LDK320ADU50R - STMicroelectronics

Manufacturer Part Number

LDK320ADU50R

Manufacturer

stmicroelectronics

Introduction

The LDK320ADU50R is a low drop-out linear voltage regulator designed for power management in various applications, providing a stable fixed output voltage of 5V.

Product Features and Performance

Fixed output voltage of 5V

Maximum input voltage up to 18V

Low dropout voltage of 0.35V at 200mA load

Output current capability of 200mA

Quiescent current of 90 µA

Supply current maximum of 100 µA

PSRR ranges from 88dB to 48dB between 120Hz to 10kHz

Product Advantages

High efficiency with low dropout voltage

Stable output over varying load and input conditions

Low quiescent current enhances power conservation

Key Technical Parameters

Voltage - Input (Max): 18V

Voltage - Output (Min/Fixed): 5V

Voltage Dropout (Max): 0.35V @ 200mA

Current - Output: 200mA

Current - Quiescent (Iq): 90 µA

Current - Supply (Max): 100 µA

PSRR: 88dB ~ 48dB (120Hz ~ 10kHz)

Quality and Safety Features

Protection against overcurrent and overtemperature scenarios ensures device longevity and reliability.

Compatibility

Surface Mount, TO-243AA Package

Utilizes SOT-89 device package

Application Areas

Designed for use in power-critical applications requiring stable voltage supply such as embedded systems, consumer electronics, and IoT devices.

Product Lifecycle

The product is currently active with no indications of nearing discontinuation. Upgrades or replacements are available if required.

Several Key Reasons to Choose This Product

Provides a reliable fixed output with high accuracy

Operates efficiently under wide input voltage ranges up to 18V

Low-dropout voltage ensures performance even with minimal difference between input and output

High PSRR offering reduced noise and ripple in output

Offers robust protection features enhancing device reliability and safety

Low power consumption with ultra-low quiescent current

Wide operating temperature range suitable for various environments