LDFM50DT-TR - STMicroelectronics

Manufacturer Part Number

LDFM50DT-TR

Manufacturer

stmicroelectronics

Introduction

The LDFM50DT-TR is a low dropout (LDO) regulator designed for maintaining a consistent 5V output with a variety of protective features.

Product Features and Performance

Fixed 5V output voltage

Maximum input voltage of 16V

Low dropout voltage of 0.3V at 500mA load

Power supply rejection ratio (PSRR) between 60dB and 52dB across 120Hz to 100kHz

Output current capacity of 500mA

Product Advantages

High efficiency due to low dropout voltage

Built-in protective features such as Over Current, Over Temperature, and Under Voltage Lockout

Enhanced system stability through stable output voltage

Key Technical Parameters

Voltage - Input (Max): 16V

Voltage - Output (Min/Fixed): 5V

Voltage Dropout (Max): 0.3V @ 500mA

Current - Output: 500mA

Current - Quiescent (Iq): 800 µA

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Under Voltage Lockout (UVLO)

Compatibility

Suitable for surface mount technology with TO-252-3, DPAK package

Application Areas

Suitable for high-efficiency power regulation in consumer electronics

Useful in automotive electronics for stable voltage supply

Ideal for applications requiring a fixed 5V output under varying input conditions

Product Lifecycle

Status: Obsolete

Note: Customers should consider seeking replacements or upgrades, as this product is no longer being manufactured

Several Key Reasons to Choose This Product

Maintains a fixed output with high accuracy under variable input conditions

Low quiescent current enhances battery life in portable devices

Robust temperature range allows use in extreme environmental conditions

Integrated safety features prevent damage under abnormal conditions

Positive output configuration facilitates easier integration into varied circuit designs