AIC1648CGBG datasheet(3/10 Pages) AIC

Part #	AIC1648CGBG

Description	Built-in OVP White LED Step-Up Converter

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Manufacturer	AIC [Analog Intergrations Corporation]

Direct Link	http://www.analog.com.tw

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3 / 10 page

AIC1648

ELECTRICAL CHARACTERISTICS

(VSHDN=3V, VIN=3V, TA=25°C, unless otherwise specified.) (Note 1)

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Minimum Operating Voltage

VIN

2.5

V

Maximum Operating Voltage

VIN

5.5

V

Switching

1

5

mA

Non switching

70

100

Supply Current

IIN

VSHDN= 0V

0.1

1.0

µA

ERROR AMPLIFIER

Feedback Voltage

VFB

85

95

105

mV

FB Input Bias Current

IFB

VFB=95mV

1

nA

OSCILLATOR

Switching Frequency

fOSC

0.8

1.2

1.6

MHz

Maximum Duty Cycle

DC

85

90

%

POWER SWITCH

SW ON Resistance

RDS(ON)

1.4

5

Ω

Switch Leakage Current

ISW(OFF) VSW=33V

0.1

1

µA

CONTROL INPUT

SHDN

Voltage High

VIH

ON

1.5

V

SHDN

Voltage Low

VIL

OFF

0.3

V

OVER VOLTAGE PROTECTION

OVP Input Resistance

ROVP

0.6

1.2

1.8

M

Ω

OVP Threshold

VOVP

1V Hysteresis typical

22

27

32

V

Note 1: Specifications are production tested at TA=25°C. Specifications over the -40°C to 85°C operating

temperature range are assured by design, characterization and correlation with Statistical Quality

Controls (SQC).

3

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