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STMICROELECTRONICS SRK2000DTR

Secondary Side Synchronous Rectifier Driver, 4.5 V to 32 V in, SOIC-8

STMICROELECTRONICS SRK2000DTR

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Manufacturer Part No:
SRK2000DTR
Order Code:
2460837
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Technical Datasheet:
SRK2000DTR   Datasheet
ECAD / MCAD
Supply Frame Models Link
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Product Overview

The SRK2000DTR is a Smart Driver implements a control scheme specific to secondary-side synchronous rectification in LLC resonant converters that use a transformer with center-tap secondary winding for full-wave rectification. It provides two high current gate drive outputs, each capable of driving one or more N-channel Power MOSFETs. Each gate driver is controlled separately and an interlocking logic circuit prevents the two synchronous rectifier MOSFETs from conducting simultaneously. The control scheme in this IC allows for each synchronous rectifier to be switched on as the corresponding half-winding starts conducting and switched off as its current goes to zero. A unique feature of this IC is its intelligent automatic sleep mode. It allows the detection of a low-power operating condition for the converter and puts the IC into a low consumption sleep mode where gate driving is stopped and quiescent consumption is reduced.
  • Secondary-side synchronous rectifier controller optimized for LLC resonant converters
  • Protection against current reversal
  • Safe management of load transient, light load and startup condition
  • Intelligent automatic sleep mode at light load
  • Dual gate driver for N-channel MOSFETs with 1A source and 3.5A sink drive current
  • Programmable UVLO with hysteresis
  • 250µA Quiescent consumption
  • Operating frequency up to 500kHz

Applications

Signal Processing, Computers & Computer Peripherals, Power Management, Industrial

Product Information

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:
Secondary Side Synchronous Rectifier Driver

:
4.5V

:
32V

:
SOIC

:
8Pins

:
-40°C

:
150°C

:
-

:
-

:
MSL 3 - 168 hours

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Technical Documents (2)

Packaging type Cut Tape

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¥454.14 (¥499.55 Inc. JCT)

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