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LB1668

Features: • Output protection Zener diodes with variable breakdown voltages- When the Z1 and Z2 pins are open: VOLM = 57 V- When the Z1 and Z2 pins are shorted: VOLM = 32 V- An external Zener diode can be connected between Z1 and VCC.• Can support both 12-V and 24-V power supplies by c...

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SeekIC No. : 004391088 Detail

LB1668: Features: • Output protection Zener diodes with variable breakdown voltages- When the Z1 and Z2 pins are open: VOLM = 57 V- When the Z1 and Z2 pins are shorted: VOLM = 32 V- An external Zener ...

LB1668 Data Sheet

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Part Number:
LB1668
Supply Ability:
5000

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

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Upload time: 2024/11/24

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Product Details

Description



Features:

• Output protection Zener diodes with variable breakdown voltages
- When the Z1 and Z2 pins are open: VOLM = 57 V
- When the Z1 and Z2 pins are shorted: VOLM = 32 V
- An external Zener diode can be connected between Z1 and VCC.
• Can support both 12-V and 24-V power supplies by changing an external resistor.
• Hall elements can be connected directly.
• 1.5-A output current output transistors built in
• Built-in rotation detection function that outputs low when driven and high when stopped (LB1668/M)
• FG signal function that sets FG high when IN- is low,and sets FG low when IN- is high (LB1667/M)
• Motor lock protection and automatic recovery functions built in
• Thermal shutdown function




Specifications

Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VIN max t 20 ms 200 mA
Output voltage VOUT Internal V
Output current IOUT 1.5 A
Output minus current IOM -50
RD flow-in current IRD/IFG 10 mA
RD supply voltage VRD/VFG 30 V
Allowable power dissipation Pd max LB1667M, 1668M: Mounted on a printed circuit board20 ´ 15 ´ 1.5 mm3, glass epoxy)
LB1667, 1668		 0.8
1.1		 W
Operating temperature Topr 30 to +80 °C
Storage temperature Tstg 55 to +125 °C





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