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Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer
's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer
'sproductsor
equipment.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
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instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
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40407 TI PC B8-4954 No.7101-1/6
LB1943N
Overview
The LB1943N is a variable output forward/reverse motor driver that is optimal for driving motors such as the loading
motor in VCR decks.
Functions
Variable output forward/reverse motor driver
Built-in thermal protection circuit
Built-in reference voltage circuit (6.35V, typical)
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
18
V
Maximum input voltage
VIN max
VCC >VIN
-0.3 to +6
V
Maximum output current
IOUT max
±1.6
A
Allowable power dissipation
Pd max
1.2
W
Operating temperature
Topr
-25 to +75
°C
Storage temperature
Tstg
-55 to +125
°C
Allowable Operating Range at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
VCC1
8.0 to 18
V
Supply voltage range
VCC2
VCC1 ≥ VCC2
5 to 18
V
Forward to reverse operation
disallowed period
Toff
20 or more
μs
Monolithic Digital IC
VCR Loading Motor
Variable Output Forward/Reverse
Motor Driver
Ordering number : EN7101