AAT1102-M-T View Datasheet(PDF) - Advanced Analog Technology, Inc.

Part Name

Description

View to exact match

AAT1102-M-T

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 = +25oC )

PARAMETER

Input Supply Voltage

Range

VDD Under Voltage

Lockout

Quiescent Current

Shutdown Current

SYMBOL

VDD

CONDITIONS

MIN TYP MAX UNITS

2.6

5.5 V

When VDD is rising, typical

UVLO hysteresis is 40mV; SW 2.25 2.38 2.52 V

remains off below this level

I DD

VIN = 1.3V, not switching

VIN = 1.0V, switching

0.21 0.35

mA

1.2 5.0

I SC

SHDN = GND

0.1 10.0 μA

ERROR AMPLIFIER

PARAMETER

Feedback Voltage

VDD Input Bias Current

Feedback-Voltage Line

Regulation

Transconductance

Voltage Gain

SYMBOL

VIN

I IN

gm

AV

CONDITIONS

Level to produce VEO

1.24V

VIN= 1.24V

Level to produce VEO

1.24V,

2.6V < VDD < 5.5V

ΔI = 5 μA

MIN

= 1.228

=

70

TYP

1.240

0

0.05

105

1,500

MAX

1.254

40

0.15

240

UNITS

V

nA

%/V

μA /V

V/V

OSCILLATOR

PARAMETER

Frequency

Maximum Duty Cycle

SYMBOL

f OSC

D MAX

CONDITIONS

FREQ = GND

FREQ = VDD

FREQ = GND

FREQ = VDD

MIN

540

1,100

79

TYP

640

1,320

85

85

MAX UNITS

740

1,600 kHz

92

%

– 台灣類比科技股份有限公司 –

– Advanced Analog Technology, Inc. –

Page 3 of 18

V5.0

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