LP3966ES-3.3 - Texas Instruments

Manufacturer Part Number

LP3966ES-3.3

Manufacturer

Texas Instruments

Introduction

The LP3966ES-3.3 is a high-performance, low-dropout linear voltage regulator from Texas Instruments, providing a fixed output of 3.3V at up to 3A. Designed for power-sensitive applications, it features a combination of low dropout voltage, high current capability, and various protection mechanisms.

Product Features and Performance

Low dropout voltage of 1.2V at 3A load

Fixed output voltage of 3.3V

Supports up to 3A output current

Low quiescent current of 9 mA

Maximum input voltage of 7V

Enable function for power-saving mode

Over-current, over-temperature, and short-circuit protection

Product Advantages

High efficiency for power-sensitive applications

Minimal power loss due to low dropout

Robust protection features ensure long-term reliability

Low standby power consumption

Key Technical Parameters

Voltage Input (Max): 7V

Voltage Output (Min/Fixed): 3.3V

Current Output: 3A

Voltage Dropout (Max): 1.2V @ 3A

Current Quiescent (Iq): 9 mA

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Over-current protection

Over-temperature protection

Short-circuit protection

Compatibility

Compatible with a wide range of microcontrollers and digital devices requiring a 3.3V power supply

Surface mount package (TO-263) facilitates easy integration into PCB designs

Application Areas

Power management for CPUs, GPUs, and DSPs

Networking and telecom equipment

Portable and battery-operated devices

Consumer electronics

Product Lifecycle

Product Status: Last Time Buy

Indication of nearing discontinuation with guidance for exploring replacements or upgrades

Several Key Reasons to Choose This Product

Reliable performance from a reputable manufacturer, Texas Instruments

High current capability suitable for demanding applications

Low dropout enhances efficiency, reducing thermal footprint

Comprehensive protection features secure the end application from electrical hazards

Wide application range due to compatibility and performance features

Due to its product lifecycle stage, ideal for final runs or legacy applications requiring a trusted solution