Datasheet

Data Sheet ADP222/ADP223/ADP224/ADP225
Rev. D | Page 3 of 24
SPECIFICATIONS
V
IN
= (V
OUT
+ 0.5 V) or 2.5 V (whichever is greater), EN1 = EN2 = V
IN
, I
OUT1
= I
OUT2
= 10 mA, C
IN
= C
OUT1
= C
OUT2
= 1 µF, T
A
= 25°C,
unless otherwise noted.
Table 1.
Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT VOLTAGE RANGE
V
IN
T
J
= −40°C to +125°C
2.5
5.5
V
OPERATING SUPPLY CURRENT
WITH BOTH REGULATORS ON
I
GND
I
OUT
= 0 µA 65 µA
I
OUT
= 0 µA, T
J
= −40°C to +125°C 150 µA
I
OUT
= 10 mA 100 µA
I
OUT
= 10 mA, T
J
= −40°C to +125°C 200 µA
I
OUT
= 300 mA 300 µA
I
OUT
= 300 mA, T
J
= −40°C to +125°C 450 µA
SHUTDOWN CURRENT I
GND-SD
EN1 = EN2 = GND 0.2 2 µA
OUTPUT VOLTAGE ACCURACY
1
V
OUT
T
J
= −40°C to +125°C
I
OUT
= 10 mA −1 +1 %
0 µA < I
OUT
< 300 mA, V
IN
= (V
OUT
+ 0.5 V) to 5.5 V −2 +2 %
ADJUSTABLE-OUTPUT VOLTAGE
ACCURACY
1
V
ADJ
T
J
= −40°C to +125°C
I
OUT
= 10 mA 0.495 0.500 0.505 V
0 µA < I
OUT
< 300 mA, V
IN
= (V
OUT
+ 0.5 V) to 5.5 V 0.490 0.510 V
LINE REGULATION ΔV
OUT
/ΔV
IN
V
IN
= (V
OUT
+ 0.5 V) to 5.5 V 0.01 %/V
V
IN
= (V
OUT
+ 0.5 V) to 5.5 V, T
J
= −40°C to +125°C −0.05 +0.05 %/V
LOAD REGULATION
2
ΔV
OUT
/ΔI
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 0.002 %/mA
DROPOUT VOLTAGE
3
V
DROPOUT
V
OUT
= 3.3 V
I
OUT
= 10 mA 6 mV
I
OUT
= 10 mA, T
J
= −40°C to +125°C 9 mV
I
OUT
= 300 mA 170 mV
I
OUT
= 300 mA, T
J
= −40°C to +125°C A 260 mV
SENSE INPUT BIAS CURRENT SENSE
I-BIAS
2.5 V ≤ V
IN
≤ 5.5 V, SENSEx connected to VOUTx 10 nA
ADJx INPUT BIAS CURRENT ADJ
I-BIAS
2.5 V ≤ V
IN
≤ 5.5 V, ADJx connected to VOUTx 10 nA
START-UP TIME
4
t
START-UP
V
OUT
= 3.3 V 240 µs
V
OUT
= 0.8 V
100
µs
CURRENT-LIMIT THRESHOLD
5
I
LIMIT
340 400 mA
THERMAL SHUTDOWN
Thermal Shutdown Threshold TS
SD
T
J
rising 155 °C
Thermal Shutdown Hysteresis TS
SD-HYS
15 °C
EN INPUT
EN Input Logic High V
IH
2.5 V ≤ V
IN
≤ 5.5 V 1.2 V
EN Input Logic Low V
IL
2.5 V ≤ V
IN
≤ 5.5 V 0.4 V
EN Input Leakage Current
V
I-LEAKAGE
EN1 = EN2 = V
IN
or GND
0.1
µA
EN1 = EN2 = V
IN
or GND, T
J
= −40°C to +125°C 1 µA
UNDERVOLTAGE LOCKOUT
UVLO
Input Voltage Rising
UVLO
RISE
2.45
V
Input Voltage Falling UVLO
FAL L
2.2 V
Hysteresis UVLO
HYS
120 mV
OUTPUT DISCHARGE TIME t
DIS
V
OUT
= 2.8 V 1000 µs
OUTPUT DISCHARGE RESISTANCE R
QOD
140 Ω