LD59030DTPU33R - STMicroelectronics

Manufacturer Part Number

LD59030DTPU33R

Manufacturer

STMicroelectronics

Introduction

The LD59030DTPU33R is a linear, low-dropout (LDO) voltage regulator with a fixed 3.3V output, ideal for power-sensitive applications.

Product Features and Performance

Low dropout voltage of 0.23V @ 300mA load

300mA output current capability

Quiescent current of 40 µA

Excellent PSRR of 75dB at 1kHz and 55dB at 100kHz

Enable pin for power saving

Soft Start feature to reduce inrush current

Over Temperature Protection for safety and reliability

Surface mount 4-XDFN Exposed Pad package for compact design

Low supply current of 305 µA

Product Advantages

High power supply rejection ratio maintains stable output despite variations in input voltage

Low dropout voltage improves efficiency and allows operation close to the input voltage

Over Temperature Protection increases product lifespan and ensures safe operation

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.23V @ 300mA

Current Output: 300mA

Current Quiescent (Iq): 40 µA

Current Supply (Max): 305 µA

PSRR: 75dB ~ 55dB (1kHz ~ 100kHz)

Operating Temperature: -40°C ~ 125°C

Control and Protection Features: Enable, Soft Start, Over Temperature

Quality and Safety Features

Built-in Over Temperature Protection

Robust operating temperature range of -40°C to 125°C

Compatibility

Compatible with various digital and analog circuits requiring a stable 3.3V supply

Application Areas

Consumer Electronics

Portable Devices

Industrial Control Systems

Medical Equipment

Product Lifecycle

Active status, not nearing discontinuation

Availability of replacements or upgrades not explicitly stated

Several Key Reasons to Choose This Product

The LD59030DTPU33R provides a stable and efficient power solution with its low dropout voltage and high PSRR.

The low quiescent current is ideal for battery-powered applications, extending operation time.

The enable and soft start features offer enhanced control over power management, contributing to the safety and prevention of power surges.

This LDO is designed to meet various application demands, with a wide operating temperature range and compact package size.

The reliability of the product is ensured through protection features, making it suitable for demanding environments.

STMicroelectronics is a reputable manufacturer known for its high-quality power management solutions.