Datasheet

ADP320
Rev. A | Page 3 of 20
SPECIFICATIONS
V
IN1
/V
IN2
= V
IN3
= (V
OUT
+ 0.5 V) or 1.8 V (whichever is greater), V
BIAS
= 2.5 V, EN1, EN2, EN3 = V
BIAS
, I
OUT1
= I
OUT2
= I
OUT3
= 10 mA,
C
IN
= C
OUT1
= C
OUT2
= C
OUT3
= 1 µF, and T
A
= 25°C, unless otherwise noted.
Table 1.
Parameter Symbol Conditions Min Typ Max Unit
INPUT BIAS VOLTAGE RANGE V
BIAS
T
J
= −40°C to +125°C 2.5 5.5 V
INPUT LDO VOLTAGE RANGE V
IN1
/V
IN2
/ V
IN3
T
J
= −40°C to +125°C 1.8 5.5 V
GROUND CURRENT WITH ALL
REGULATORS ON
I
GND
I
OUT
= 0 µA 85 µA
I
OUT
= 0 µA, T
J
= −40°C to +125°C 160 µA
I
OUT
= 10 mA 120 µA
I
OUT
= 10 mA, T
J
= −40°C to +125°C 220 µA
I
OUT
= 200 mA 250 µA
I
OUT
= 200 mA, T
J
= −40°C to +125°C 380 µA
INPUT BIAS CURRENT I
BIAS
66 µA
T
J
= −40°C to +125°C 140 µA
SHUTDOWN CURRENT I
GND-SD
EN1 = EN2 = EN3 = GND 0.1 µA
EN1 = EN2 = EN3 = GND, T
J
= −40°C to +125°C 2.5 µA
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 0.005 %/mA
DROPOUT VOLTAGE
2
V
DROPOUT
V
OUT
= 3.3 V mV
I
OUT
= 10 mA 6 mV
I
OUT
= 10 mA, T
J
= −40°C to +125°C 9 mV
I
OUT
= 200 mA 110 mV
I
OUT
= 200 mA, T
J
= −40°C to +125°C 170 mV
START-UP TIME
3
T
START-UP
V
OUT
= 3.3 V, all V
OUT
initially off, enable one 240 µs
V
OUT
= 0.8 V 100 µs
V
OUT
= 3.3 V, one V
OUT
initially on, enable second 160 µs
V
OUT
= 0.8 V 20 µs
CURRENT LIMIT THRESHOLD
4
I
LIMIT
250 360 600 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
BIAS
≤ 5.5 V 1.2 V
EN Input Logic Low V
IL
2.5 V ≤ V
BIAS
≤ 5.5 V 0.4 V
EN Input Leakage Current V
I-LEAKAGE
EN1 = EN2 = EN3 = V
IN
or GND 0.1 µA
EN1 = EN2 = EN3 = V
IN
or GND, T
J
= −40°C to +125°C 1 µA
UNDERVOLTAGE LOCKOUT UVLO
Input Bias Voltage (VBIAS) Rising UVLO
RISE
2.45 V
Input Bias Voltage (VBIAS) Falling UVLO
FALL
2.0 V
Hysteresis UVLO
HYS
180 mV
OUTPUT NOISE OUT
NOISE
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 3.3 V 63 µV rms
10 Hz to 100 kHz, V
IN
= 5 V, V
OUT
= 2.8 V 55 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 2.5 V 50 µV rms
10 Hz to 100 kHz, V
IN
= 3.6 V, V
OUT
= 1.2 V 29 µV rms