AAT1110_06 datasheet(4/19 Pages) ANALOGICTECH

部件名	AAT1110

功能描述	Fast Transient 800mA Step-Down Converter

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制造商	ANALOGICTECH [Advanced Analogic Technologies]

网页	http://www.analogictech.com

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Electrical Characteristics1

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

Symbol

Description

Conditions

Min

Typ

Max Units

Step-Down Converter

VIN

Input Voltage

2.7

5.5

V

VIN Rising

2.7

V

VUVLO

UVLO Threshold

Hysteresis

100

mV

VIN Falling

1.8

V

VOUT

Output Voltage Tolerance

IOUT = 0 to 800mA,

-3.5

+3.5

%

VIN = 2.7V to 5.5V

VOUT

Output Voltage Range

0.6

VIN

V

IQ

Quiescent Current

No Load, 0.6V Adjustable

27

70

µA

Version

ISHDN

Shutdown Current

EN = AGND = PGND

1.0

µA

ILIM

P-Channel Current Limit

800

1200

mA

RDS(ON)H

High Side Switch On Resistance

0.45

Ω

RDS(ON)L

Low Side Switch On Resistance

0.40

Ω

ΔVLinereg

Line Regulation

VIN = 2.7V to 5.5V

0.1

%/V

VOUT

Out Threshold Voltage Accuracy

0.6V Output, No Load

591

600

609

mV

TA = 25°C

IOUT

Out Leakage Current

0.6V Output

0.2

µA

ROUT

Out Impedance

>0.6V Output

250

k

Ω

TS

Start-Up Time

From Enable to Output

150

µs

Regulation

FOSC

Oscillator Frequency

TA = 25°C

1.0

1.4

2.0

MHz

TSD

Over-Temperature Shutdown Threshold

140

°C

THYS

Over-Temperature Shutdown Hysteresis

15

°C

EN

VEN(L)

Enable Threshold Low

0.6

V

VEN(H)

Enable Threshold High

1.4

V

IEN

Input Low Current

VIN = VOUT = 5.5V

-1.0

1.0

µA

AAT1110

Fast Transient 800mA Step-Down Converter

4

1110.2006.04.1.0

1. The AAT1110 is guaranteed to meet performance specifications over the -40°C to +85°C operating temperature range and is assured

by design, characterization, and correlation with statistical process controls.

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