Datasheet

Data Sheet ADP220/ADP221
Rev. H | Page 3 of 20
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 Conditions 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 60 µA
I
OUT
= 0 µA, T
J
= −40°C to +125°C 120 µA
I
OUT
= 10 mA 70 µA
I
OUT
= 10 mA, T
J
= −40°C to +125°C 140 µA
I
OUT
= 200 mA 120 µA
I
OUT
= 200 mA, T
J
= −40°C to +125°C 220 µA
SHUTDOWN CURRENT I
GND-SD
EN1= EN2 = GND 0.1 µA
EN1= EN2 = GND, T
J
= −40°C to +125°C 2 µA
FIXED OUTPUT VOLTAGE ACCURACY V
OUT
−1 +1 %
100 µA < I
OUT
< 200 mA, V
IN
= (V
OUT
+ 0.5 V) to
5.5 V, T
J
= −40°C to +125°C
−2 +2 %
LINE REGULATION ∆V
OUT
/∆V
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 −0.03 +0.03 %/V
LOAD REGULATION
1
∆V
OUT
/∆I
OUT
I
OUT
= 1 mA to 200 mA 0.001 %/mA
I
OUT
= 1 mA to 200 mA, T
J
= −40°C to +125°C 0.003 %/mA
DROPOUT VOLTAGE
2
V
DROPOUT
V
OUT
= 3.3 V mV
I
OUT
= 10 mA 7.5 mV
I
OUT
= 10 mA, T
J
= −40°C to +125°C 12 mV
I
OUT
= 200 mA 150 mV
I
OUT
= 200 mA, T
J
= −40°C to +125°C 230 mV
START-UP TIME
3
t
START-UP
V
OUT
= 3.3 V, both initially off, enable one 240 µs
V
OUT
= 0.8 V, both initially off, enable one 100 µs
V
OUT
= 3.3 V, one initially on, enable second 180 µs
V
OUT
= 0.8 V, one initially on, enable second
20
µs
ACTIVE PULL-DOWN RESISTANCE t
SHUTDOWN
V
OUT
= 2.8 V, R
LOAD
= ∞, C
OUT
= 1 μF, ADP221 only 80 Ω
CURRENT-LIMIT THRESHOLD
4
I
LIMIT
240 300 440 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
FALL
2.2 2.35 V
Hysteresis
UVLO
HYS
100
mV
OUTPUT NOISE OUT
NOISE
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 3.3 V 56 µV rms
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 2.8 V 50 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 2.5 V 45 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 1.2 V 27 µV rms