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LB1927

Features: • Three-phase bipolar drive (30V, 2.5A)• Direct PWM drive technique• Built-in diode for absorbing output lower-side kickback• Speed discriminator and PLL speed control• Speed lock detection output• Built-in forward/reverse switching circuit• Buil...

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SeekIC No. : 004391191 Detail

LB1927: Features: • Three-phase bipolar drive (30V, 2.5A)• Direct PWM drive technique• Built-in diode for absorbing output lower-side kickback• Speed discriminator and PLL speed cont...

LB1927 Data Sheet

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Part Number:
LB1927
Supply Ability:
5000

Price Break

  • 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 drive (30V, 2.5A)
• Direct PWM drive technique
• Built-in diode for absorbing output lower-side kickback
• Speed discriminator and PLL speed control
• Speed lock detection output
• Built-in forward/reverse switching circuit
• Built-in protection circuitry includes current limiter, overheat protection, motor restraint protection, etc.




Pinout

Connection Diagram




Specifications

Absolute maximum ratings
Vm min [V] 9.5
Vm max [V] 28
IO max [A] 2.5





Description

The LB1927 is a three-phase brushless motor driver well suited for drum and paper feed motors in laser printers, plainpaper copiers and other office automation equipment. Direct PWM drive allows control with low power losses. Peripheral circuitry including speed control circuit and FG amplifier is integrated, thus allows drive circuit to be constructed with a single chip.






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