LB11923V データシートの表示（PDF） - ON Semiconductor

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LB11923V

Three-Phase Brushless Motor Driver

ON Semiconductor 

LB11923V

PIN FUNCTIONS (continued)

Pin No.

Pin

Functions

23

FGIN+ FG amplifier input

24

FGIN−

VCC1

Equivalent Circuit

500 W

FGOUT

25

FGOUT FG amplifier output

This pin is connected to the FG Schmitt

comparator circuit internally in the IC.

500 W

23

VCC1

500 W

24

25

27

RF GND Output current detection

Connect a resistor between this pin and ground.

FG Schmitt comparator

VCC1

27

28

RF

Output current detection

Connect a resistor between this pin and ground.

The output limitation maximum current, IOUT, is

set to be 0.26/Rf by this resistor.

VCC1

28

29

GND1 Control block ground

30

GND2 Output block ground

31

UL

Outputs (that are used to drive external

32

UH

transistors).

33

VL

The PWM duty is controlled on the UH, VH, and

34

VH

WH side of these outputs.

35

WL

36

WH

VCC2

37

VCC2

Output block power supply

38

VCC1

Control block power supply

Short VCC1 to VCC2 and, for stability, insert

a capacitor between these pins and ground.

www.onsemi.com

13

31 33 35

32 34 36

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