No. 5798-2/5

LB1855NM

Parameter

Symbol

Conditions

Ratings

Unit

min

typ

max

Supply current

8

mA

Reference voltage

6.0

6.3

6.6

V

[Saturation voltage]

Upper side

1.5

1.9

V

Lower side

0.8

1.2

V

[Leakage current]

Upper side

50

µA

Lower side

50

µA

[Hall Amplifier]

Input offset voltage

*

–10

+10

mV

Common-mode input voltage range

2.2

V

[Control Amplifier]

Control reference voltage

2.1

2.3

2.5

V

Control Gm

VG

Rf = 1

Ω

1

A/V

Input current

10

µA

[Thermal Shutdown Circuit]

Operating temperature

*

180

°C

Hysteresis

*

15

°C

Note: Items marked with an asterisk (*) are design target values and are not tested.

However, note that certain motors may require output capacitors to prevent oscillation.

Pin Assignment

Block Diagram