LM5169PDDAR

Voltage Regulators - DC DC Switching Regulators Overview

The LM5169PDDAR is a synchronous buck DC-DC converter from Texas Instruments, housed in an 8-SO-PowerPAD package. It supports a wide input voltage range of 6 V to 120 V and delivers up to 650 mA output current. The device features adjustable output voltages from 1.2 V to 90 V with a switching frequency range of 100 kHz to 1 MHz. Operating temperatures span from -40 °C to +150 °C junction temperature.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated high-side and low-side power MOSFETs for compact design
• Constant on-time control architecture for fast transient response
• Fly-Buck capability for isolated auxiliary supply generation

Voltage Regulators - DC DC Switching Regulators Applications

• Industrial systems requiring wide input voltage ranges
• Battery-powered equipment with high cell counts
• Automotive electronics meeting AEC-Q100 standards

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'P' against official datasheets to confirm automotive qualification status. Ensure the ordering part number matches the exact package and temperature grade required for your application. Cross-reference with manufacturer documentation to validate RoHS compliance and moisture sensitivity levels before procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a wide input voltage range exceeding standard controllers is necessary. The integrated MOSFETs simplify design compared to discrete solutions. Consider the Fly-Buck feature if an isolated rail is needed without additional transformer complexity. Verify thermal performance requirements given the high junction temperature rating.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM5169 family of high-voltage synchronous buck converters. It shares architectural similarities with the LM5164 but offers different current capabilities and specific packaging options. The series is designed for robust industrial and automotive applications requiring high efficiency and reliability under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Official substitutes include LM5169FDDAR and LM5169FQDDARQ1. Verify pin compatibility and electrical specifications such as output current and input voltage limits before substitution.