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UC1735

Features: • Single Input (PWM and TTL Compatible)• High Current Power FET Driver, 1.0A Source/2A Sink• Auxiliary Output FET Driver, 0.5A Source/1A Sink• Time Delays Between Power and Auxiliary Outputs Independently Programmable from 50ns to 500ns• Time Delay or True Z...

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SeekIC No. : 004535348 Detail

UC1735: Features: • Single Input (PWM and TTL Compatible)• High Current Power FET Driver, 1.0A Source/2A Sink• Auxiliary Output FET Driver, 0.5A Source/1A Sink• Time Delays Between P...

UC1735 Data Sheet

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Part Number:
UC1735
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:

• Single Input (PWM and TTL Compatible)
• High Current Power FET Driver, 1.0A Source/2A Sink
• Auxiliary Output FET Driver, 0.5A Source/1A Sink
• Time Delays Between Power and Auxiliary Outputs Independently Programmable from 50ns to 500ns
• Time Delay or True Zero-Voltage Operation Independently Configurable for Each Output
• Switching Frequency to 1MHz
• Typical 50ns Propagation Delays
• ENBL Pin Activates 220A Sleep Mode
• Power Output is Active Low in Sleep Mode
• Synchronous Rectifier Driver


Pinout

Connection Diagram


Specifications

Supply Voltage VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 20V
Power Driver IOH
   continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −200mA
   peak. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1A
Power Driver IOL
   continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 400mA
   peak. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Auxiliary Driver IOH
   continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −100mA
   peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −500mA
Auxiliary Driver IOL
   continuous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200mA
   peak. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . 1A
   Input Voltage Range (INPUT, ENBL) . . . . . . . . . . . . −0.3V to 20V
  Storage Temperature Range . . . . . . . . . . . . . . −65°C to 150°C
  Operating Junction Temperature (Note 1) . . . . . . . . . . . . 150°C
  Lead Temperature (Soldering 10 seconds) . . . . . . . . . . . .300°C


Description

These two families of high speed drivers are designed to provide drive waveforms for complementary switches. Complementary switch configurations are commonly used in synchronous rectification circuits and active clamp/reset circuits, which can provide zero voltage switching. In order to facilitate the soft switching transitions, independently programmable delays between the two output waveforms are provided on these drivers. The delay pins also have true zero voltage sensing capability which allows immediate activation of the corresponding switch when zero voltage is applied. These devices require a PWM-type input to operate and can be interfaced with commonly available PWM controllers.

In the UC1714 series, the AUX output is inverted to allow driving a p-channel MOSFET. In the UC1715 series, the two outputs are configured in a true complementary fashion.




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