ADP1720-EP Datasheet, PDF (8/12 Pages) Analog Devices – 50 mA, High Voltage, Micropower Linear Regulator

ADP1720-EP
300
250
200
150
100
50
0
1
10
100
I_LOAD (mA)
Figure 11. Dropout Voltage vs. Load Current
5.05
5.00
I_LOAD = 1mA
4.95
4.90
I_LOAD = 50mA
4.85
I_LOAD = 25mA
4.80
4.75
I_LOAD = 10mA
4.70
4.65
4.60
4.9
5.0
5.1
5.2
5.3
5.4
V_IN (V)
Figure 12. Output Voltage vs. Input Voltage (in Dropout)
Data Sheet
3.5
3.0
I_LOAD =
50mA
2.5
2.0
I_LOAD =
25mA
1.5
1.0
I_LOAD =
1mA
0.5
I_LOAD =
10mA
0
4.9
5.0
5.1
5.2
5.3
5.4
V_IN (V)
Figure 13. Ground Current vs. Input Voltage (in Dropout)
0
V_IN = 8V
–10 VOUT = 1.6V
C_OUT = 1µF
–20 ^VRIPPLE ^{= 50mV}
–30
1mA
–40
10mA
–50
–60
100µA
–70
–80
–90
–100
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 14. Power Supply Rejection Ratio vs. Frequency
(1.6 V Adjustable Output)
Rev. A | Page 8 of 12