LB8655T

No.8084-4/5

True Value Table

(1) DC motor constant voltage control for ZOOM

Input

Output

INA

INB

OUTA

OUTB

VREF

Mode

L

L

-

-

-

Standby

H

L

H

L

Forward evolution

L

H

L

H

Reverse rotation

H

H

L

L

ON

Brake

(*): Don’t care.

(-): Output OFF

H: Constant voltage output is 5 times the VC pin applied voltage.

(2) AF/SH/AE constant current control

Input

Output

EN

MD1

MD2

IN1

IN2

OUT1

OUT2

OUT3

OUT4

OUT5

OUT6

VREF

Mode

L

L

L

L

L

-

-

-

-

-

-

-

Standby (0

µA)

L

*

*

*

*

-

-

-

-

-

-

-

Output interruption

L

*

L

H

-

-

-

-

H

L

L

H

*

H

L

-

-

-

-

SH

L

L

-

-

-

-

-

-

H

L

-

-

-

H

L

-

L

H

-

-

-

L

H

-

H

H

L

H

H

-

-

-

-

-

-

AE

(VCM)

L

L

-

-

-

-

H

L

H

L

-

H

L

-

-

-

H

H

-

-

-

-

L

H

H

L

H

L

H

-

L

H

-

-

-

AF

(1-phase excitation)

L

L

-

L

H

-

H

L

H

L

-

H

L

-

H

L

H

H

-

H

L

-

L

H

H

H

H

L

H

-

L

H

-

L

H

ON

AF

(2-phase excitation)

(*): Don’t care.

(-): Output OFF

L: Constant current output

Note: When the current flows from OUT1 to OUT2, easy constant current output function is ON.

The output current is controlled by the resistance value connected between the ILM pin and GND.