ISL62383HIEVAL1Z Evaluation Board

High-Efficiency, Quad or Triple-Output System Power Supply Controller for Notebook Computers

The ISL62383HIEVAL1Z evaluation board demonstrates the performance of the ISL62383 triple-output controller. The ISL62383 controller includes two pulse width modulation (PWM) controllers featured with Renesas' patented R3 technology, adjustable from 0.6V to 5.5V, and one linear regulator LDO5, which generates a fixed 5V output and can deliver up to 100mA.

The evaluation board includes two independent Enable switches, two LED Power-Good (PGOOD) indicators and various test points. Included with each switching channel is an on-board dynamic load generator for evaluating the transient-load response. There are two different evaluation boards which provide flexible evaluation options.

Features

  • High performance R3 technology
  • Fast transient response
  • ±1% output voltage accuracy: -10 °C to +100 °C
  • Two fully programmable switch-mode power supplies with independent operation
  • Programmable switching frequency
  • Integrated MOSFET drivers and bootstrap diode
  • Adjustable (+1.2V to +5V) LDO output
  • Fixed +5V LDO output with automatic switchover to SMPS2
  • Internal soft-start and soft-stop output discharge
  • Wide input voltage range: +5.5V to +25V
  • Full and ultrasonic pulse-skipping mode
  • Power-Good indicator
  • Overvoltage, undervoltage and overcurrent protection
  • Fault identification by PGOOD pull-down resistance
  • Thermal monitor and protection
  • Pb-Free (RoHS compliant)

Applications

  • Notebook and sub-notebook computers
  • PDAs and mobile communication devices
  • 3-cell and 4-cell Li+ battery powered devices
  • General purpose switching buck regulators

ISL62383HIEVAL1Z Evaluation Board Layout

Related Product

ISL62383

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