LB1943N データシートの表示（PDF） - SANYO -> Panasonic

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LB1943N

Monolithic Digital IC VCR Loading Motor Variable Output Forward/Reverse Motor Driver

SANYO -> Panasonic 

Truth Table

Input

IN1

IN2

H

H

M

H

L

H

H

M

M

M

L

M

H

L

M

L

L

L

H: high level, M: mid level, L: low level

LB1945D

Output voltage

OUT1

OUT2

L

Full

L

VC × 2

L

VC × 2

off

off

off

off

off

off

Full

L

VC × 2

L

VC × 2

L

Operation

Forward (reverse) mode

Forward (reverse) mode

Forward (reverse) mode

Break

Break

Break

Reverse (forward) mode

Reverse (forward) mode

Reverse (forward) mode

Input levels

VH: 4.2V or higher

VM: 2.0V to 3.0V

VL: Under 1.0V

When IN1 or IN2 is open, that input will go to the 2.5V level. Operation is equivalent to that of the LB1641.

Pin Functions

Pin No.

Pin

1

GND

3

IN1

Description

• Common ground for the power signal

systems

• Output voltage switching input

• When the input is open, VM will

become about 2.5V.

VCC1

Equivalent Circuit

75kΩ

25μA

6.4V

19kΩ

3

13kΩ

GND

4

IN2

• Forward/reverse/brake switching

input

• When the input is open, VM will

become about 2.5V.

VCC1

4

75kΩ

25μA

6.4V

19kΩ

13kΩ

GND

Continued on next page.

No.7101-4/6

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