LM2696MXA

Voltage Regulators - DC DC Switching Regulators Overview

The LM2696MXA is a 3 A constant on-time buck regulator manufactured by Texas Instruments. It operates with an input voltage range of 4.5 V to 24 V and provides an adjustable output voltage from 1.29 V to 20 V. The device supports switching frequencies between 100 kHz and 500 kHz. It features a low operating supply current of 1 mA and maintains a load regulation of 0.03%. Designed for robust performance, it functions within a junction temperature range of -40°C to +125°C. The component is housed in a 16-pin HTSSOP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Constant on-time control architecture enables stable operation across wide input voltage variations without requiring external frequency compensation.

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial point-of-load regulation
• Embedded system power distribution
• Telecommunications equipment power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix (e.g., NOPB) against the datasheet to confirm RoHS compliance and material composition. Ensure the ordering part number matches the required package variant and temperature grade. Confirm availability through authorized distributors to avoid counterfeit components. Cross-reference the manufacturer's latest product change notices for any updates to pinout or electrical specifications before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this regulator when a simple design with minimal external components is required for high-current applications. The constant on-time topology simplifies loop stability compared to voltage-mode controllers. Consider the thermal performance of the HTSSOP package for the expected load conditions. Verify that the desired output voltage falls within the specified 1.29 V to 20 V range for optimal accuracy.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LM2696 family of step-down switching regulators. It is designed as a cost-effective solution for medium-power applications where board space is limited. The family emphasizes ease of use by integrating the high-side switch and eliminating the need for error amplifier compensation networks typically found in other regulator types.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.