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LM2678

Features: Efficiency up to 92%Simple and easy to design with (using off-the-shelf external components)120m DMOS output switch3.3V,5V and 12V fixed output and adjustable (1.2V to 37V) versions50A standby current when switched OFF±2%maximum output tolerance over full line and load conditionsWide inp...

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LM2678: Features: Efficiency up to 92%Simple and easy to design with (using off-the-shelf external components)120m DMOS output switch3.3V,5V and 12V fixed output and adjustable (1.2V to 37V) versions50A sta...

LM2678 Data Sheet

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Part Number:
LM2678
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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Product Details

Description



Features:

Efficiency up to 92%
Simple and easy to design with (using off-the-shelf external components)
120m  DMOS output switch
3.3V,5V and 12V fixed output and adjustable (1.2V to 37V) versions
50A standby current when switched OFF
±2%maximum output tolerance over full line and load conditions
Wide input voltage range:8V to 40V
260 KHz fixed frequency internal oscillator
40 to +125 C operating junction temperature range


Application

Simple to design,high efficiency (>90%) step-down switching regulators
Efficient system pre-regulator for linear voltage regulators
Battery chargers


Specifications

Input Supply Voltage                45V
ON/OFF Pin Voltage        −0.1V to 6V
Switch Voltage to Ground         −1V to VIN
Boost Pin Voltage           VSW + 8V
Feedback Pin Voltage         −0.3V to 14V
Power Dissipation Internally Limited
ESD(Note2)               2 kV
Storage Temperature Range      −65˚C to 150˚C
Soldering Temperature  
Wave         4 sec,260˚C
Infrared        10 sec,240˚C
Vapor Phase        75 sec,219˚C



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