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LB1921

Features: • The LB1921 is an improved output current version of the LB1824.• Three-phase bipolar brushless motor driver• Digital speed control circuit• Thermal shutdown circuit• Start/stop pin• Lock detector output• Crystal oscillator and divider circuits&...

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SeekIC No. : 004391187 Detail

LB1921: Features: • The LB1921 is an improved output current version of the LB1824.• Three-phase bipolar brushless motor driver• Digital speed control circuit• Thermal shutdown circu...

LB1921 Data Sheet

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Part Number:
LB1921
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:

• The LB1921 is an improved output current version of the LB1824.
• Three-phase bipolar brushless motor driver
• Digital speed control circuit
• Thermal shutdown circuit
• Start/stop pin
• Lock detector output
• Crystal oscillator and divider circuits
• FG and error amplifiers
• Power supply current limiter


Application

• Paper feed and drum motor drivers in FAX and PPC units


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage 1 VCC max   30 V
Maximum supply voltage 2 VM max   30 V
Output current IO max T 100 ms 3.5 A
Allowable power dissipation 1 Pd max1 Independent IC 3 W
Allowable power dissipation 2 Pd max2 With an arbitrarily large heat sink 20 W
Operating temperature Topr   20 to +80 °C
Storage temperature Tstg   55 to +150 °C



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