Datasheet

Data Sheet ADP121
Rev. G | Page 3 of 20
SPECIFICATIONS
V
IN
= (V
OUT
+ 0.5 V) or 2.3 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 2.3 5.5 V
OPERATING SUPPLY CURRENT I
GND
I
OUT
= 0 µA 11 µA
I
OUT
= 0 µA, T
J
= −40°C to +125°C 21 µA
I
OUT
= 10 mA 15 µA
I
OUT
= 10 mA, T
J
= −40°C to +125°C 29 µA
I
OUT
= 150 mA 30 µA
I
OUT
= 150 mA, T
J
= −40°C to +125°C 40 µA
SHUTDOWN CURRENT I
GND-SD
EN = GND 0.1 µA
EN = GND, T
J
= −40°C to +125°C 1.5 µA
FIXED OUTPUT VOLTAGE ACCURACY V
OUT
I
OUT
= 10 mA −1 +1 %
100 µA < I
OUT
< 150 mA,
V
IN
= (V
OUT
+ 0.5 V) to 5.5 V
−2 +2 %
100 µA < I
OUT
< 150 mA,
V
IN
= (V
OUT
+ 0.5 V) to 5.5 V
T
J
= −40°C to +125°C
−3 +3 %
REGULATION
Line Regulation ∆V
OUT
/∆V
IN
V
IN
= (V
OUT
+ 0.5 V) to 5.5 V, I
OUT
= 1 mA
T
J
= −40°C to +125°C
−0.03 +0.03 %/V
Load Regulation
1
∆V
OUT
/∆I
OUT
I
OUT
= 1 mA to 150 mA 0.001 %/mA
I
OUT
= 1 mA to 150 mA
T
J
= −40°C to +125°C
0.005 %/mA
DROPOUT VOLTAGE
2
V
DROPOUT
V
OUT
= 3.3 V
TSOT I
OUT
= 10 mA 8 mV
I
OUT
= 10 mA, T
J
= −40°C to +125°C 12 mV
I
OUT
= 150 mA 120 mV
I
OUT
= 150 mA, T
J
= −40°C to +125°C
180
mV
WLCSP I
OUT
= 10 mA 6 mV
I
OUT
= 10 mA, T
J
= −40°C to +125°C 9 mV
I
OUT
= 150 mA 90 mV
I
OUT
= 150 mA, T
J
= −40°C to +125°C 135 mV
START-UP TIME
3
T
START-UP
V
OUT
= 3.3 V 120 µs
CURRENT-LIMIT THRESHOLD
4
I
LIMIT
160 225 350 mA
THERMAL SHUTDOWN
Thermal Shutdown Threshold
TS
SD
T
J
rising
150
°C
Thermal Shutdown Hysteresis TS
SD-HYS
15 °C
EN INPUT
EN Input Logic High
V
IH
2.3 V ≤ V
IN
≤ 5.5 V
1.2
V
EN Input Logic Low V
IL
2.3 V ≤ V
IN
≤ 5.5 V 0.4 V
EN Input Leakage Current V
I-LEAKAGE
EN = VIN or GND 0.05 µA
EN = VIN or GND, T
J
= −40°C to +125°C 1
UNDERVOLTAGE LOCKOUT UVLO
Input Voltage Rising UVLO
RISE
2.25 V
Input Voltage Falling UVLO
FAL L
1.5 V
Hysteresis UVLO
HYS
120 mV
OUTPUT NOISE OUT
NOISE
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 3.3 V 65 µV rms
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 2.5 V 52 µV rms
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 1.2 V 40 µV rms