Texas Instruments 5-Channel Fixed 5V DC/DC Converter, Surface Mount, TO-263 Package LM22676TJE-5.0/NOPB

Texas Instruments LM22676TJE-5.0/NOPB is a high-performance 5-channel DC/DC step-down converter delivering a fixed 5V output per channel. It supports wide input voltages ranging from 4.5V to 42V, making it suitable for versatile industrial and commercial power management applications.

This converter is designed in a surface mount TO-263 package with 7 pins and offers a compact form factor with dimensions approximately 10.16 mm length, 9.85 mm width, and 2 mm height. It operates efficiently at a switching frequency of 500 kHz, adjustable between 200 kHz and 1 MHz, providing steady and reliable voltage conversion with minimal component count.

Operational across a broad temperature range of -40°C to 125°C, it is ideal for demanding environments including industrial automation, embedded systems, telecommunications, and power supply regulation. The integrated features such as the precision enable pin, soft-start, and boot diode further enhance system stability and protection, minimizing the risk of inrush currents or switching losses.

The device supports a maximum continuous output current of 3A per channel and uses internally compensated voltage mode control to simplify design and reduce bill of materials. It performs well with low ESR ceramic capacitors, contributing to stable output voltage and system robustness.

This product is fully WEBENCH® Design enabled, allowing seamless configuration and performance optimization through Texas Instruments’ online tools. No automotive standard compliance is offered with this model, focusing it on general industrial and commercial applications. It meets general RoHS compliance but does not list specific approvals or certifications.

Maximum output voltage: 5V fixed output per channel. Wide input voltage range: 4.5V to 42V suitable for diverse power sources. Number of output channels: 5 for multi-channel power management needs. Surface mount TO-263 package ensures compact size and ease of PCB assembly.

Operating temperature from -40°C to 125°C for reliability in various environments. Switching frequency fixed at 500 kHz ensures efficient power conversion. Includes integrated soft-start and boot diode to reduce component stress and enhance reliability.

Compatible with low ESR ceramic capacitors for stable output voltage. Supported by WEBENCH® for design and customization online.

This DC/DC converter is well suited for industrial electronics, embedded systems, telecommunications equipment, and power supply modules requiring reliable fixed 5V outputs with multiple channels. It enables circuit designers to optimize system size and performance with a reduced component count.

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