ADP124 Analog Devices, ADP124 Datasheet - Page 8

• Manufacturer Part Number: ADP124
• Description: 5.5V Input, 500 mA, Low Quiescent Current, CMOS Linear Regulator w/31 Fixed-output Voltages
• Manufacturer: Analog Devices

ADP124/ADP125
Figure 13. Shutdown Current vs. Temperature at Various Input Voltages
120
100
450
400
350
300
250
200
150
100
80
60
40
20
0
50
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
3.00
0
Figure 15. Ground Current vs. Input Voltage (in Dropout)
–50
1
Figure 14. Dropout Voltage vs. Load Current
3.10
–25
I
I
I
I
OUT
OUT
OUT
OUT
V
V
V
V
V
V
V
= 10mA
= 100mA
= 300mA
= 500mA
IN
IN
IN
IN
IN
IN
IN
3.20
= 5.50
= 5.40
= 5.20
= 5.00
= 4.40
= 4.20
= 3.80
0
10
TEMPERATURE (°C)
25
3.30
I
OUT
V
IN
(mA)
(V)
50
3.40
100
75
3.50
100
3.60
125
1000
3.70
Rev. A | Page 8 of 20
Figure 17. Power Supply Rejection Ratio vs. Frequency, V
Figure 18. Power Supply Rejection Ratio vs. Frequency, V
–100
–100
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
2.95
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
3.00
Figure 16. Output Voltage vs. Input Voltage (in Dropout)
10
10
V
V
C
V
V
C
IN
RIPPLE
IN
IN
RIPPLE
IN
I
I
I
I
I
I
I
I
I
I
I
I
OUT
OUT
OUT
OUT
OUT
OUT
= V
OUT
OUT
OUT
OUT
OUT
OUT
= V
I
I
I
I
= C
= C
3.10
OUT
OUT
OUT
OUT
100
100
OUT
OUT
OUT
OUT
= 100µA
= 1mA
= 10mA
= 100mA
= 300mA
= 500mA
= 100µA
= 1mA
= 10mA
= 100mA
= 300mA
= 500mA
= 50mV
= 50mV
= 10mA
= 100mA
= 300mA
= 500mA
+1V
+1V
= 1µF
= 1µF
3.20
1k
1k
FREQUENCY (Hz)
FREQUENCY (Hz)
V
3.30
IN
10k
10k
(V)
100k
100k
3.40
OUT
OUT
3.50
1M
1M
= 2.8 V, V
= 3.3 V, V
IN
IN
3.60
10M
10M
= 3.8 V
= 4.3 V