ISL6446ADEMO1Z

Dual (180° Out-of-Phase) PWM and Linear Controller Demonstration Board

Description

The ISL6446ADEMO1Z demo board is designed as an easy to use, dual output, non-isolated power module featuring synchronous buck function. It is well suited for any applications that require high performance, small space and low cost. The ISL6446ADEMO1Z output voltage is preset to 3.3V and 5V targeting ATX power supply applications. Each channel is designed for up to 20A of output current. Total power of the demo board is limited by thermal conditions.

The ISL6446A is a high performance Dual PWM + Single Linear Controller. This device integrates complete control, monitoring and protection functions for two synchronous buck PWM controllers and one low power linear controller. Each PWM channel is switched 180° out-of-phase for reduced input ripple current and lower EMI.

Key Features

  • 12V input voltage
  • Preset +5V and +3.3V output
  • 20A output current each channel
  • Two-in-1 PWM controller with out-of-phase operation
  • Voltage-mode PWM control
  • Efficiency up to 94.9%
  • Prebias start-up
  • Undervoltage lockout
  • Output overcurrent protection
  • Over-temperature protection
  • fsw set at 280kHz
  • Simple dual layer board design

Applications

  • ATX power supplies
  • DSP, ASIC, and FPGA point-of-load regulation
  • Industrial and security networking applications

ISL6446ADEMO1Z Dual PWM and Linear Controller Demo Board Top

SL6446ADEMO1Z Dual PWM and Linear Controller Demo Board Top

ISL6446ADEMO1Z Dual PWM and Linear Controller Demo Board Bottom

ISL6446ADEMO1Z Dual PWM and Linear Controller Demo Board Bottom

Related Products

ISL6446A

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