Datasheet

Data Sheet ADP122/ADP123
Rev. E | Page 3 of 24
SPECIFICATIONS
Unless otherwise noted, V
IN
= (V
OUT
+ 0.3 V) or 2.3 V, whichever is greater; ADJ connected to VOUT; I
OUT
= 10 mA; C
IN
= 1.0 µF;
C
OUT
= 1.0 µF; T
A
= 25°C.
Table 1.
Parameter Symbol Test Conditions Min Typ Max Unit
INPUT VOLTAGE RANGE V
IN
2.3 5.5 V
OPERATING SUPPLY CURRENT
1
I
GND
I
OUT
= 0 µA 45 µA
I
OUT
= 0 µA, T
J
= −40°C to +125°C 105 µA
I
OUT
= 1 mA 60 µA
I
OUT
= 1 mA, T
J
= −40°C to +125°C 120 µA
I
OUT
= 150 mA 130 µA
I
OUT
= 150 mA, T
J
= −40°C to +125°C 190 µA
I
OUT
= 300 mA 170 µA
I
OUT
= 300 mA, T
J
= −40°C to +125°C 240 µA
SHUTDOWN CURRENT I
SD
EN = GND 0.1 µA
EN = GND, T
J
= −40°C to +125°C 1 µA
OUTPUT VOLTAGE ACCURACY
2
V
OUT
Fixed Output I
OUT
= 10 mA −1 +1 %
100 µA < I
OUT
< 300 mA, V
IN
= (V
OUT
+ 0.5 V) to 5.5 V,
T
J
= −40°C to +125°C
−2 +1.5 %
Adjustable Output I
OUT
= 10 mA 0.495 0.500 0.505 V
100 µA < I
OUT
< 300 mA, V
IN
= 2.3 V to 5.5 V,
T
J
= −40°C to +125°C
0.490 0.500 0.5075 V
LINE REGULATION ∆V
OUT
/∆V
IN
V
IN
= V
IN
= 2.3 V to 5.5 V, T
J
= −40°C to +125°C −0.05 +0.05 %/V
LOAD REGULATION
3
∆V
OUT
/∆I
OUT
I
OUT
= 1 mA to 300 mA 0.0005 %/mA
I
OUT
= 1 mA to 300 mA , T
J
= −40°C to +125°C 0.001 %/mA
ADJ INPUT BIAS CURRENT ADJ
I-BIAS
2.3 V ≤ V
IN
≤ 5.5 V, ADJ connected to VOUT 15 nA
DROPOUT VOLTAGE
4
V
DROPOUT
I
OUT
= 10 mA, V
OUT
> 2.3 V 3 mV
I
OUT
= 10 mA, T
J
= −40°C to +125°C 5 mV
I
OUT
= 150 mA, V
OUT
> 2.3 V 45 mV
I
OUT
= 150 mA, T
J
= −40°C to +125°C 75 mV
I
OUT
= 300 mA, V
OUT
> 2.3V 85 mV
I
OUT
= 300 mA, T
J
= −40°C to +125°C 150 mV
START-UP TIME
5
t
START-UP
V
OUT
= 3.0 V 350 µs
CURRENT LIMIT THRESHOLD
6
I
LIMIT
350 500 650 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 0.1 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 2.1 V
Input Voltage Falling UVLO
FAL L
T
J
= −40°C to +125°C 1.5 V
Hysteresis UVLO
HYS
T
A
= 25°C 125 mV