PRODUCT DATASHEET
AAT3221/2
PowerLinearTM
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
-2.0
150
2.0
%
mA
mA
μA
nA
%/V
VOUT > 1.2V
VOUT < 0.4V
VIN = 5V, No Load
EN = Inactive
VIN = 4.0V to 5.5V
350
1.1
20
2.5
Shutdown Current
ΔVOUT/VOUT*ΔVIN Line Regulation
0.15
1.3
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
0.4
1.72
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
VOUT = 1.5
VOUT = 1.6
VOUT = 1.7
VOUT = 1.8
VOUT = 1.9
VOUT = 2.0
VOUT = 2.3
VOUT = 2.4
VOUT = 2.5
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
VOUT = 2.85
VOUT = 2.9
VOUT = 3.0
VOUT = 3.1
VOUT = 3.3
VOUT = 3.5
ΔVOUT/VOUT
Load Regulation
IL = 1 to 100mA
%
265
255
247
240
235
230
228
225
VDO
Dropout Voltage1, 2
IOUT = 100mA
mV
222
220
220
VEN(L)
VEN(H)
EN Input Low Voltage
EN Input High Voltage
0.8
V
V
VIN = 2.7V to 3.6V
VIN = 5V
2.0
2.4
IEN(SINK)
PSRR
TSD
THYS
eN
EN Input Leakage
VON = 5.5V
100Hz
0.01
50
140
20
350
80
1
μA
dB
°C
Power Supply Rejection Ratio
Over-Temperature Shutdown Threshold
Over-Temperature Shutdown Hysteresis
Output Noise
°C
μVRMS
PPM/°C
TC
Output Voltage Temperature Coefficient
1. VDO is defined as VIN - VOUT when VOUT is 98% of nominal.
2. For VOUT < 2.3V, VDO = 2.5V - VOUT
.
w w w . a n a l o g i c t e c h . c o m
4
3221.2007.11.1.12
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
