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AAT3223IGU-3.0-T1

250mA NanoPower™ LDO Linear Regulator with Power-OK

Advanced Analog Technology, Inc. 

AAT3223

250mA NanoPower™ LDO

Linear Regulator with Power-OK

Electrical Characteristics

VIN = VOUT(NOM) + 1V, IOUT = 1mA, COUT = 1µF, TA = 25°C, unless otherwise noted.

Symbol

VOUT

IOUT

ISC

IQ

IQ-OFF

∆VOUT/VOUT

∆VOUT/VOUT

VDO

PSRR

TSD

THYS

eN

TC

POK

POKTH

POKHYS

IPOK

VPOK

TPOK

EN

VIH

VIL

IEN(SINK)

Description

DC Output Voltage Tolerance

Output Current

Short-Circuit Current

Ground Current

Off-Supply Current

Line Regulation

Load Regulation

Dropout Voltage1, 2

Power Supply Rejection Ratio

Over-Temperature Shutdown

Threshold

Over-Temperature Shutdown

Hysteresis

Output Noise

Output Voltage Temperature

Coefficient

Conditions

VOUT > 1.2V

VOUT < 0.4V

VIN = 5V, No Load

VIN = 5V, EN = Inactive

VIN = 4.0V to 5.5V

VOUT = 1.8V

VOUT = 2.7V

IL = 1 to 100mA

VOUT = 2.8V

VOUT = 2.85V

VOUT = 3.0V

VOUT = 3.3V

VOUT = 2.7V

VOUT = 2.8V

IOUT = 100mA VOUT = 2.85V

VOUT = 3.0V

VOUT = 3.3V

100Hz

Min

-2.0

250

0.15

POK Trip Threshold

POK Hysteresis

POK Off-Current

POK Low Voltage

POK Delay

EN Input Threshold High

EN Input Threshold Low

EN Input Leakage

Falling

25°C

87.5

-40°C to +85°C 86

VPOK = 5.5V, TA = 25°C

IPOK = 1mA

VOUT Rising

VIN = 2.5V to 5.5V

2

VIN = 2.5V to 5.5V

VON = 5.5V

Typ

400

1.1

0.01

0.4

1.0

0.7

0.7

0.7

0.6

0.5

200

190

190

190

180

50

140

20

350

80

90.5

1.5

1.5

0.01

Max

2.0

2.5

1

%/V

1.65

1.25

1.20

1.20

1.15

1.00

240

235

230

225

220

Units

%

mA

mA

µA

µA

%

mV

dB

°C

°C

µVRMS

PPM/°C

93.5

95

100

200

% of

VOUT

nA

mV

ms

V

0.5

1

µA

1. VDO is defined as VIN - VOUT when VOUT is 98% of nominal.

2. For VOUT < 2.3V, VDO = 2.5V - VOUT.

4

3223.2006.03.1.5

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