AAT3221/2
150mA NanoPower™ LDO Linear Regulator
Electrical Characteristics
VIN = VOUT(NOM) + 1V, IOUT = 1mA, COUT = 1µF, TA = 25°C, unless otherwise noted.
Symbol Description
Conditions
Min
Typ Max Units
VOUT
IOUT
ISC
IQ
ISD
DC Output Voltage Tolerance
Output Current
Short-Circuit Current
Ground Current
Shutdown Current
-2.0
150
2.0
%
VOUT > 1.2V
VOUT < 0.4V
VIN = 5V, No Load
EN = Inactive
mA
mA
µA
nA
350
1.1
20
2.5
0.4
∆VOUT
VOUT*∆VIN
/
Line Regulation
VIN = 4.0V to 5.5V
0.15
%/V
VOUT = 1.6
VOUT = 1.7
VOUT = 1.8
VOUT = 1.9
VOUT = 2.0
VOUT = 2.3
VOUT = 2.4
VOUT = 2.5
1.2
1.1
1.0
1.0
0.9
0.8
0.8
0.8
0.8
0.7
0.7
0.7
0.7
0.6
0.6
0.5
0.5
230
220
210
205
200
190
190
190
190
188
180
180
1.69
1.67
1.65
1.62
1.58
1.45
1.40
1.35
1.30
1.25
1.20
1.20
1.18
1.15
1.06
1.00
1.00
275
265
255
247
240
235
230
228
225
222
220
220
∆VOUT/VOUT Load Regulation
IL = 1 to 100mA VOUT = 2.6
VOUT = 2.7
%
VOUT = 2.8
VOUT = 2.85
VOUT = 2.9
VOUT = 3.0
VOUT = 3.1
VOUT = 3.3
VOUT = 3.5
VOUT = 2.3
VOUT = 2.4
VOUT = 2.5
VOUT = 2.6
VOUT = 2.7
VOUT = 2.8
VDO
Dropout Voltage1, 2
IOUT = 100mA
mV
VOUT = 2.85
VOUT = 2.9
VOUT = 3.0
VOUT = 3.1
VOUT = 3.3
V
OUT = 3.5
1. VDO is defined as VIN - VOUT when VOUT is 98% of nominal.
2. For VOUT < 2.3V, VDO = 2.5V - VOUT
.
4
3221.2005.12.1.11
AAT [ ADVANCED ANALOG TECHNOLOGY, INC. ]
