KA3120 Ver la hoja de datos (PDF) - Fairchild Semiconductor

Número de pieza

componentes Descripción

Fabricante

KA3120

SPINDLE & VOICE COIL MOTOR ONE CHIP DRIVER

Fairchild Semiconductor 

PRELIMINARY

KA3120

EQUIVALENT CIRCUITS (Continued)

VCM offset compensation output

VDD

27Ω

#9

20k

Internal

Switch

VCM gain selection input

VDD

27Ω

#12

10k

10k

10k

VCM PWM low input

VDD

27Ω

#14

Internal switch

15.6µ

HDD PRODUCTS

Power on reset part

VDD

27Ω

#11

VDD

27Ω

#10

50k

+

−

Internal

2.5V

VDD

15µ

VCM PWM high input

VDD

27Ω

#13

500µ

Internal switch

VCM PWM filter Capacitor

VCC, 12V

#15

+

−

+

−

+

−

4k

Internal 4V

8

MIC-99D001

January 1999

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