AAT2503 datasheet(4/22 Pages) ANALOGICTECH

Part #	AAT2503

Description	Adjustable 3-Channel Regulator

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

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AAT2503178

Adjustable 3-Channel Regulator

SystemPower

TM

PRODUCT DATASHEET

4

2503.2008.02.1.4

www .analogictech.com

AAT2503178

Adjustable 3-Channel Regulator

SystemPower

TM

PRODUCT DATASHEET

4

2503.2008.02.1.4

www .analogictech.com

Electrical Characteristics1

VIN = 3.6V; TA = -40°C to +85°C, unless otherwise noted. Typical values are TA = 25°C.

Symbol

Description

Conditions

Min

Typ

Max

Units

Bias Power Supply

IQ

Quiescent Current

ENA = ENB = EN = VIN; ILOAD = 0

85

145

μA

ISHDN

Shutdown Current

ENA = ENB = EN = GND

1.0

μA

LDOA, LDOB; IOUT = 150mA

VLDO

Input Voltage

1.62

5.5

V

VOUT

Output Voltage Tolerance

IOUT = 1mA

to 150mA

TA = 25°C

-1.5

1.5

%

TA = -40°C to +85°C

-2.5

2.5

VFB

Feedback Voltage

0.593

0.6

0.607

V

VDO

Dropout Voltage2

IOUT = 150mA

150

mV

ΔVOUT/

VOUT*ΔVIN

Line Regulation3

VIN = VOUT + 1 to 5.0V

0.09

%/V

VEN(L)

Enable Threshold Low

0.6

V

VEN(H)

Enable Threshold High

1.4

V

IOUT

Output Current

150

mA

ISHT

Shutdown Current

VIN = 5V

1.0

μA

TSD

Over-Temperature Shutdown Threshold

140

°C

THYS

Over-Temperature Shutdown Hysteresis

15

°C

LDOA; IOUT = 150mA

VPOK

Power-OK Trip Threshold

VOUT Rising, TA = 25°C

80

90

98

% of VOUT

VPOKHYS

Power-OK Hysteresis

1.0

% of VOUT

VPOK(LO)

Power-OK Output Voltage Low

ISINK = 1mA

0.4

V

IPOK

Power-OK Output Leakage Current

VPOK <5.5V, VOUT in Regulation

1.0

μA

1. The AAT2503 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured by design, characterization, and correla-

tion with statistical process controls.

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

3. CIN = 10μF.

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