LB1813M 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LB1813M

FDD Spindle Motor Driver

SANYO -> Panasonic 

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Pin No.

28

Symbol

S/S

Pin voltage

High : 2.0V min

Low : 0.8V max

29

DO

LB1813M

Unit (resistance : Ω)

Equivalent circuit

Pin function

• Start/Stop changeover pin.

Low level active.

• Speed discriminator output pin.

30

IAI

31

IAO

32

VID

33

VCC

34

Rf

35

UOUT

• Integrated amplifier input pin.

• Integrated amplifier output pin.

• Index pulse output and index delay pulse output power

supply pin.

For applications when VCC equals 5V, VCC=VID=5V.

• Total power supply voltage pin except for VID.

Voltage must be stable and free of ripple and noise

interference.

• Output current detection pin.

By installing an Rf resistor between this pin and VCC,

output current is detected as voltage. Voltage detection

at this pin activates the current limitter.

• U-phase output pin.

36 Pow GND

1

Sub GND

2

VOUT

3

WOUT

4

AGC

• Output transistor ground pin.

• Ground pin. Ground as with pins 19 and 36.

• V-phase output pin.

• W-phase output pin.

• AGC (Automatic gain control) pin.

Confrds Hall-efffect amplifier gain in response to Hall-

effect input-frequnecy.

No.4183-6/8

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