KA3882CD datasheet(2/6 Pages) FAIRCHILD

部件名	KA3882CD

功能描述	SMPS Controller

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制造商	FAIRCHILD [Fairchild Semiconductor]

网页	http://www.fairchildsemi.com

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2 / 6 page

KA3882C/KA3883C

2

Absolute Maximum Ratings

Electrical Characteristics

(VCC = 15V, RT = 10k

Ω, CT = 3.3nF, TA = 0°C to +70°C ,Unless otherwise specified)

Parameter

Symbol

Value

Unit

Supply Voltage

VCC

30

V

Output Current

IO

±1

A

Analog Inputs (pin 2, 3)

VI(ANA)

-0.3 to 6.3

V

Error Amp. Output Sink Current

ISINK(EA)

10

mA

Power Dissipation

PD

1W

Thermal Resistance, Junction-to-Air (Note4)

8-SOP

8-DIP

R

θja

280

95

°C/W

Storage Temperature

Tstg

-65 ~ 150

°C

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

REFERENCE SECTION

Output Voltage

VREF

TJ = 25

°C, IO = 1mA

4.9

5.0

5.1

V

Line Regulation

∆VREF

VCC = 12V to 25V

-

6

20

mV

Load Regulation

∆VREF

IO = 1mA to 20mA

-

6

25

mV

Output Short Circuit

ISC

Ta = 25

°C

-

-100

-180

mA

OSILLATOR SECTION

Initial Accuracy

FOSC

TJ = 25

°C47

52

57

kHz

Voltage Stability

STV

VCC = 12V to 25V

-

0.2

1

%

Amplitude

VOSC

VPIN4, Peak to Peak

-

1.7

-

V

Discharge Current

IDISCHG

TJ = 25

°C, Pin4 = 2V

7.8

8.3

8.8

mA

CURRENT SENSE SECTION

Gain

GV

(Note2, 3)

2.85

3

3.15

V/V

Maximum Input Signal

VI(MAX)

VPIN1 = 5V(Note2)

0.9

1.0

1.1

V

PSRR

VCC = 12V to 25V (Note1, 2)

-

70

-

dB

Input Bias Current

IBIAS

-

-2

-10

uA

Delay to Output

TD

VPIN3 = 0 V to 2V (Note1)

-

100

200

ns

类似零件编号 - KA3882CD

制造商	部件名	数据表	功能描述
Fairchild Semiconductor	KA3882CD	43Kb / 6P	SMPS Controller
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