LP3855ES-5.0 - Texas Instruments

Manufacturer Part Number

LP3855ES-5.0

Manufacturer

Texas Instruments

Introduction

The LP3855ES-5.0 is a low-dropout linear voltage regulator designed for power-sensitive applications, delivering a fixed 5V output.

Product Features and Performance

Positive output configuration

Fixed output type

Single regulator

Maximum input voltage of 7V

Output voltage set at 5V

Maximum voltage dropout of 0.38V at 1.5A

Output current capacity of 1.5A

Quiescent current of 3 mA

Supply current up to 10 mA

Power supply rejection ratio (PSRR) ranges from 73dB to 57dB at 120Hz

Enabled control features for improved efficiency

Product Advantages

Low voltage dropout enhances efficiency

Integrated protection features including over-current, over-temperature, and short-circuit protection

High PSRR for minimal noise interference in sensitive applications

Key Technical Parameters

Voltage - Input (Max): 7V

Voltage - Output (Min/Fixed): 5V

Current - Output: 1.5A

Voltage Dropout (Max): 0.38V @ 1.5A

PSRR: 73dB ~ 57dB (120Hz)

Quality and Safety Features

Over-current protection

Over-temperature protection

Short-circuit protection

Compatibility

Designed for surface mount technology

Compatible with TO-263-6, D2PAK (5 Leads + Tab), TO-263BA package types

Application Areas

Ideal for power management in sensitive electronics where efficiency and reliability are critical

Product Lifecycle

Status: Obsolete

Future replacements or upgrades not specified, advising consultation for newer alternatives

Several Key Reasons to Choose This Product

Low dropout voltage is ideal for efficient power management

Built-in multiple protection features ensure safe operation under abnormal conditions

Effective PSRR minimizes electronic noise, enhancing performance in noise-sensitive applications

Robust output current of 1.5A suitable for a wide range of applications

Availability in widely used surface mount packages enhances compatibility with modern PCB designs