V
0.1
mF
LM350
(2)
Vref
+25V
Vin
LM350
Vout
R1
Vout
620
Adjust
Iout
D2
1N4001
2N5640
R2
100
* To provide current limiting of IO
to the system ground, the source of
the FET must be tied to a negative
voltage below −1.25 V.
R2
Vref
R1 =
VSS*
D1
1N4001
VO < V(BR)DSS + 1.25 V + VSS
ILmin − IDSS < IO < 3.0 A
As shown O < IO < 1.0 A
Vin
D1
1N4002
Vout
120
Adjust
720
+
1.0
mF
MPS2222
1.0k
TTL
Control
LM350
Minimum Vout = 1.25 V
D1 protects the device during an input short circuit.
+
10
mF
Vin
Vout
240
1N4001
LM350
Adjust
MPS2907
R2
50k
LM350
Vin
Vout
R1
Adjust
IAdj
Iout
1.25 V
R1
^
10 mA
≤ Iout ≤ 3.0 A
IDSS
IOmax + IDSS
Iout +
Vref
R1
) IAdj


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