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LB11690H

Features: • Three-phase bipolar PWM drive (high and low side n-channel FET drive)• Maximum supply voltage: 45 V• Gate drive voltage: about 10 V (high and low side n-channel FETs)• Hall sensor signal F/V conversion circuit (one-shot multivibrator output)• Synthesized t...

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SeekIC No. : 004390935 Detail

LB11690H: Features: • Three-phase bipolar PWM drive (high and low side n-channel FET drive)• Maximum supply voltage: 45 V• Gate drive voltage: about 10 V (high and low side n-channel FETs)&#...

LB11690H Data Sheet

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Part Number:
LB11690H
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Three-phase bipolar PWM drive (high and low side n-channel FET drive)
• Maximum supply voltage: 45 V
• Gate drive voltage: about 10 V (high and low side n-channel FETs)
• Hall sensor signal F/V conversion circuit (one-shot multivibrator output)
• Synthesized three-phase Hall sensor signal output
• Built-in current limiter and undervoltage protection circuits




Pinout

Connection Diagram




Specifications

Parameter Symbol Conditions Ratings Unit
Supply voltage 1 VCC max VCC pin 45 V
Supply voltage 2 VB max VB pin 60 V
Output current 1-1 IO max1-1 UL, VL, and WL pins, sink current 40 mA
Output current 1-2 IO max1-2 UL, VL, and WL pins, source current 30 mA
Output current 2 IO max2 UH, VH, and WH pins 20 mA
RF pin applied voltage VRF max 4 V
LVS pin applied voltage VLVS max 60 V
LVS pin applied voltage VIN max IN1, IN2, and IN3 pins V5 + 0.3 V
IN pin applied voltage VRES max V5 + 0.3 V
RES pin applied voltage VRES max V5 + 0.3 V
TOC pin applied voltage VTOC max V5 + 0.3 V
EI+ pin applied voltage VEI+ max V5 + 0.3 V
EI pin applied voltage VEImax V5 + 0.3 V
RC pin applied voltage VRC max V5 + 0.3 V
FV pin applied voltage VFV max 45 V
HP pin applied voltage VHP max 0.9 W
Allowable power dissipation Pd max1 Independent IC (LB11690 and LB11690H) 2.1 W
Pd max2 Mounted on designated PCB: 114.3* 76.1*1.6 mm,
glass epoxy (LB11690H)
Operating temperature Topr 20 to +100 °C
Storage temperature Tstg 55 to +150 °C





Description

The LB11690 and LB11690H are three-phase bipolar PWM drive pre-driver ICs that allow the output circuits to be implemented using only n-channel FETs. These ICs can implement, at low cost, high-efficiency drive circuits in applications that use motors that require high drive currents. These ICs include a built-in Hall sensor signal F/V conversion circuit and can provide a voltage that is proportional to motor speed for use, for example, in speedometers for electric bicycles. These ICs also support use in applications that holds the speed controlled at a constant rate as the load varies.






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