ADP322 Analog Devices, ADP322 Datasheet - Page 3

• Manufacturer Part Number: ADP322
• Description: Triple, 200 mA, Low Noise, High PSRR Voltage Regulator
• Manufacturer: Analog Devices

Data Sheet
SPECIFICATIONS
V
C
Table 1.
Parameter
VOLTAGE RANGE
CURRENT
FEEDBACK INPUT CURRENT
VOLTAGE ACCURACY
LINE REGULATION
LOAD REGULATION
DROPOUT VOLTAGE
START-UP TIME
CURRENT LIMIT THRESHOLD
THERMAL SHUTDOWN
IN
IN1
Input Bias Voltage Range
Input LDO Voltage Range
Ground Current with All
Bias Voltage Input Current
Shutdown Current
Output Voltage Accuracy
Feedback Voltage Accuracy
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
= C
/V
Regulators On
(ADP322)
(ADP323)
IN2
OUT1
= V
= C
IN3
1
4
OUT2
= (V
2
3
= C
OUT
OUT3
+ 0.5 V) or 1.8 V (whichever is greater), V
= 1 μF, and T
5
Symbol
V
V
I
I
I
FB
V
V
∆V
∆V
V
T
I
TS
TS
GND
BIAS
GND-SD
LIMIT
START-UP
BIAS
IN1
OUT
FB
DROPOUT
IN
SD
SD-HYS
OUT
OUT
/V
A
/∆V
/∆I
= 25°C, unless otherwise noted.
IN2
/V
OUT
IN
IN3
Conditions
T
T
I
I
I
I
I
I
T
EN1 = EN2 = EN3 = GND
EN1 = EN2 = EN3 = GND, T
100 μA < I
T
100 μA < I
T
V
V
I
I
V
I
I
I
I
V
V
V
third LDO
V
T
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
J
J
J
J
J
J
IN
IN
OUT
OUT
OUT
OUT
OUT
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +125°C
= −40°C to +125°C
rising
= (V
= (V
= 0 μA
= 0 μA, T
= 10 mA
= 10 mA, T
= 200 mA
= 200 mA, T
= 1 mA to 200 mA
= 1 mA to 200 mA, T
= 10 mA
= 10 mA, T
= 200 mA
= 200 mA, T
= 3.3 V
= 3.3 V, all V
= 0.8 V
= 3.3 V, one V
= 0.8 V
OUT
OUT
Rev. A | Page 3 of 24
OUT
OUT
+ 0.5 V) to 5.5 V
+ 0.5 V) to 5.5 V, T
J
< 200 mA, V
< 200 mA, V
= −40°C to +125°C
BIAS
J
J
= −40°C to +125°C
= −40°C to +125°C
J
J
OUT
= −40°C to +125°C
= −40°C to +125°C
OUT
= 2.5 V, EN1, EN2, EN3 = V
initially off, enable any LDO
initially on, enable second or
IN
IN
J
= −40°C to +125°C
= (V
= (V
J
= −40°C to +125°C
J
= −40°C to +125°C
OUT
OUT
+ 0.5 V) to 5.5 V,
+ 0.5 V) to 5.5 V,
BIAS
, I
OUT1
Min
2.5
1.8
−1
−2
0.495
0.490
−0.03
250
= I
OUT2
ADP322/ADP323
Typ
85
120
250
66
0.1
0.01
0.5
0.01
0.001
6
110
240
100
160
20
360
155
15
= I
OUT3
= 10 mA,
Max
220
140
2.5
+1
+2
0.505
0.510
+0.03
9
600
5.5
5.5
160
380
0.005
170
Unit
V
V
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
%
%
V
V
%/ V
%/ V
%/mA
%/mA
mV
mV
mV
mV
mV
μs
μs
μs
μs
mA
°C
°C