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LB11997H

Features: • Current linear drive• Control V type amplifier• Separate power supply for output upper side bias circuit allows low output saturation by boosting this power supply only (useful for 5V power supply types).• Upper side current detection technique reduces loss volt...

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SeekIC No. : 004391000 Detail

LB11997H: Features: • Current linear drive• Control V type amplifier• Separate power supply for output upper side bias circuit allows low output saturation by boosting this power supply only...

LB11997H Data Sheet

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Part Number:
LB11997H
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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Upload time: 2024/10/27

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Product Details

Description



Features:

• Current linear drive
• Control V type amplifier
• Separate power supply for output upper side bias circuit allows low output saturation by boosting this power supply only (useful for 5V power supply types).
• Upper side current detection technique reduces loss voltage of current detection resistor. Voltage drop caused by this resistor reduces internal power dissipation of IC.
• Built-in short braking circuit
• Built-in reverse blocking circuit
• Hall FG output
• Built-in S/S function
• Built-in current limiter circuit (selectable, 2 steps)
• Built-in Hall power supply
• Built-in thermal shutdown circuit
• Supports 3.3V DSP


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions Ratings Unit
Maximum power supply voltage VCC1 max   7.0 V
VCC2 max   14.4 V
VCC3 max   14.4  
Applied output voltage Vo max   14.4 V
Applied intput voltage VIN max   VCC1  
Output current IO max   1.3 A
Allowable power dissipation Pdmax   0.8
 W
Operating temperature Topr   20 to +75 °C
Storage temperature Tstg   55 to +150 °C



Description

The LB11997H is a 3-phase brushless motor driver especially suited for CD-ROM spindle motor drives.

 




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