FAN8741 데이터 시트보기 (PDF) - Fairchild Semiconductor

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FAN8741

Spindle Motor and 6-CH Driver [Spindle(PWM), Sled 2-CH(PWM) 4-CH(Linear)]

Fairchild Semiconductor 

ELECTRICAL CHARACTERISTICS (Ta = 25°c)

(Ta=25°C, SVCC1=VDD=PVCC1=VM2=5V,VM1=SVCC2=PVCC2=PVCC3=12V unless otherwise noted)

Parameter

Condition

Min. Typ. Max. Units

COMMON PART

Quiescent Circuit Current 1

Mute1=L, Mute2=L

-

1

-

mA

-

1

-

Quiescent Circuit Current 2

Mute1=L, Mute2=H

- 1.5 -

mA

- 9.5 -

Quiescent Circuit Current 3

Mute1=H, Mute2=H

-

4

-

mA

-

13

-

Mute Low Voltage

MUTE=variation

-

-

0.8

V

Mute High Voltage

MUTE=variation

3.0 -

-

V

Mute Input Current

MUTE=5V

- 130 -

µA

Charge Pump Voltage 1

Charge Pump Voltage 2

THERMAL SHUTDOWN

IPUMP=0mA

IPUMP=-1mA

Operating Temperature*

-

Hysteresis Temperature*

-

-

19

-

V

-

18

-

V

- 150 -

oC

-

25

-

oC

SPINDLE DRIVE PART

Control Input Deadzone11

SPIN>VREF

20 50 100 mV

Control Input Deadzone12

SPIN<VREF

-100 -50 -20 mV

Control Voltage Input Range

0

-

5

V

Output Gain

Output On Resistance(upper)

GMSP=GVO/RCSSP,

RCSSP=0.33Ω, GVO=1[V/V]

Io=500mA

2.55 3.0 3.45 A/V

- 0.4 -

Ω

Output On Resistance(lower)

Io=500mA

- 0.4 -

Ω

Output Limit Current

RCSSP=0.33Ω

Hall Amp Common Mode Input Range -

- 1.5 -

A

1

-

4

V

Minimum Hall Input Level*

-

50

-

-

mV

Hall Bias Output Voltage

Hall Bias Input Current

IHB=10mA

0.5 1.0 1.5

V

-

1

5

µA

FG Low Voltage

DIR Low Voltage

SLED DRIVE PART

IFG=3mA

IDIR=3mA

-

-

0.5

V

-

-

0.5

V

Control Input Deadzone21

SLIN1/SLIN2 > VREF

0

15 30

mV

Control Input Deadzone22

SLIN1/SLIN2 < VREF

-30 -15 0

mV

Output Gain

Output On Resistance(upper)

GMSL=GVO/RCSSL,

RCSSL=1Ω, GVO=1[V/V]

Io=250mA

0.85 1.0 1.15 A/V

- 1.0 -

Ω

Output On Resistance(lower)

Io=250mA

- 1.0 -

Ω

Output Limit Current

RCSSL=1Ω

- 0.5 -

A

* : Design guarantee specification

9

FAN8741/FAN8742 Rev. 1.0.1

www.fairchildsemi.com

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