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MFG:SANYO  Package Cooled:TSSOP-16  D/C:06+  

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Part Number: LB11967V

 

MFG: SANYO

Package Cooled: TSSOP-16

D/C: 06+

Description: The LB11967V is a single-phase bipolar variable speed fan motor predriver that works with an external PWM signal. A hig...


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LB11967V General Description


The LB11967V is a single-phase bipolar variable speed fan motor predriver that works with an external PWM signal. A highly efficient, quiet and low power consumption motor driver circuit, with a large variable speed, can be implemented by adding a small number of external components.

This device is optimal for driving large scale fan motors (with large air volume and large current) such as those used in servers and consumer products.

LB11967V Maximum Ratings

Parameter Symbol Conditions Ratings Unit
VCC maximum supply voltage VCC max   18 V
OUT pin maximum output current IOUT max   50 mA
OUT pin output withstand voltage VOUT max   18 V
HB maximum output current HB   10 mA

LB11967V Features

` Pre-driver for single-phase full-wave drive
  PNP-EMOS is used as an external power TR, enabling high-efficiency low-consumption drive by means of the low-saturation output and single-phase full-wave drive. (PMOS-NMOS also applicable)
` External PWM input enabling variable speed control
  Separately-excited upper direct PWM (f = 25kHz) control method, enabling highly silent speed control
` Compatible with 12V, 24V, and 48V power supplies
` Current limiter circuit incorporated
  Chopper type current limit at start
` Reactive current cut circuit incorporated
  Reactive current before phase change is cut to enable silent and low-consumption drive.
` Minimum speed setting pin
  Minimum speed can be set with external resistor. The start assistance circuit enables start at extremely low speed.
` Constant-voltage output pin for Hall bias
` Lock protection and automatic reset functions incorporated
` (Rotation speed detection), RD (Lock detection) output

LB11967V Connection Diagram

LB11967V Connection Diagram

LB11967V datasheet

LB11967V
PDF/DataSheet Download

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Related Part Number

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