LD49300PT08R - STMicroelectronics

Manufacturer Part Number

LD49300PT08R

Manufacturer

stmicroelectronics

Introduction

The LD49300PT08R is a high-performance, low drop out (LDO) voltage regulator designed for power management applications requiring a variable output voltage.

Product Features and Performance

Low dropout voltage: 0.4V at 3A

Adjustable output voltage from 0.8V to 4.5V

High output current up to 3A

Good power supply rejection ratio (PSRR): 68dB at 120Hz

Low quiescent current: 4 mA

Supports enable control feature

Over current and over temperature protection

Product Advantages

High efficiency for power-sensitive applications

Flexible output voltage range suitable for multiple applications

Reliable operation with built-in protection features

Minimal power loss due to low dropout

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 0.8V

Voltage Output (Max): 4.5V

Voltage Dropout (Max): 0.4V @ 3A

Current Output: 3A

Current Quiescent (Iq): 4 mA

Current Supply (Max): 6 mA

PSRR: 68dB (120Hz)

Quality and Safety Features

Over current protection

Over temperature protection

Compatibility

Compatible with various digital and analogue circuits due to its wide output voltage range and high current capability

Application Areas

Power supply for microcontrollers

Portable devices

Power supplies for FPGA, DSP, and other digital ICs

Battery-powered applications

Product Lifecycle

The product is listed as Obsolete, which means it is nearing discontinuation. Customers should seek replacements or upgrades.

Several Key Reasons to Choose This Product

High efficiency and flexibility in output voltage for a wide range of applications

Built-in safety features enhance product reliability and lifespan

Low dropout and quiescent current contribute to better power management

Suitable for a broad spectrum of electronic devices, ensuring versatility in use