SHENZHEN GANGXINLI ELECTRONICS CO.,LTD

SHENZHEN GANGXINLI ELECTRONICS CO.,LTD

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2025/11/21

Introduction to LM5169PDDAR

.Overview of product

The LM5169PDDAR is a high-voltage, step-down DC-DC switching regulator from Texas Instruments, categorized under Power Management ICs (PMIC). It delivers efficient voltage regulation for a wide range of applications with its broad input voltage capability and compact surface-mount design.

 

.Core parameter

Category:Integrated Circuits (ICs),Power Management (PMIC),Voltage Regulators - DC DC Switching Regulators

Mfr:Texas Instruments

Packaging:Tape & Reel

Part Status:Active

Function:Step-Down

Output Configuration:Positive

Topology:Buck

Voltage - Input (Min):6V

Voltage - Input (Max):120V

Current - Output:650mA

Frequency - Switching:100kHz ~ 1MHz

Operating Temperature:-40°C ~ 150°C (TJ)

Mounting Type:Surface Mount

Package / Case:8-PowerSOIC (0.154", 3.90mm Width)

 

.Main characteristics

Wide Input Range:Supports 6V to 120V input voltage, adapting to diverse power sources and industrial applications

High Efficiency:Buck topology and optimized switching design minimize power loss, enhancing system energy efficiency

Adjustable Frequency:Switching frequency configurable from 100kHz to 1MHz, enabling flexibility for EMI control and component selection

Robust Temperature Tolerance:Operating junction temperature range of -40°C to 150°C ensures reliability in extreme environments

Compact Packaging:8-PowerSOIC package (3.90mm width) facilitates space-saving integration in dense PCBs

Surface-Mount Design:Enables easy automated assembly and compatibility with modern manufacturing processes

Stable Output:Delivers up to 650mA output current with consistent performance under varying load conditions

 

.Application field

Industrial Controls:Power supply for PLCs (Programmable Logic Controllers) and industrial sensor modules

Automotive Electronics:Voltage regulation for in-vehicle infotainment systems and dashboard displays

Smart Home Devices:Power management for high-voltage smart lighting controllers and HVAC thermostats

Renewable Energy:DC-DC conversion in small-scale solar inverters and wind turbine auxiliary circuits

Consumer Electronics:Power regulation for high-voltage home appliances (e.g., air purifiers, water heaters)

Telecom Equipment:Voltage conditioning for DSL modems and fiber optic transceivers

Battery-Powered Devices:Step-down regulation for 24V/48V battery packs in portable industrial tools

 

.Summary

The LM5169PDDAR is a versatile, high-voltage step-down regulator that combines wide input range, efficiency, and robustness.Suitable for industrial,automotive,and consumer applications,it provides reliable voltage regulation in space-constrained and harsh environment scenarios.