Parameter

Symbol

Conditions

Ratings

min

typ

max

Unit

Current drain

12

18

mA

22

40

mA

Saturation voltage

2.1

V

5.0

V

In-phase voltage range

2.0

V

Motor forward rotation

2.0

V

input voltage range

Motor reverse rotation

0

0.3

V

input voltage range

Interphase current variation

Driver stage

–25

0

+25

%

Output stage

–25

0

+25

%

Speed control voltage (off)

Vc1

4.0

V

FC pin

→GND current=5µA

Speed control voltage (on)

Vc2

4.5

V

FC pin

→GND current=0.5mA

Vc3

4.6

V

Closed loop voltage gain

0.44

A/V

Input sensitivity

20

mV

LB1620 Truth Table

LB1620

No.1210-2/6

W phase

→ V phase

V phase

→ W phase

L

H

1

Source

Sink

Forward/Reverse

Control (FRC)

Input

U

H

H

L

W phase

→ U phase

U phase

→ W phase

L

H

2

H

L

L

V phase

→ W phase

W phase

→ V phase

L

H

3

L

L

H

U phase

→ V phase

V phase

→ U phase

L

H

4

L

H

L

V phase

→ U phase

U phase

→ V phase

L

H

5

H

L

H

U phase

→ W phase

W phase

→ U phase

L

H

6

L

H

H

V

W

Input : "H" : Each phase input (1) is more than 0.2V higher than each phase input (2).

"L" : Each phase input (1) is more than 0.2V lower than each phase input (2).

: "L" : 0 to 0.3V