AIC3842CS Ver la hoja de datos (PDF) - Analog Intergrations

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AIC3842CS

Current-Mode PWM Controller

Analog Intergrations 

AIC3842

n ELECTRICAL CHARACTERISTICS {VCC= 15V (see Note 2), Ta=25°C, unless otherwise

specified.}

PARAMETERS

CONDITIONS

MIN. TYP. MAX. UNIT

Reference Section

Output Voltage

Line Regulation

Load Regulation

Temperature Coefficient of

Output Voltage

Output Noise Voltage

Output Voltage Long-Term

Drift

Short-Circuit Output Current

IO=1mA

VCC=12V to 25V

IO=1mA to 20mA

f=10Hz to 10KHz

After 1000H at TA=25°C

4.9

5

5.1

V

5

20

mV

5

25

mV

0.2

mV/°C

50

µV

5

mV

85

mA

Oscillator Section

Oscillator Frequency (see

Note 3)

Frequency Change with

Supply Voltage

Frequency Change with

Temperature

Peak-to-Peak Amplitude at

RT/CT

VCC=12V to 25V

TA=TLOW to THIGH

47

52

57

KHz

0.2

%

5

%

1.7

V

Error Amplifier Section

Feedback Input Voltage

Input Bias Current

Open-Loop Voltage

Amplification

Gain-Bandwidth Product

Supply Voltage Rejection

Ratio

Output Sink Current

Output Source Current

High-Level Output Voltage

Low-Level Output Voltage

COMP at 2.5V

VO=2V to 4V

2.42 2.50

-0.3

90

1

VCC=12V to 25V

70

VFB at 2.7V, COMP at 1.1V

10

VFB at 2.3V, COMP at 5V

1

VFB at 2.3V, RL=15KΩ to GND

6.2

VFB at 2.7V, RL=15Ω to VREF

0.8

2.58

V

µA

dB

MHz

dB

mA

mA

V

V

3

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