LM20333MHX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM20333MHX/NOPB is a synchronous buck regulator from Texas Instruments, housed in an HTSSOP-20 package. It supports an input voltage range of 4.5 V to 36 V and delivers up to 3 A output current. The adjustable output voltage spans from 800 mV to 32 V. Operating at a fixed switching frequency of 200 kHz, the device functions within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-side and low-side N-channel power MOSFETs for efficient synchronous rectification.
• Features cycle-by-cycle current limit and thermal shutdown protection for robust operation.
• Includes programmable soft-start to control inrush current during startup.

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 'HX' indicates tape-and-reel packaging when ordering. Confirm the 'NOPB' designation ensures lead-free and RoHS compliance as per manufacturer specifications. Cross-reference the full part number with official datasheets to ensure compatibility with required operating temperatures and electrical parameters before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring a wide input voltage range up to 36 V and moderate output currents around 3 A. The 200 kHz switching frequency allows for compact passive component selection compared to lower-frequency alternatives. Ensure the design accommodates the HTSSOP-20 thermal requirements for the intended ambient temperature conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LM20333 family of synchronous buck regulators designed for industrial and embedded applications. It offers a balance of performance and integration, combining power stages with control logic in a single compact package. The family targets systems needing reliable step-down conversion from higher bus voltages.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the maximum input voltage supported by the LM20333MHX/NOPB?

The device supports a maximum input voltage of 36 V.

Does the LM20333MHX/NOPB include internal power switches?

Yes, it integrates both high-side and low-side N-channel MOSFETs.