KA3030 데이터 시트보기 (PDF) - Fairchild Semiconductor

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KA3030

6-Channel Motor Drive IC

Fairchild Semiconductor 

5. LOADING, CHANGER DRIVE CIRCUITS

OUT1

M

OUT2

D

D

VCTL

LEVEL SHIFT

SPEED

CONTROL

LOGIC

KA3030D

IN

VIN1

IN

VIN2

Notes:

VCTL: When the motor speed control voltage is permitted between 0V ~ 4V, the motor varies its speed.

Between 4V ~ 5V, the motor can be used at constant speed and over 5.8V, the motor should not be used.

Furthermore, when VCC = 5V, CTL voltage should not be permitted to exceed 3V

The logic signals, input from the MCU, is inverted in the inverter and can control the changes of the output properties, that

depend on the input signal. There properties are shown in the table below.

Logic input A

Logic input B

Output type

Logic output A

Logic output B

Pin 6, Pin 19

Pin 7, Pin 20

Pin 3, Pin 11

Pin 4, Pin 12

H

H

L

L

H

L

H

L

On

On

Vr

H(note)

L

Vr

L

H

Notes:

The bias voltage Vr is expressed as below;

Vr

=

V-----C---C-----–-----V----B----E-

2

[

V]

11

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