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AAT1106

600mA Step-Down Converter

Skyworks Solutions 

DATA SHEET

AAT1106

600mA Step-Down Converter

Electrical Characteristics

VIN = VEN = 3.6V, TA = 25°C, unless otherwise noted.

Symbol Description

Step-Down Converter

VIN

Input Voltage Range

IQ

Input DC Supply Current

VFB

Regulated Feedback Voltage

IFB

VOUT/

VOUT/VIN

VOUT/

VOUT/IOUT

ILIM

FOSC

TS

RDS(ON)

FB Input Bias Current

Output Voltage Line Regulation

Output Voltage Load Regulation

Maximum Output Current

Oscillator Frequency

Startup Time

P-Channel MOSFET

N-Channel MOSFET

Peak Inductor Current

VEN(L)

VEN(H)

IEN

TSD

THYS

Output Over-Voltage Lockout

Enable Threshold Low

Enable Threshold High

Input Low Current

Over-Temperature Shutdown Threshold

Over-Temperature Shutdown Hysteresis

Conditions

Min Typ Max Units

Active Mode, VFB = 0.5V

Shutdown Mode, VFB = 0V, VIN = 4.2V

TA = 25°C

TA = 0°C  TA  +85°C

TA = -40°C  TA  +85°C

VFB = 0.65V

VIN = 2.5V to 5.5V, IOUT = 10mA

2.5

0.5880

0.5865

0.5850

-30

270

0.08

0.6000

0.11

5.5

400

1.0

0.6120

0.6135

0.6150

30

0.40

V

μA

V

nA

%/V

IOUT = 10mA to 600mA

VIN = 3.0V

VFB = 0.6V

From Enable to Output Regulation

ILX = 300mA

ILX = 300mA

VIN = 3V, VFB = 0.5V,

Duty Cycle <35%

VOVL = VOVL - VFB

600

1.2

1.4

-1.0

0.0015

1.5

100

0.30

0.20

1.20

60

150

15

1.8

0.50

0.45

0.4

1.0

%/mA

mA

MHz

μs



A

mV

V

μA

°C

1. 100% production test at +25°C. Specifications over the temperature range are guaranteed by design and characterization.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

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201970B • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • March 15, 2013

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