AAT3223IGU-3.3-T1 datasheet(4/17 Pages) ANALOGICTECH

Part #	AAT3223IGU-3.3-T1

Description	250mA NanoPower??LDO Linear Regulator with Power-OK

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

Direct Link	http://www.analogictech.com

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Electrical Characteristics

V

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

Symbol

Description

Conditions

Min

Typ

Max

Units

V

OUT

DC Output Voltage Tolerance

-2.0

2.0

%

I

OUT

Output Current

V

OUT > 1.2V

250

mA

I

SC

Short-Circuit Current

V

OUT < 0.4V

400

mA

I

Q

Ground Current

V

IN = 5V, No Load

1.1

2.5

µA

I

Q-OFF

Off-Supply Current

V

IN = 5V, EN = Inactive

0.01

1

µA

∆V

OUT/VOUT

Line Regulation

V

IN = 4.0V to 5.5V

0.15

0.4

%/V

V

OUT = 1.8V

1.0

1.65

V

OUT = 2.7V

0.7

1.25

V

OUT = 2.8V

0.7

1.20

∆V

OUT/VOUT

Load Regulation

I

L = 1 to 100mA

V

OUT = 2.85V

0.7

1.20

%

V

OUT = 3.0V

0.6

1.15

V

OUT = 3.3V

0.5

1.00

V

OUT = 2.7V

200

240

V

OUT = 2.8V

190

235

V

DO

Dropout Voltage

1, 2

I

OUT = 100mA

V

OUT = 2.85V

190

230

mV

V

OUT = 3.0V

190

225

V

OUT = 3.3V

180

220

PSRR

Power Supply Rejection Ratio

100Hz

50

dB

T

SD

Over-Temperature Shutdown

140

°C

Threshold

T

HYS

Over-Temperature Shutdown

20

°C

Hysteresis

e

N

Output Noise

350

µV

RMS

T

C

Output Voltage Temperature

80

PPM/°C

Coefficient

POK

TH

POK Trip Threshold

Falling

25°C

87.5

90.5

93.5

-40°C to +85°C

86

95

% of

POK

HYS

POK Hysteresis

1.5

V

OUT

I

POK

POK Off-Current

V

POK = 5.5V, TA = 25°C

100

nA

V

POK

POK Low Voltage

I

POK = 1mA

200

mV

T

POK

POK Delay

V

OUT Rising

1.5

ms

EN

V

IH

EN Input Threshold High

V

IN = 2.5V to 5.5V

2

V

IL

EN Input Threshold Low

V

IN = 2.5V to 5.5V

0.5

I

EN(SINK)

EN Input Leakage

V

ON = 5.5V

0.01

1

µA

AAT3223

250mA NanoPower™ LDO

Linear Regulator with Power-OK

4

3223.2006.03.1.5

1. V

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

2. For V

OUT < 2.3V, VDO = 2.5V - VOUT.

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