LTM4622IY#PBF

High-Efficiency, Compact Step-Down Power Module with Integrated Inductor and MOSFETs

Product Description

Product Overview

The LTM4622IY#PBF is a complete step-down DC/DC power module in μModule® form factor, integrating the controller, power switches, inductor, and supporting components into a single compact package. With a wide input voltage range and 2.5A continuous output current, it simplifies power supply design by minimizing external components and layout complexity. Ideal for industrial, embedded, and communication systems requiring reliable 5V/3.3V/1.xV power rails with high efficiency and small footprint.

Key Features

2.5A continuous output current capability
Wide input voltage range (typically ~4V to ~20V)
High efficiency up to ~95%
Integrated inductor and power MOSFETs
Current mode control for fast transient response
Compact µModule® package (≈6.25mm × 6.25mm × 5.32mm)
Minimal external components required
Thermal regulation and protection
Compatible with standard PCB manufacturing
Ideal for point-of-load (POL) applications

Applications

FPGA, ASIC and microprocessor core and I/O rails
Embedded systems and industrial controllers
Communication and networking equipment
Distributed power architectures
Test and measurement systems
Portable instruments and edge devices
High-density server and storage power rails

Electrical Characteristics

Parameter	Value
Output Current	2.5A continuous
Input Voltage Range	~4V – 20V
Output Voltage	Adjustable (≈0.6V – 5.5V)
Efficiency	Up to ~95%
Control Method	Current Mode
Integrated Components	Inductor, MOSFETs
Switching Frequency	Programmable
Protection	Thermal / Overcurrent
Package Type	µModule®
Size	~6.25 × 6.25 × 5.32mm
Operating Temp.	–40°C ~ +125°C
RoHS Compliance	RoHS Compliant