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LB1868

Features: • Output protection Zener diode with variable withstand voltageZ1, Z2 pins open: VOLM = 57V (24V specification)Z1, Z2 pins shorted: VOLM = 32V (12V specification)External Zener diode connected across Z1 - VCC pins:support for fans with large drive current• External resistor a...

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SeekIC No. : 004391159 Detail

LB1868: Features: • Output protection Zener diode with variable withstand voltageZ1, Z2 pins open: VOLM = 57V (24V specification)Z1, Z2 pins shorted: VOLM = 32V (12V specification)External Zener diode...

LB1868 Data Sheet

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Part Number:
LB1868
Supply Ability:
5000

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  • 1~5000
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  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/25

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Product Details

Description



Features:

• Output protection Zener diode with variable withstand voltage
Z1, Z2 pins open: VOLM = 57V (24V specification)
Z1, Z2 pins shorted: VOLM = 32V (12V specification)
External Zener diode connected across Z1 - VCC pins:
support for fans with large drive current
• External resistor allows configuration for 12V or 24V.
• Direct Hall element connection possible (built-in Hall amplifier with hysteresis supports core without auxiliary electrode)
• Built-in output transistor with 1.0A output current (strengthened negative-current support for core without auxiliary electrode)
• Built-in rotation detection function: Low during rotation and High during stop
• Built-in lockup protection with automatic recovery
• Built-in thermal shutdown






Pinout

Connection Diagram




Specifications

Parameter Symbol Conditions Ratings Unit
Maximum input current ICC max t20 ms 200 mA
Maximum applied output voltage VOUT max Internal V
Maximum output current IOUT max 1.0 A
Current flowing into RD pin IRD max 1.0 mA
RD applied voltage VRD max 30 V
Allowable power dissipation Pd max 1.1 W
Operating temperature Topr 30 to +80 °C
Storage temperature Tstg 55 to +150 °C


Absolute maximum ratings
Vm min [V] -
Vm max [V] -
IO max [A] 1





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