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LB11961 View Datasheet(PDF) - SANYO -> Panasonic

Part NameDescriptionManufacturer
LB11961 Single-Phase Full-Wave Fan Motor Driver SANYO
SANYO -> Panasonic SANYO
LB11961 Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Ordering number : EN8793B
LB11961
Monolithic Digital IC
Single-Phase Full-Wave
Fan Motor Driver
Overview
The LB11961 is a single-phase bipolar drive motor driver that easily implements direct PWM motor drive systems with
excellent efficiency. The LB11961 is optimal for fan motor drive in personal computer power supply systems and CPU
cooling fan systems.
Features
Single-phase full-wave drive (16V, 1.0A transistors are built in)
Built-in variable speed function controlled by a thermistor input
The LB11961 can implement quiet, low-vibration variable speed control using externally clocked high side transistor
direct PWM drive.
Built-in regenerative diode (Di); only requires a minimal number of external components.
Built-in HB
Minimum speed setting pin (allows full-speed mode operation at startup)
Operates in full-speed mode when the thermistor is removed.
Built-in lock protection and automatic recovery circuits
FG (speed detection) and RD (lock detection) outputs
Built-in thermal shutdown circuit
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. 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 new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) 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.
92111 SY 20110915-S00002/31407 TI PC 20070206-S00002 B8-6878 No.8793-1/7
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