LT8603 Low EMI Synchronous Buck DC-DC Converter

LT8603JUJ#WTRPBF

LT8603 – High Efficiency Low EMI Synchronous Buck Converter

Product Description

Product Overview

The LT8603JUJ#WTRPBF is a high efficiency synchronous buck DC-DC converter from Analog Devices (Linear Technology), featuring a low EMI control architecture that delivers stable and efficient step-down conversion over a wide input voltage range.

The JUJ grade is optimized for industrial and automotive applications requiring extended temperature range, enhanced reliability, and long product lifecycle, making it ideal for automotive electronics, industrial control systems, communication modules, and embedded power designs.

Key Features & Advantages

High efficiency synchronous buck architecture
Low EMI design for strict EMC requirements
Wide input voltage range for automotive and industrial systems
JUJ grade suitable for long-lifecycle and harsh environments
Proven Linear Technology power architecture

Typical Applications

Automotive electronics and in-vehicle modules
Industrial control system power supplies
Communication and networking equipment
Embedded and edge computing systems
Multi-rail industrial power architectures

Product Specifications

Parameter	Description
Part Number	LT8603JUJ#WTRPBF
Manufacturer	Analog Devices, Inc.
Product Type	Synchronous Buck DC-DC Converter
Topology	Buck
Control Method	Synchronous rectification
Input Voltage	Wide input voltage range
Output Capability	Regulated step-down output
Efficiency	High efficiency operation
EMI Performance	Low EMI design
System Role	Industrial / automotive power
Protection	Overcurrent / Thermal protection
Operating Temperature	Industrial / automotive range
Package Type	Surface-mount package (JUJ)
Mounting Style	SMT / SMD
Packing	Tape & Reel (WTRPBF)
Target Applications	Industrial / Automotive / Communication
RoHS Compliance	RoHS compliant