AIC3843CSTR datasheet(3/11 Pages) AIC

Part #	AIC3843CSTR

Description	Current-Mode PWM Controller

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Manufacturer	AIC [Analog Intergrations Corporation]

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AIC3843

3

n ELECTRICAL CHARACTERISTICS {V

CC= 15V (see Note 2), -40° C ≦ TA ≦ 85° C, unless

otherwise specified.}

PARAMETERS

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Reference Section

Output Voltage

I

O=1mA

4.9

5

5.1

V

Line Regulation

V

CC=12V to 25V

5

20

mV

Load Regulation

I

O=1mA to 20mA

5

25

mV

Temperature Coefficient of

Output Voltage

0.2

0.4

mV/

°C

Output Noise Voltage

f =10Hz to 10KHz

50

µV

Output Voltage Long Term

Drift

After 1000H at TA=25°C

5

25

mV

Short Circuit Output Current

-30

-85

-180

mA

Oscillator Section

Oscillator Frequency (see

Note 3)

47

52

57

KHz

Frequency Change with

Supply Voltage

VCC=12V to 25V

0.2

1

%

Frequency Change with

Temperature

TA=TLOW to THIGH

5

%

Peak-to-Peak Amplitude at

RT/CT

1.7

V

Error Amplifier Section

Feedback Input Voltage

COMP at 2.5V

2.42

2.50

2.58

V

Input Bias Current

-0.3

-2

µA

Open-Loop Voltage

Amplification

VO=2V to 4V

65

90

dB

Gain-Bandwidth Product

0.7

1

MHz

Supply Voltage Rejection

Ratio

VCC=12V to 25V

60

70

dB

Output Sink Current

VFB at 2.7V, COMP at 1.1V

2

10

mA

Output Source Current

VFB at 2.3V, COMP at 5V

-0.5

-1

mA

High-Level Output Voltage

VFB at 2.3V, RL=15KΩ to GND

5

6.2

V

Low-Level Output Voltage

VFB at 2.7V, RL=15Ω to VREF

0.8

1.1

V

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