LB1998 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LB1998

Three-Phase Brushless Motor Driver for CD-ROM Spindle Drive

SANYO -> Panasonic 

Sample Application Circuit

LB1998

Control voltage

1 VCIN

Gain switching SW(0V or VCC1)

2 RIN1

Gain switching SW(0V or VCC1)

3 RIN2

Gain switching SW(0V or VCC1)

4

Applying VCC1 to each pin

activates load between

ROUT-VCIN

5

RIN3

SIG GND

S/S

6 S/S

Brake mode switching

7 BRAKE

ROUT3 28

ROUT2 27

ROUT1 26

FGSEL 25

FC 24

VCREF 23

WOUT 22

LB1998

PWR GND

PWR GND

1/3 Hall FG switching

0V or Open:1 Hall FG

VCC1

:3 Hall FG

0.1µF

Control reference voltage

0.1µF

FG output

Reverse detection

8 FG

9 RS

10 VH

11 WIN1

0.033µF 12 WIN2

13 VIN1

0.033µF 14 VIN2

VOUT 21

UOUT 20

VCC2 19

RF 18

0.1µF

0.1µF

Motor power supply voltage

12V

0.1µF

VCC1 17

UIN2 16

0.1µF

Power supply voltage

5V

UIN1 15 0.033µF

Hall

element

A11195

No. 5979-6/9

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