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AAT1102

ADVANCED PWM DC-DC CONVERTER WITH INTERNAL SWITCH AND SOFT-START

Advanced Analog Technology, Inc. 

Advanced Analog Technology, Inc.

AAT1102 (BIN2)

ELECTRICAL CHARACTERISTICS

( VDD = SHDN = 3V , FREQ = GND, TC =0o C to 85o C , unless otherwise specified. Typical values are at TC = +25o C )

N-CHANNEL SWITCH

PARAMETER

Current Limit

On-Resistance

Leakage Current

SYMBOL

CONDITIONS

I LIM

R ON

I SWOFF

VDD = 1V, Duty Cycle = 65%

ISW = 1.2A

VSW = 15V

MIN

1.2

TYP MAX UNITS

1.6 2.3 A

0.23 0.50 Ω

0.01 20.00 μA

SOFT-START

PARAMETER

Reset Switch Resistance

Charge Current

SYMBOL

CONDITIONS

VSS = 1.2V

MIN

1.5

TYP

4.0

MAX UNITS

300 Ω

7.0 μA

CONTROL INPUTS

PARAMETER

Input Low Voltage

Input High Voltage

Hysteresis

FREQ Pull-Down Current

SHDN Input Current

SYMBOL

CONDITIONS

MIN

VIL

SHDN, FREQ; VDD = 2.6V

to 5.5V

VIH

SHDN, FREQ; VDD = 2.6V 0.7˙

to 5.5V

VDD

SHDN, FREQ

I FREQ

1.8

I

SHDN

TYP

MAX UNITS

0.3˙

VDD

V

V

0.1˙

VDD

V

5.0 9.0 μA

0.001 1.000 μA

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

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V5.0

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