LB11693 データシートの表示（PDF） - SANYO -> Panasonic

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LB11693

Three-Phase Brushless Motor Driver for 24 V Fan Motors

SANYO -> Panasonic 

Pin Functions

Pin No. Symbol

Function

28

OUT1

1

OUT2 Motor drive outputs

2

OUT3

3

GND2 Motor drive output system ground

LB11693

VCC

Equivalent circuit

300 Ω

VD 4

VM

6

4

VD Low side output transistor drive current supply

Motor drive output power supply and output current

detection

6

VM

Connect the resistor Rf between this pin and VCC.

The output current will be limited to the current value set

by the equation IOUT = VRF/Rf.

5

VCC

Power supply for systems other than the motor drive

output

VCC

1 2 28

3

5 V regulator output

7

7

VREG Insert a capacitor (about 0.1 µF) between this pin and

ground for stabilization.

Undervoltage protection voltage detection

8

LVS

To detect VREG, connect this pin to VREG.

To detect VCC, set the detection voltage by inserting a

zener diode in series.

VREG

VREG

FG filter connection

9

FGFIL This pin is normally left open. If noise on the FG signal is a

problem, insert a capacitor between this pin and ground.

52 kΩ

8

9.5 kΩ

300 Ω

9

Continued on next page.

No.8095-5/12

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