LM317M, LM317MA
Figure 5. Load Regulation
90
∆
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
TJ, JUNCTION TEMPERATURE (°C)
150
Vin = 10 V
Vout = 5.0 V
IL = 5.0 mA to 100 mA
RR, RIPPLE REJECTION (dB)
Vin = 45 V
Vout = 5.0 V
IL = 5.0 mA to 40 mA
Figure 6. Ripple Rejection
80
Without CAdj = 10
µF
70
Without CAdj
60 IL = 100 mA
f = 120 Hz
Vout = 10 V
Vin = 14 V to 24 V
50
–50 –25
0
25
50
75
100 125
TJ, JUNCTION TEMPERATURE (°C)
150
Figure 7. Current Limit
V in –Vout , INPUT–OUTPUT VOLTAGE
DIFFERENTIAL (V)
1.0
0.80
0.60
0.40
0.20
0
0
10
20
30
40
Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (V)
50
TJ = 125°C
TJ = 25°C
2.5
Figure 8. Dropout Voltage
Iout , OUTPUT CURRENT (A)
2.0
IL = 100 mA
IL = 500 mA
1.5
1.0
0.5
–50
–25
0
25
50
75
100 125
TJ, JUNCTION TEMPERATURE (°C)
150
Figure 9. Minimum Operating Current
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
Vin–Vout, INPUT–OUTPUT VOLTAGE DIFFERENTIAL (Vdc)
TJ = 125°C
TJ = 25°C
100
90
80
70
60
50
40
30
20
10
10
Figure 10. Ripple Rejection versus Frequency
IL = 40 mA
Vin = 5.0 V
±
1.0 VPP
Vout = 1.25 V
100
1.0 k
10 k
100 k 1.0 M
f, FREQUENCY (Hz)
MOTOROLA ANALOG IC DEVICE DATA
5
MOTOROLA [ MOTOROLA, INC ]
