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R2J20701NP - Peak Current Mode Synchronous Buck Controller

Datasheet Summary

Description

This all-in-one SiP for POL (point-of-load) applications is a multi-chip module incorporating a high-side MOS FET, low-side MOS FET, and PWM controller in a single QFN package.

Features

  • Three chips in one package for high-efficiency and space saving.
  • Large average output current (35 A).
  • Wide input voltage range: 8 to 14 V.
  • 0.6 V reference voltage accurate to within 1%.
  • Wide programmable switching frequency: 200 kHz to 1 MHz.
  • Fast response by peak-current-mode topology.
  • Simple current sharing (up to five modules in parallel).
  • Two-phase operation in parallel operation.
  • Built-in SBD for boot strappi.

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Datasheet Details

Part number R2J20701NP
Manufacturer Renesas Technology
File Size 313.57 KB
Description Peak Current Mode Synchronous Buck Controller
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R2J20701NP Peak Current Mode Synchronous Buck Controller with Power MOS FETs REJ03G1459-0400 Rev.4.00 Jun 30, 2008 Description This all-in-one SiP for POL (point-of-load) applications is a multi-chip module incorporating a high-side MOS FET, low-side MOS FET, and PWM controller in a single QFN package. The on and off timing of the power MOS FET is optimized by the built-in driver circuit, making this device suitable for large-current high-efficiency buck converters. In a simple peak-current mode topology, stable operation is obtained in a closed power loop, and a fast converter is easily realized with the addition of simple components. Furthermore, the same topology can be applied to realize converters for parallel synchronized operation with current sharing, and two-phase operation.
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