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LTC3726

Features: Secondary-Side Control for Fast Transient Response Self-Starting Architecture Eliminates Need for Separate Bias Regulator Proprietary Gate Drive Encoding Scheme Reduces System Complexity Current Mode Control Ensures Current Sharing PLL Fixed Frequency: 100kHz to 500kHz ±1% Output Voltag...

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SeekIC No. : 004402320 Detail

LTC3726: Features: Secondary-Side Control for Fast Transient Response Self-Starting Architecture Eliminates Need for Separate Bias Regulator Proprietary Gate Drive Encoding Scheme Reduces System Complexity ...

LTC3726 Data Sheet

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Part Number:
LTC3726
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:

Secondary-Side Control for Fast Transient Response
Self-Starting Architecture Eliminates Need for Separate Bias Regulator
Proprietary Gate Drive Encoding Scheme Reduces System Complexity
Current Mode Control Ensures Current Sharing
PLL Fixed Frequency: 100kHz to 500kHz
±1% Output Voltage Accuracy
OPTI-LOOP Compensation
Available in a Narrow 16-Lead SSOP Package


Application

Isolated 48V Telecommunication Systems
Internet Servers and Routers
Distributed Power Step-Down Converters
Automotive and Heavy Equipment


Pinout

Connection Diagram


Specifications

VCC ...........................................................0.3V to 10V
SW............................................................... 5V to 50V
ITH, RUN/SS .............................................. 0.3V to 7V
All Other Pins ............................................0.3V to 10V
Operating Ambient Temperature Range (Note 2)
LTC3726EGN ...................................... 40°C to 85°C
LTC3726IGN ....................................... 40°C to 85°C
Operating Junction Temperature (Note 3) ........... 125°C
Storage Temperature Range ...............65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C


Description

The LTC®3726 is a secondary-side controller for synchronous forward converters. When used in conjunction with the LTC3705/LTC3725 gate driver and primary-side controllers, the part creates a complete isolated power supply that combines the simplicity of OPTI-LOOP® compensation with the speed of secondary-side control.

The LTC3726 has been designed to simplify the design of highly efficient, secondary-side forward converters. Working in concert with the LTC3705 or LTC 3725, the LTC3726 forms a robust, self-starting converter that eliminates theneed for the separate bias regulator that is commonly used in secondary-side control applications. In addition, a proprietary scheme is used to multiplex gate drive signals and DC bias power across the isolation barrier through a single, tiny pulse transformer.

The LTC3726 is available in a 16-lead SSOP package.




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