LD59030DTPU28R - STMicroelectronics

Manufacturer Part Number

LD59030DTPU28R

Manufacturer

STMicroelectronics

Introduction

Low Dropout Linear Voltage Regulator

Product Features and Performance

Single output LDO regulator

Input voltage up to 5.5V

Fixed output voltage of 2.8V

Low dropout voltage of 0.23V at 300mA load

Output current capacity of 300mA

Low quiescent current of 40 µA

Enhanced power supply rejection ratio (PSRR) 75dB at 1 kHz, 55dB at 100 kHz

Enable and soft start control features

Over temperature protection

Product Advantages

High-efficiency due to low dropout

Suitable for battery-powered devices with low quiescent current

Stable operation with ceramic capacitors

Good noise performance with high PSRR

Thermal protection enhances safety

Key Technical Parameters

Voltage Input (Max): 5.5V

Voltage Output (Min/Fixed): 2.8V

Voltage Dropout (Max): 0.23V @ 300mA

Current Output: 300mA

Current Quiescent (Iq): 40 µA

Current Supply (Max): 305 µA

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

Quality and Safety Features

Over temperature protection feature

Automotive grade product

Compatibility

Compatible with low ESR ceramic capacitors

Surface mount 4-XDFN Exposed Pad

For use with 4-DFN (1x1) package compatible design

Application Areas

Battery-powered equipment

Portable and wearable devices

Microcontroller power supply

Consumer electronics

Product Lifecycle

Active status

Not nearing discontinuation

Upgrades or replacements are available as needed

Several Key Reasons to Choose This Product

Optimized for battery-operated devices with low dropout and quiescent current

High PSRR for better noise suppression

Compact 4-XDFN package suitable for space-constrained applications

Reliable operation with built-in protection features

STMicroelectronics' reputation for quality and support