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MFG:SANYO  Package Cooled:N/A  D/C:05+  

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Part Number: LB11961

 

MFG: SANYO

Package Cooled: N/A

D/C: 05+

Description: The LB11961 is a single-phase bipolar drive motor driver that easily implements direct PWM motor drive...


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LB11961 General Description


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

LB11961 Maximum Ratings

Parameter Symbol Conditions Ratings Unit
VCC maximum output voltage VCC max   18 V
OUT pin maximum output
current		 IOUT max   1.0 A
OUT pin output voltage VOUT max   18 V
HB maximum output current IHB max   10 mA
VTH input pin voltage VTH max   6 V
RD/FG output pin output voltage VRD/FG max   18 V
RD/FG output current IRD/FGmax   10 mA
Allowable power dissipation Pd max When mounted on a circuit board *1 1.1 W
Operating temperature Topr   -30 to +90 °C
Storage temperature Tstg   -55 to +150 °C
*1 Specified circuit board : 114.3 × 76.1 × 1.6mm3, glass epoxy.

LB11961 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

LB11961 datasheet

LB11961
PDF/DataSheet Download

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