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PDF LB11970FV Data sheet ( Hoja de datos )
| Número de pieza | LB11970FV | |
| Descripción | Monolithic Digital IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LB11970FV (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Ordering number : ENA0707
Monolithic Digital IC
LB11970FV For Fan Motor
Single-phase Full-wave Driver
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The LB11970FV is a single-phase full-wave driver for fan motor.
Functions
• Single-phase full-wave drive (16V to 1.2A output transistor incorporated)
• Variable speed function using thermistor input and external signal incorporated
→Enables silent and low-vibration variable speed control through direct PWM control with separately-excited upper Tr
• Current limiter circuit (limit at IO=480mA with RL=1Ω connection, the limiter value determined with Rf)
• Kick-back absorption circuit incorporated
• Low-consumption, low-loss, and low-noise drive enabled by the soft switching circuit during phase shift
• Regeneration Di incorporated with less external parts
• HB incorporated
• Lock protection and automatic reset functions incorporated
• FG (rotation detection) output
• Thermal shutdown circuit incorporated
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
VCC maximum supply voltage
VM maximum supply voltage
OUT pin maximum output current
OUT pin output withstand voltage
Symbol
VCC max
VM max
IOUT max
VOUT max
Conditions
Ratings
Unit
17 V
17 V
1.2 A
18 V
Continued on next page.
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.
30707 MS IM B8-8588, B8-8433 No.A0707-1/7
1 page  
Application Circuit Example
LB11970FV
www.DataSheet4U.com
R6
PWM-IN
R4
R5
RTU
*3
TH
*4 Rf
VCC
HB
*8
H IN-
*5
IN+
*3-3
*3-1 R1
R2
R7
R8
R3
CP=100pF
*f=25kHz
*6
CT=0.47 to 1µF
6VREG
PIN
WH
WL
RMI
VTH
CPWM
CT
SGND
CM
VM *2
*7
FG
C=2200 to 4700pF
R=20 to 50Ω
OUT1
OUT2
PGND
*3-2
R1
R2
*1
R3
WH
WL
No.A0707-5/7
5 Page | ||
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| PDF Descargar | [ Datasheet LB11970FV.PDF ] | |
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