LB11988H(2006) Ver la hoja de datos (PDF) - SANYO -> Panasonic

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LB11988H
(Rev.:2006)

Monolithic Digital IC Fan Motor Driver

SANYO -> Panasonic 

Pin Functions

Pin

Pin Name

No.

GND

22

FRAME

FGOUT

25

LB11988H

Input/Output Equivalent Circuit

VCC

VCC

25 FGOUT

Pin Functions

GND for others than the output transistor.

Minimum potential of output transistor is

at RF pin.

FG amplifier output pin.

Resistive load provided internally.

FR

23

VCC

FR 23

200Ω

Forward/Reverse switching pin.

FC

20

VCC

20 FC

Frequency characteristics compensation

pin for over-saturation prevention circuit

loop.

UIN+, UIN- 17,16

VIN+, VIN-

15,12

WIN+,WIN- 11,10

Each (+) input

17

15

11 200Ω

VCC

8

Each (-) input

16

12

200Ω 10

U-phase Hall device input pin;

logic “H” presents IN+>IN-

V-phase Hall device input pin;

logic “H” presents IN+>IN-

W-phase Hall device input pin;

logic “H” presents IN+>IN-

Power supply pin for supplying power to

all circuits expect output section in IC;

this voltage must be stabilized so as to

eliminate ripple and noise.

Continued on next page.

No.A0299-5/8

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