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LM317LCLP Folha de dados(PDF) 4 Page - Texas Instruments

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Nome de Peças LM317LCLP
Descrição Electrónicos  3-TERMINAL ADJUSTABLE REGULATOR
Download  17 Pages
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

LM317LCLP Folha de dados(HTML) 4 Page - Texas Instruments

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VO
(see Note A)
R2 = 3 k
1N4002
R3 =
820
−10 V
C1 = 0.1
µF
35 V
Adjustment
Output
Input
LM317L
NOTE A: Output voltage is calculated from the equation:
where: Vref equals the difference between OUTPUT
and ADJUSTMENT voltages (
≈1.25 V).
R1 = 120
V
O + Vref 1 )
R2 ) R3
R1
* 10 V
C1 = 0.1
µF
(see Note A)
VI
470
R1
R2
C2 = 1
µF
(see Note C)
VO
(see Note B)
Adjustment
Output
Input
LM317L
NOTES: A. Use of an input bypass capacitor is recommended if
regulator is far from the filter capacitors.
B. Output voltage is calculated from the equation:
where: Vref equals the difference between OUTPUT and
ADJUSTMENT voltages (
≈1.25 V).
C. Use of an output capacitor improves transient response,
but is optional.
V
O + Vref 1 )
R2
R1
VI
R1
Adjustment
Output
Input
LM317L
I
limit +
1.25
R1
R1 =
470
D1
1N4002
C3 = 1
µF
C2 = 10
µF
R2 =
10 k
VI
+
+
Adjustment
Output
Input
LM317L
D1 discharges C2 if output is shorted to ground.
NOTE A: Use of an output capacitor improves transient response, but is
optional.
VO
(see Note A)
C1 =
0.1
µF
R3 =
240
VI
C1 = 0.1
µF
C2 = 1
µF
Output
Adjust
VO
R2 = 1.5 k
R1 = 470
LM317L
R4 =
2 k
Adjustment
Output
Input
LM317L
Adjustment
Output
Input
R1 =
470
R2 = 5.1 k
C1 = 25
µF
2N2905
R3 = 50 k
1N4002
VO = 15 V
VI
LM317L
Adjustment
Output
Input
LM317L
SLCS144D
– JULY 2004 – REVISED OCTOBER 2011
www.ti.com
APPLICATION INFORMATION
Figure 1. Adjustable Voltage Regulator
Figure 2. 0-V to 30-V Regulator Circuit
Figure 3. Regulator Circuit With Improved Ripple
Figure 4. Precision Current-Limiter Circuit
Rejection
Figure 5. Tracking Preregulator Circuit
Figure 6. Slow-Turnon 15-V Regulator Circuit
4
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Copyright
© 2004–2011, Texas Instruments Incorporated
Product Folder Link(s): LM317L


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