AAT2511IWP-AA-T1 datasheet(4/20 Pages) ANALOGICTECH

Part #	AAT2511IWP-AA-T1

Description	Dual 600mA, 1MHz Step-Down DC/DC Converter

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Manufacturer	ANALOGICTECH [Advanced Analogic Technologies]

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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 Channels

VIN

Input Voltage

2.7

5.5

V

VIN Rising

2.6

V

VUVLO

UVLO Threshold

Hysteresis

100

mV

VIN Falling

1.8

V

VOUT

Output Voltage Tolerance

IOUT = 0 to 400mA, VIN = 2.7 - 5.5V -3.0

+3.0

%

VOUT

Output Voltage Range

0.6

VIN

V

IQ

Quiescent Current

No Load, 0.6V Adjustable Version,

25

50

µA

Per Channel

ISHDN

Shutdown Current

EN = SGND = GND

1.0

µA

ILIM

P-Channel Current Limit

600

mA

RDS(ON)H

High Side Switch On Resistance

0.45

Ω

RDS(ON)L

Low Side Switch On Resistance

0.4

Ω

ILXLK

LX Leakage Current

VIN = 5.5V, VLX = 0 to VIN,

1µA

EN = SGND = GND

ΔVLinereg

Line Regulation

VIN = 2.7V to 5.5V

0.2

%/V

VFB

FB Threshold Voltage Accuracy

0.6V Output, No Load, TA = 25°C

591

600

609

mV

TS

Start-Up Time

From Enable to Output Regulation

100

µs

FOSC

Oscillator Frequency

TA = 25°C

0.7

1.0

1.5

MHz

TSD

Over-Temperature Shutdown

140

°C

Threshold

THYS

Over-Temperature Shutdown

15

°C

Hysteresis

EN

VEN(L)

Enable Threshold Low

0.6

V

VEN(H)

Enable Threshold High

1.4

V

IEN

Input Low Current

VIN = VFB = 5.5V

-1.0

1.0

µA

AAT2511

Dual 600mA, 1MHz Step-Down DC/DC Converter

4

2511.2006.05.1.4

1. The AAT2511 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.

2. For adjustable version with higher than 2.5V output, please consult your AnalogicTech representative.

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