Datasheet

ADP7182 Data Sheet
Rev. C | Page 14 of 28
0
–800
–700
–600
–500
–400
–300
–200
–100
–30 –25 –20 –15
GROUND CURRENT (µA)
V
IN
(V)
I
LOAD
= –100µA
I
LOAD
= –1mA
I
LOAD
= –10mA
I
LOAD
= –50mA
I
LOAD
= –100mA
I
LOAD
= –200mA
10703-043
Figure 43. Ground Current vs. Input Voltage (V
IN
),
Adjustable Output Voltage, V
OUT
= −15 V
0
–140
–120
–100
–80
–60
–40
–20
1 10 100 1000
DROPOUT VOLTAGE (mV)
I
LOAD
(mA)
10703-044
Figure 44. Dropout Voltage vs. Load Current (I
LOAD
),
Adjustable Output Voltage, V
OUT
= −15 V
–14.60
–14.65
–14.70
–14.75
–14.80
–14.85
–14.90
–14.95
–15.00
–15.05
–15.10
–15.0 –14.5
–14.6–14.7–14.8
–14.9
V
OUT
(V)
V
IN
(V)
I
LOAD
= –10mA
I
LOAD
= –10mA
I
LOAD
= –25mA
I
LOAD
= –50mA
I
LOAD
= –100mA
I
LOAD
= –200mA
10703-045
Figure 45. Output Voltage (V
OUT
) vs. Input Voltage (V
IN
) in Dropout,
Adjustable Output Voltage, V
OUT
= −15 V
0
–1600
–1400
–1200
–1000
–800
–600
–400
–200
–15.0 –14.0–14.2–14.4–14.6–14.8
GROUND CURRENT (µA)
V
IN
(V)
I
LOAD
= –5mA
I
LOAD
= –10mA
I
LOAD
= –25mA
I
LOAD
= –50mA
I
LOAD
= –100mA
I
LOAD
= –200mA
10703-046
Figure 46. Ground Current vs. Input Voltage (V
IN
) in Dropout, V
OUT
= −15 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
I
LOAD
= –200mA
I
LOAD
= –100mA
I
LOAD
= –10mA
I
LOAD
= –1mA
10703-047
Figure 47. Power Supply Rejection Ratio (PSRR) vs. Frequency,
V
OUT
= −1.22 V vs. Different Load Currents (I
LOAD
), V
IN
= −2.7 V
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10 100 1k 10k 100k 1M 10M
PSRR (dB)
FREQUENCY (Hz)
I
LOAD
= –200mA
I
LOAD
= –100mA
I
LOAD
= –10mA
I
LOAD
= –1mA
10703-048
Figure 48. Power Supply Rejection Ratio (PSRR) vs. Frequency,
V
OUT
= −1.22 V vs. Different Load Currents (I
LOAD
), V
IN
= −5.7 V