KA7577 Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

KA7577

SMPS controller

Fairchild Semiconductor 

Electrical Characteristics

(VCC=18V, TA = 25°C , unless otherwise specified)

Parameter

VF SECTION

Duty Ratio of CLM Operating

VF Voltage at Timer Operating Start

VF Terminal Input Current

OUTPUT SECTION

Low Output Voltage

High Output Voltage

Rise Time

Fall Time

THERMAL PROTECTION SECTION

Thermal protection Operating

Temperature

Symbol

Conditions

K

V(VF)

I(VF)

VF = 0.2V

Max On Duty/

Min Off Duty

-

-

VOL1

VOL2

VOL3

VOL4

VOH1

VOH2

TR

TF

VCC = 18V, IO = 10mA

VCC = 18V, IO = 100mA

VCC = 5V, IO = 1mA

VCC = 5V, IO = 100mA

VCC = 18V, IO = -10mA

VCC = 18V, IO = -100mA

No load

No load

T(TP)

-

KA7577

Min. Typ. Max. Unit

11 13.7 22

-

2.7 3.0 3.3 V

-

2

6 µA

- 0.05 0.4 V

- 0.7 1.4 V

- 0.69 1.0 V

- 1.3 2.0 V

16.0 16.5 -

V

15.5 16.0 -

V

-

50

-

ns

-

35

-

ns

120 140 160 °C

5

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