LM22677TJ-ADJ/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM22677TJ-ADJ/NOPB is a SIMPLE SWITCHER® 5A step-down DC/DC switching regulator manufactured by Texas Instruments. It operates with an input voltage range of 4.5 V to 42 V and provides an adjustable output voltage from 1.285 V to 37 V. The device features a maximum output current of 5 A and supports a switching frequency range of 200 kHz to 1000 kHz, including synchronization capabilities. It utilizes voltage mode control with a maximum duty cycle of 90%. The component includes overcurrent protection and an enable function, operating within a temperature range of -40°C to +125°C in a TO-263-7 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a 5 A power switch for high-current step-down conversion
• Supports external frequency synchronization for noise management
• Includes built-in overcurrent protection and shutdown functionality

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Distributed power architectures
• Embedded system power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against the manufacturer's official datasheet to confirm pinout compatibility and electrical specifications. Ensure the ordering part number matches the required package variant and temperature rating. Cross-reference the document revision date to validate feature availability. Confirm RoHS compliance status through the official product data sheet before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a 5 A output current capability is required alongside an input voltage up to 42 V. The adjustable output voltage range allows flexibility for various load requirements. Consider the TO-263-7 package for thermal performance in space-constrained designs. Evaluate the need for frequency synchronization if multiple converters operate in close proximity to minimize electromagnetic interference.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM2267x family of SIMPLE SWITCHER regulators, designed for efficient power conversion. The family shares common control architecture but varies in current ratings and package options. The LM22677 specifically targets applications requiring higher current density compared to lower-rated siblings like the LM22671 or LM22673.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LM22679TJ-ADJ/NOPB offers similar functionality with a 5 A output rating.