LM317M
90
Δ
V out , OUTPUT VOLTAGE CHANGE (%)
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1.0
−50
−25
0
25
50
75
100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
V
in
= 10 V
V
out
= 5.0 V
I
L
= 5.0 mA to 100 mA
RR, RIPPLE REJECTION (dB)
V
in
= 45 V
V
out
= 5.0 V
I
L
= 5.0 mA to 40 mA
80
Without C
Adj
= 10
mF
70
60
50
I
L
= 100 mA
f = 120 Hz
V
out
= 10 V
V
in
= 14 V to 24 V
−50
−25
Without C
Adj
0
25
50
75
100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
Figure 7. Load Regulation
Figure 8. Ripple Rejection
V in −Vout , INPUT−OUTPUT VOLTAGE
DIFFERENTIAL (V)
1.0
0.80
0.60
T
J
= 25°C
0.40
0.20
0
0
10
20
30
40
V
in
−V
out
, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (V)
50
T
J
= 125°C
2.5
I
L
= 500 mA
Iout , OUTPUT CURRENT (A)
2.0
I
L
= 100 mA
1.5
1.0
0.5
−50
−25
0
25
50
75
100 125
T
J
, JUNCTION TEMPERATURE (°C)
150
Figure 9. Current Limit
Figure 10. Dropout Voltage
5.0
IB , QUIESCENT CURRENT (mA)
4.5
RR, RIPPLE REJECTION (dB)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
10
20
30
40
V
in−
V
out
, INPUT−OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
T
J
= 125°C
T
J
= 25°C
100
90
80
70
60
50
40
30
20
10
10
100
1.0 k
10 k
100 k 1.0 M
f, FREQUENCY (Hz)
I
L
= 40 mA
V
in
= 5.0 V
±
1.0 V
PP
V
out
= 1.25 V
Figure 11. Minimum Operating Current
Figure 12. Ripple Rejection versus Frequency
http://onsemi.com
6
ONSEMI [ ON SEMICONDUCTOR ]
