LB1941T

No.7193-2/4

Allowable Operating Range

at Ta = 25°C

Parameter

Symbol

Conditions

Ratings

Unit

Function-guaranteed voltage

range

VOPR

2.5 to 10

V

Constant-current set range

IOUT

Set with RFG-GND resistance

50 to 500

mA

Input low level voltage

VIL

IN1, IN2

-0.3 to +0.5

V

Input high level voltage

VIH

IN1, IN2

2.0 to 10

V

Electrical Characteristics

at Ta

= 25°C

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Standby Current dissipation

ISTB

VCC = 8.5V

1.0

μA

Constant-current H bridge drive circuit

VO(sat)1

VCC = 3V, IO = 200mA (Upper + Lower side)

0.20

0.35

V

Output saturation voltage

VO(sat)2

VCC = 4V, IO = 400mA (Upper + Lower side)

0.50

0.70

V

Output constant current

IOUT

VCC = 4V, RL = 3Ω, RF = 0.5Ω

375

400

424

mA

Temperature dependence of

output constant current

(reference Ta = 25°C)

ΔIO

VCC = 4V, RL = 3Ω, RF = 0.5Ω *

(Ta = –10 to +60°C)

-2

+2

%

Operating current dissipation

ICC

VCC = 4V, RL = 0Ω, (No load, full drive)

14

21

mA

Thermal protection operating

temperature

TSD

Design target value *

150

180

210

°C

Control input circuit

IIH

VIH = 5.5V, VCC = 5.5V

80

100

μA

Control pin maximum input

current

IIL

VIL = GND

-1

0

μA

Note*: These items are design target values and are not tested.

Package Dimensions

unit : mm (typ)

3245B

SANYO : MSOP8(150mil)

3.0

12

8

0.25

0.65

(0.53)

0.125

020

--20

40

60

100

80

0

100

300

200

500

400

ILB01541

Pd max - Ta

192

Ambient temperature, Ta -

°C

Specified board

Mounted on a board:

114.3mm

×76.1mm×1.6mm glass epoxy resin