LDLN030G33R - STMicroelectronics

Manufacturer Part Number

LDLN030G33R

Manufacturer

STMicroelectronics

Introduction

Low Dropout Regulator with Fixed 3.3V Output

Product Features and Performance

Fixed 3.3V Output Voltage

5V Maximum Input Voltage

300mA Output Current Capability

Typical Dropout Voltage of 0.23V at 300mA Load

70dB to 53dB Power Supply Rejection Ratio from 100Hz to 10kHz

Low Quiescent Current of 30 µA

360 µA Maximum Supply Current

Enable Control Feature for Power Saving

Over Current and Over Temperature Protection

Product Advantages

Highly Efficient for Battery-Powered Applications

Stable with Low ESR Ceramic Capacitors

Low Drop Out Voltage for Improved Efficiency

Good PSRR for Noisy Input Supply

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Fixed): 3.3V

Current - Output: 300mA

Current - Quiescent (Iq): 30 µA

PSRR: 70dB ~ 53dB (100Hz ~ 10kHz)

Temperature Range: -40°C to 125°C

Quality and Safety Features

Built-In Over Temperature Protection

Built-In Over Current Protection

Compatibility

Compatible with Surface Mount Technology (SMT)

Suitable for SOT-23-5 Thin, TSOT-23-5 Package Types

Application Areas

Portable and Battery-Powered Devices

Microcontroller Power Supply

Wireless and RF Systems

Product Lifecycle

Active Product Status

Not Nearing Discontinuation

Potential for Future Upgrades Based on LDLN030 Base Product

Several Key Reasons to Choose This Product

Optimized for Low Power Consumption Devices

Improved System Efficiency with Low Dropout Performance

Highly Integrated with Enable Function for Power Management

Robust Temperature Performance for Extended Reliability

Compact SOT-23-5 Package Suitable for Space-Constrained Applications

Strong Power Supply Rejection Ratio facilitating Stable Operation

Low Quiescent Current Enhancing Battery Life