LP3853ES-3.3 - Texas Instruments

Manufacturer Part Number

LP3853ES-3.3

Manufacturer

Texas Instruments

Introduction

The LP3853ES-3.3 is a low dropout (LDO) regulator designed for power management, capable of delivering a fixed output of 3.3V from an input up to 7V.

Product Features and Performance

Fixed 3.3V output voltage

Low dropout voltage: 0.6V @ 3A

Maximum output current: 3A

Quiescent current: 4 mA

Supply current (max): 10 mA

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

Integrated features: Enable, over current, over temperature, short circuit protection

Operating temperature range: -40°C to 125°C

Product Advantages

High efficiency due to low dropout voltage

Robust protection features enhance safety and longevity

Low quiescent current improves energy efficiency

Wide operating temperature range suits various applications

Key Technical Parameters

Input Voltage (Max): 7V

Output Voltage (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.6V @ 3A

Output Current: 3A

Quiescent Current (Iq): 4 mA

Supply Current (Max): 10 mA

PSRR: 73dB ~ 57dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Suitable for surface mount applications

Packaged in TO-263 (DDPAK-5) for efficient thermal management

Application Areas

Telecommunications

Consumer Electronics

Industrial control systems

Computing devices

Product Lifecycle

Status: Last Time Buy (indicates nearing discontinuation)

Replacements or upgrades should be considered for long-term projects

Several Key Reasons to Choose This Product

Low dropout voltage facilitates efficient use in low voltage applications

Integrated protection features ensure reliability and safety across various conditions

Optimized for energy-sensitive projects due to low quiescent current

Broad compatibility with a wide operating temperature and surface mount packaging

Ideal for high-performance applications requiring up to 3A of output current