Datasheet

Data Sheet ADP7182
Rev. C | Page 3 of 28
SPECIFICATIONS
V
IN
= (V
OUT
− 0.5 V) or −2.7 V (whichever is greater), EN = V
IN
, I
OUT
= −10 mA, C
IN
= C
OUT
= 2.2 µF, T
J
= −40°C to +125°C for
minimum/maximum specifications, T
A
= 25°C for typical specifications, unless otherwise noted.
Table 1.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT VOLTAGE RANGE V
IN
−2.7 −28 V
OPERATING SUPPLY CURRENT I
GND
I
OUT
= 0 µA −33 −53 µA
I
OUT
= −10 mA −100 −150 µA
I
OUT
= −200 mA −650 −850 µA
SHUTDOWN CURRENT I
GND-SD
EN = GND −2 µA
EN = GND, V
IN
= −2.7 V to −28 V −8 µA
OUTPUT VOLTAGE ACCURACY
Fixed Output Voltage Accuracy V
OUT
I
OUT
= −10 mA, T
A
= 25°C –1 +1 %
−1 mA < I
OUT
< −200 mA, V
IN
= (V
OUT
− 0.5 V) to −28 V –3 +2 %
Adjustable Output Voltage
Accuracy
V
ADJ
I
OUT
= −10 mA −1.208 −1.22 −1.232 V
−1 mA < I
OUT
< −200 mA, V
IN
= (V
OUT
− 0.5 V) to −28 V −1.184 −1.244 V
LINE REGULATION ∆V
OUT
/∆V
IN
V
IN
= (V
OUT
− 0.5 V) to −28 V −0.01 +0.01 %/V
LOAD REGULATION
1
∆V
OUT
/∆I
OUT
I
OUT
= −1 mA to −200 mA 0.001 0.006 %/mA
ADJ INPUT BIAS CURRENT ADJ
I-BIAS
−1 mA < I
OUT
< −200 mA, V
IN
= (V
OUT
− 0.5 V) to −28 V 10 nA
DROPOUT VOLTAGE
2
V
DO
I
OUT
= −10 mA −25 −70 mV
I
OUT
= −50 mA −46 −90 mV
I
OUT
= −200 mA −185 −360 mV
START-UP TIME
3
t
START-UP
V
OUT
= −5 V 550 µs
V
OUT
= −2.8 V 375 µs
CURRENT-LIMIT THRESHOLD
4
I
LIMIT
−230 −350 −500 mA
THERMAL SHUTDOWN
Thermal Shutdown Threshold
TS
SD
T
J
rising
150
°C
Thermal Shutdown Hysteresis TS
SD-HYS
15 °C
EN THRESHOLD
Positive Rise
V
EN-POS-RISE
V
OUT
= off to on (positive)
1.2
V
Negative Rise V
EN-NEG-RISE
V
OUT
= off to on (negative) −2.0 V
Positive Fall V
EN-POS-FALL
V
OUT
= on to off (positive) 0.3 V
Negative Fall V
EN-NEG-FALL
V
OUT
= on to off (negative) −0.55 V
INPUT VOLTAGE LOCKOUT
Start Threshold V
START
−2.695 −2.49 V
Shutdown Threshold V
SHUTDOWN
−2.34 −2.1 V
Hysteresis 150 mV
OUTPUT NOISE OUT
NOISE
10 Hz to 100 kHz, V
OUT
= −1.5 V, V
OUT
= −3 V, and
V
OUT
= −5 V
18 µV rms
10 Hz to 100 kHz, V
OUT
= −5 V, adjustable mode,
C
NR
= open, R
NR
= open, R
FB1
= 147 kΩ, R
FB2
= 13 kΩ
150 µV rms
10 Hz to 100 kHz, V
OUT
= −5 V, adjustable mode,
C
NR
= 100 nF, R
NR
= 13 kΩ, R
FB1
= 147 kΩ, R
FB2
= 13 kΩ
33 µV rms