KA3082N datasheet(7/12 Pages) FAIRCHILD

Numer części	KA3082N

Szczegółowy opis	Bi-directional DC Motor Driver

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Producent	FAIRCHILD [Fairchild Semiconductor]

Strona internetowa	http://www.fairchildsemi.com

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FAN8082 (KA3082N)

7

3. LOGIC SWITCH CIRCUIT

This circuit define reference voltage of output.

When pin #4 is “H” and pin #5 is “L”,

- V1 = Vzd + VbeQ4 + VbeQ5

·=· 8.9V

- V2 = Vbeq 7 + VsatQ6

·=· 0.87V

V1 and V2 are related with the output voltage of the motor and change according to the voltage of pin #3 (VCTL).

4

5

3

SVCC

V1

V2

Q4

Q5

Q6

Q7

VCTL

7.4V

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