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PDF LB1943N Data sheet ( Hoja de datos )

Número de pieza LB1943N
Descripción Monolithic Digital IC VCR Loading Motor Variable Output Forward/Reverse Motor Driver
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo



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No Preview Available ! LB1943N Hoja de datos, Descripción, Manual

Ordering number : EN7101
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LB1943N
Monolithic Digital IC
VCR Loading Motor
Variable Output Forward/Reverse
Overview
Motor Driver
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
Maximum supply voltage
Maximum input voltage
Maximum output current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VIN max
IOUT max
Pd max
Topr
Tstg
VCC >VIN
Conditions
Ratings
18
-0.3 to +6
±1.6
1.2
-25 to +75
-55 to +125
Unit
V
V
A
W
°C
°C
Allowable Operating Range at Ta = 25°C
Parameter
Supply voltage range
Forward to reverse operation
disallowed period
Symbol
VCC1
VCC2
Toff
VCC1 VCC2
Conditions
Ratings
8.0 to 18
5 to 18
20 or more
Unit
V
V
μs
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
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
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
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
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's products or
equipment.
40407 TI PC B8-4954 No.7101-1/6

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LB1943N pdf
Continued from preceding page.
Pin No.
Pin
Description
6 VC • Output voltage setting
LB1945D
VCC1
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Equivalent Circuit
6
7 Vref • Reference voltage output
Vref = 6.4V
VCC1
GND
7
8
VCC1
• Signal system power supply
9
VCC2
• Power system power supply
2
OUT1
• Motor coil connection
10 OUT2
VCC2
GND
10
OUT2
260Ω
260Ω
2
OUT1
GND
No.7101-5/6

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