LM317MDT ON Semiconductor, LM317MDT Datasheet - Page 6

• Manufacturer Part Number: LM317MDT
• Description: Linear Regulators - Standard 500mA ADJ 1.2-37V
• Manufacturer: ON Semiconductor

Specifications of LM317MDT

• Polarity: Positive
• Number Of Outputs: 1
• Output Type: Adjustable
• Output Voltage: 1.2 V to 37 V
• Output Current: 0.25 A
• Line Regulation: 0.07 % / V
• Load Regulation: 1.5 % / V
• Input Voltage Max: 40 V
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: 0 C
• Package / Case: DPAK
• Mounting Style: SMD/SMT
• Reference Voltage: 1.3 V
• Voltage Regulation Accuracy: 4 %
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

-0.2
-0.4
-0.6
-0.8
-1.0
0.80
0.60
0.40
0.20
0.4
0.2
1.0
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
0
0
-50
V
V
in-
Figure 11. Minimum Operating Current
in
-V
V
out
out
-25
10
10
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
, INPUT-OUTPUT VOLTAGE DIFFERENTIAL (V)
Figure 7. Load Regulation
T
J
Figure 9. Current Limit
, JUNCTION TEMPERATURE (°C)
0
20
25
20
T
T
J
J
= 25°C
= 125°C
50
V
V
I
V
V
I
L
L
in
out
out
in
= 5.0 mA to 40 mA
= 5.0 mA to 100 mA
= 45 V
= 10 V
75
30
30
= 5.0 V
= 5.0 V
T
J
= 125°C
T
100
J
= 25°C
125
40
40
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150
50
6
100
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
90
80
70
60
50
40
30
20
10
10
Figure 12. Ripple Rejection versus Frequency
I
f = 120 Hz
V
V
L
out
in
= 100 mA
-50
-50
= 14 V to 24 V
= 10 V
100
-25
-25
Figure 10. Dropout Voltage
1.0 k
Figure 8. Ripple Rejection
T
T
J
J
, JUNCTION TEMPERATURE (°C)
, JUNCTION TEMPERATURE (°C)
0
0
10 k
f, FREQUENCY (Hz)
25
25
I
L
= 100 mA
100 k
50
50
Without C
75
75
1.0 M
I
V
V
L
I
Without C
L
out
in
= 40 mA
= 500 mA
= 5.0 V ± 1.0 V
100
100
= 1.25 V
Adj
= 10 mF
Adj
125
125
PP
150
150