LM34917TLX/NOPB

Voltage Regulators - DC DC Switching Regulators Overview

The LM34917TLX/NOPB is a Texas Instruments step-down switching regulator featuring a fixed 2.6 MHz switching frequency and an integrated high-side MOSFET. It supports input voltages from 8 V to 33 V, delivering up to 1.25 A output current with adjustable output voltage ranging from 1.25 V to 30 V. The device utilizes constant on-time control for fast transient response and includes comprehensive protection features such as overcurrent, thermal shutdown, and soft-start. Packaged in a 12-pin USMD (DSBGA) footprint, it operates within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a high-side power switch and control circuitry for compact design
• Employs constant on-time architecture to ensure rapid load transient response
• Includes built-in protection mechanisms against overcurrent and excessive temperature

Voltage Regulators - DC DC Switching Regulators Applications

• Point-of-load regulation in industrial equipment
• Power supply stages for embedded computing systems
• Bias voltage generation for communication modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm package integrity and pin alignment upon receipt. Cross-reference the manufacturer datasheet for specific handling and storage conditions. Ensure compatibility with existing PCB footprints and thermal management requirements before integration into final assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for applications requiring high efficiency in small form factors. The fixed high switching frequency allows for smaller external inductors and capacitors. Evaluate input voltage ranges against system requirements to ensure operation within the 8 V to 33 V specification. Consider thermal performance under maximum load conditions due to the compact package size.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM3491x family of non-synchronous buck converters designed for space-constrained applications. It shares architectural similarities with other members like the LM34910 and LM34919 but offers specific current and voltage ratings tailored for mid-power isolated or non-isolated DC-DC conversion needs in automotive and industrial sectors.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The LM34917ATL/NOPB is listed as a similar available substitute. Verify pinout compatibility and electrical specifications before substitution. Note that the LM34917TLX/NOPB itself is marked as obsolete by the manufacturer.