KA3882E Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

KA3882E

SMPS Controller

Fairchild Semiconductor 

KA3882E/KA3883E

Absolute Maximum Ratings

Parameter

Supply voltage

Output current

Analog inputs (pin2, 3)

Error amp. output sink current

Power dissipation

Thermal resistance, junction-to-air

(Note4)

8-SOP

8-DIP

Storage temperature

Symbol

VCC

IO

VI(ANA)

ISINK(EA)

PD

Rθja

Tstg

Value

30

+1

-0.3 to 6.3

10

1

280

95

-65 ~ 150

Unit

V

A

V

mA

W

°C/W

°C

Electrical Characteristics

(VCC = 15V, RT = 10kΩ, CT = 3.3nF, TA = 0°C to +70°C, Unless otherwise specified)

Parameter

REFERENCE SECTION

Output voltage

Line regulation

Load regulation

Output short circuit

OSILLATOR SECTION

Initial accuracy

Voltage stability

Amplitude

Discharge current

CURRENT SENSE SECTION

Gain

Maximum input signal

PSRR

Input bias current

Delay to output

Symbol

Conditions

VREF

RLine

RLOAD

ISC

TJ = 25°C, IO = 1mA

VCC = 12V to 25V

IO = 1mA to 20mA

Ta = 25°C

FOSC

STV

VOSC

IDISCHG

TJ = 25°C

VCC = 12V to 25V

VPIN4, peak to peak

TJ = 25°C

GV

VI(MAX)

PSRR

IBIAS

TD

(Note2, 3)

VPIN1 = 5V(Note2)

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

VSENSE = 0V

VPIN3 = 0 V to 2V (Note1)

Min. Typ. Max. Unit

4.9 5.0 5.1 V

-

6 20 mV

-

6 25 mV

- -100 -180 mA

47 52 57 kHz

- 0.2 1 %

- 1.7 -

V

7.8 8.3 8.8 mA

2.85 3 3.15 V/V

0.9 1.0 1.1 V

- 70 - dB

- -2 -10 uA

- 100 200 ns

2

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