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LM317D2TR4G

P1-P3P4-P6P7-P9P10-P12
LM317, NCV317
www.onsemi.com
4
Figure 4. Load Regulation and DI
Adj
/Load Test Circuit
Figure 5. Standard Test Circuit
Figure 6. Ripple Rejection Test Circuit
V
O
LM317
V
O
(min Load) - V
O
(max Load)
*Pulse testing required.
*1% Duty Cycle is suggested.
Load Regulation (mV) = V
O
(min Load) - V
O
(max Load)
Load Regulation (% V
O
) = x 100
V
O
(min Load)
V
O
(max Load)
C
in
0.1 mF
Adjust
R
2
1%
C
O
1.0 mF
+
*
R
L
(max Load)
R
L
(min Load)
V
out
R
1
240
1%
V
I
V
in
I
Adj
I
L
* Pulse testing required.
* 1% Duty Cycle is suggested.
V
in
V
out
Adjust
R
1
240
1%
+
1.0 mF
C
O
R
L
C
in
R
2
1%
To Calculate R
2
: V
out
= I
SET
R
2
+ 1.250 V
To Calculate R
2
: Assume I
SET
= 5.25 mA
I
L
I
Adj
I
SET
V
ref
V
O
V
I
0.1 mF
V
in
V
out
V
out
= 10 V
R
L
C
in
0.1 mF
Adjust
R
1
240
1%
D
1
*
1N4002
C
O
+
1.0 mF
24 V
14 V
R
2
1.65 k
1%
C
Adj
10 mF
+
*D
1
Discharges C
Adj
if output is shorted to Ground.
f = 120 Hz
LM317
LM317
V
O
(min Load)
LM317, NCV317
www.onsemi.com
5
Figure 7. Load Regulation Figure 8. Current Limit
Figure 9. Adjustment Pin Current Figure 10. Dropout Voltage
Figure 11. Temperature Stability Figure 12. Minimum Operating Current
ΔV
out
, OUTPUT VOLTAGE CHANGE (%)
V
in
= 15 V
V
out
= 10 V
I
out
, OUTPUT CURRENT (A)
, ADJUSTMENT PIN CURRENT ( A)
Adj
μI
, INPUT-OUTPUT VOLTAGE
in out
V-V
ref
V , REFERENCE VOLTAGE (V)
I
Lmin
, MINIMUM OPERATING CURRENT (mA)
DIFFERENTIAL (Vdc)
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
4.0
3.0
2.0
1.0
0
70
65
60
55
50
45
40
35
3.0
2.5
2.0
1.5
1.0
1.26
1.25
1.24
1.23
1.22
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
010203040
V
in
-V
out
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
-50 -25 0 25 50 75 100 125 150
T
J
, JUNCTION TEMPERATURE (°C)
010203040
V
in
-V
out
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
1.0 A
+150°C
I
L
= 0.5 A
I
L
= 1.5 A
-55°C
150°C
T
J
= 25°C
DV
out
= 100 mV
I
L
= 1.5 A
500 mA
200 mA
20 mA
+25°C
T
J
= -55°C
LM317, NCV317
www.onsemi.com
6
ΔV
VOLTAGE DEVIATION (V)
out
, OUTPUT
Figure 13. Ripple Rejection versus Output
Voltage
Figure 14. Ripple Rejection versus
Output Current
Figure 15. Ripple Rejection versus Frequency
Figure 16. Output Impedance
Figure 17. Line Transient Response Figure 18. Load Transient Response
V
VOTLAGE CHANGE (V)
Δ
in
ΔV
VOLTAGE DEVIATION (V)
out
, INPUT , OUTPUT
C
L
= 1.0 mF;
C
Adj
= 10 mF
V
in
I
CURRENT (A)
L
, LOAD
C
L
= 1.0 mF;
C
Adj
= 10 mF
I
L
RR, RIPPLE REJECTION (dB)
V
in
- V
out
= 5 V
I
L
= 500 mA
f = 120 Hz
T
J
= 25°C
Without C
Adj
C
Adj
= 10 mF
RR, RIPPLE REJECTION (dB)
V
in
= 15 V
V
out
= 10 V
f = 120 Hz
T
J
= 25°C
Without C
Adj
C
Adj
= 10 mF
Without C
Adj
RR, RIPPLE REJECTION (dB)
I
L
= 500 mA
V
in
= 15 V
V
out
= 10 V
T
J
= 25°C
C
Adj
= 10 mF
V
in
= 15 V
V
out
= 10 V
I
L
= 500 mA
T
J
= 25°C
C
Adj
= 10 mF
Without C
Adj
Z
O
Ω, OUTPUT IMPEDANCE ()
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
1.0
0.5
0
3.0
2.0
1.0
0
-1.0
-2.0
-3.0
1.5
1.0
0.5
0
100
80
60
40
20
0
120
100
80
60
40
20
0
100
80
60
40
20
0
10
1
10
0
10
-1
10
-2
10
-3
010203040
t, TIME (ms)
010203040
0 5.0 10 15 20 25 30 35
V
out
, OUTPUT VOLTAGE (V)
0.01 0.1 1.0 1
0
I
O
, OUTPUT CURRENT (A)
10 100 1.0 k 10 k 100 k 1.0 M 10 M
f, FREQUENCY (Hz)
10 100 1.0 k 10 k 100 k 1.0 M
f, FREQUENCY (Hz)
t, TIME (ms)
V
in
= 15 V
V
out
= 10 V
I
NL
= 50 mA
T
J
= 25°C
V
out
= 10 V
I
L
= 50 mA
T
J
= 25°C
C
L
= 0;
Without C
Adj
C
L
= 0;
Without C
Adj
P1-P3P4-P6P7-P9P10-P12

LM317D2TR4G

Mfr. #:
Buy LM317D2TR4G
Manufacturer:
ON Semiconductor
Description:
Linear Voltage Regulators 1.5A ADJ 1.2-37V Positive
Lifecycle:
New from this manufacturer.
Delivery:
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