Datasheet

Data Sheet ADP172
Rev. D | Page 3 of 20
SPECIFICATIONS
V
IN
= (V
OUT
+ 0.4 V) or 1.6 V (whichever is greater), EN = V
IN
, I
OUT
= 10 mA, C
IN
= C
OUT
= 1 µF, T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT VOLTAGE RANGE V
IN
T
J
= −40°C to +125°C 1.6 3.6 V
OPERATING SUPPLY CURRENT
1
I
GND
I
OUT
= 0 µA 23 µA
I
OUT
= 0 µA, T
J
= −40°C to +125°C 60 µA
I
OUT
= 1 mA
50
µA
I
OUT
= 1 mA, T
J
= −40°C to +125°C 100 µA
I
OUT
= 150 mA 130 µA
I
OUT
= 150 mA, T
J
= −40°C to +125°C 210 µA
I
OUT
= 300 mA 170 µA
I
OUT
= 300 mA, T
J
= −40°C to +125°C 260 µA
SHUTDOWN CURRENT I
GND-SD
EN = GND 0.1 µA
EN = GND, V
IN
= 3.6 V, T
J
= −40°C to +85°C 2 µA
EN = GND, V
IN
= 3.6 V, T
J
= 85°C to 125°C 25 µA
OUTPUT VOLTAGE ACCURACY V
OUT
I
OUT
= 10 mA −1 +1 %
1 mA < I
OUT
< 300 mA, V
IN
= (V
OUT
+ 0.5 V) to 3.6 V −2 +1.5 %
1 mA < I
OUT
< 300 mA, V
IN
= (V
OUT
+ 0.5 V) to 3.6 V,
T
J
= −40°C to +125°C
−3 +1.5 %
LINE REGULATION ∆V
OUT
/∆V
IN
V
IN
= (V
OUT
+ 0.5 V) to 3.6 V, T
J
= −40°C to +125°C −0.25 +0.25 %/V
LOAD REGULATION
2
∆V
OUT
/∆I
OUT
I
OUT
= 1 mA to 300 mA 0.001 %/mA
I
OUT
= 1 mA to 300 mA, T
J
= −40°C to +125°C 0.005 %/mA
DROPOUT VOLTAGE
3
V
DROPOUT
I
OUT
= 10 mA, V
OUT
≥ 1.8 V 2 mV
I
OUT
= 10 mA, V
OUT
≥ 1.8 V, T
J
= −40°C to +125°C 7 mV
I
OUT
= 150 mA, V
OUT
≥ 1.8 V 25 mV
I
OUT
= 150 mA, V
OUT
≥ 1.8 V, T
J
= −40°C to +125°C 50 mV
I
OUT
= 300 mA, V
OUT
≥ 1.8 V 50 mV
I
OUT
= 300 mA, V
OUT
≥ 1.8 V, T
J
= −40°C to +125°C 100 mV
START-UP TIME
4
t
START-UP
V
OUT
= 1.8 V 120 µs
CURRENT-LIMIT THRESHOLD
5
I
LIMIT
400 450 800 mA
THERMAL SHUTDOWN
Thermal Shutdown Threshold TS
SD
T
J
rising 150
°C
Thermal Shutdown Hysteresis TS
SD-HYS
15
°C
EN INPUT
Logic High Voltage V
IH
1.6 V ≤ V
IN
≤ 3.6 V 1.2 V
Logic Low Voltage V
IL
1.6 V ≤ V
IN
≤ 3.6 V 0.4 V
Leakage Current Voltage V
I-LEAKAGE
EN = VIN or GND 0.1 µA
EN = VIN or GND, T
J
= −40°C to +125°C 1 µA
UNDERVOLTAGE LOCKOUT UVLO
Input Voltage Rising UVLO
RISE
T
J
= −40°C to +125°C 1.5 V
Input Voltage Falling UVLO
FAL L
T
J
= −40°C to +125°C 0.7 V
Hysteresis UVLO
HYS
80 mV
OUTPUT NOISE OUT
NOISE
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 3.0 V 72 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 1.8 V 50 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 1.2 V 40 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 0.8 V 30 µV rms