2.5MHz Dual, 180° Out-of-Phase, Step-Down PWM Evaluation Boards


The ISL6442EVAL1Z board evaluates the ISL6442 dual switching regulator, plus one linear regulator. The ISL6442 is a high-performance, triple output controller that provides a single high-frequency power solution primarily for Broadband, DSL and Networking applications. This device integrates complete control, monitoring and protection functions for two synchronous buck PWM controllers and one linear controller. Input voltage ripple and total RMS input current is substantially reduced by synchronized 180° out-of-phase operation of the two PWMs.

Key Features

  • 4.5V to 5.5V or 5.5V to 24V Input Voltage Range
  • ±1.5% PWM Switcher Reference Accuracy Over Line and Temperature
  • Three Programmable Power Output Voltages
  • Programmable Switching Frequency from 300kHz to 2.5MHz
  • Fast Transient Response: High-Bandwidth Error Amplifier
  • Extensive Circuit Protection Functions
  • Externally Adjustable Soft-Start Time
  • PGOOD Output with Delay


  • Complete 1 Chip Solution for DSL Modems/Routers
  • DSP, ASIC, and FPGA Point of Load Regulation
  • ADSL, Broadband and Networking Applications

ISL6442EVAL1Z Buck PWM and Single Linear Controller Eval Board

ISL6442EVAL1Z Buck PWM and Single Linear Controller Eval Board

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