Overview

Description

The ISL85415 is a 500mA synchronous buck regulator with an input range of 3V to 36V. The device provides an easy-to-use high-efficiency, low BOM-count solution for a variety of applications. The ISL85415 integrates both high-side and low-side NMOS FET's and features a PFM mode for improved efficiency at light loads. The feature can be disabled if forced PWM mode is desired. The device switches at a default frequency of 500kHz, but can also be programmed using an external resistor from 300kHz to 2MHz. The ISL85415 has the ability to use internal or external compensation. By integrating both NMOS devices and providing internal configuration options, minimal external components are required, reducing both the BOM count and complexity of design. With the wide VIN range and reduced BOM the part provides an easy to implement design solution for a variety of applications while giving superior performance. It provides a very robust design for high-voltage Industrial applications and delivers an efficient solution for battery powered applications. The ISL85415 is available in a small Pb-free 4mmx3mm DFN plastic package with an operation temperature range of -40°C to +125°C.

Features

  • Wide input voltage range 3V to 36V
  • Synchronous operation for high efficiency
  • No compensation required
  • Integrated High-side and Low-side NMOS devices
  • Selectable PFM or forced PWM mode at light loads
  • Internal fixed (500kHz) or adjustable switching frequency 300kHz to 2MHz
  • Continuous output current up to 500mA
  • Internal or external soft-start
  • Minimal external components required
  • Power-good and enable functions available

Applications

Applications

  • Industrial control
  • Medical devices
  • Portable instrumentation
  • Distributed power supplies
  • Cloud infrastructure

Documentation

Title Type Date
PDF2.35 MB日本語
Datasheet
PDF592 KB
Application Note
PDF2.35 MB
Application Note
PDF509 KB
Application Note
PDF397 KB
Application Note
PDF650 KB
Application Note
PDF387 KB
Application Note
PDF349 KB
Application Note
Brochure
PDF1.55 MB
Manual - Development Tools
PDF1.82 MB
Manual - Development Tools
PDF109 KB
Product Change Notice
PDF1.07 MB
White Paper
PDF468 KB
White Paper
PDF337 KB 简体中文
White Paper

Design & Development

Software & Tools

Software & Tools

Title Type Company
iSim:PE Offline Simulation TooliSim Personal Edition (iSim:PE) speeds the design cycle and reduces risk early in any project, identifying parts that can be used in current as well as next-generation designs.Downloads: Simulator Renesas

Software Downloads

Title Type Date
ZIP1.80 MB
PCB Design Files
ZIP1.89 MB
PCB Design Files

Boards & Kits

Boards & Kits

Models

Models

Title Type Date
Model - iSim

Support