LDK320AM50R - STMicroelectronics

Manufacturer Part Number

LDK320AM50R

Manufacturer

STMicroelectronics

Introduction

Low-dropout voltage regulator designed for power-sensitive applications.

Product Features and Performance

Fixed 5V output

35V maximum voltage dropout at 200mA load

200mA output current capacity

Low quiescent current of 90 µA

High power supply rejection ratio (PSRR) from 88dB to 48dB over various frequencies

Surface mount (SOT-23-5 package)

Wide operating temperature range from -40°C to 125°C

Product Advantages

High-efficiency in voltage regulation

Minimal power loss due to low dropout

Compact form factor suitable for space-constrained applications

Low noise output, suitable for sensitive electronic equipment

Key Technical Parameters

Input voltage up to 18V

Fixed output voltage of 5V

Maximum current output of 200mA

Quiescent current of 90 µA

Supply maximum current of 100 µA

PSRR of 88dB at 120Hz, decreasing to 48dB at 10kHz

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Compatibility

Compatible with a variety of microcontrollers and digital systems requiring a 5V supply

Surface mount compatible with SC-74A, SOT-753 footprints

Application Areas

Consumer electronics

Portable devices

Industrial controls

Telecommunications

Product Lifecycle

Active product status

Not reported to be nearing discontinuation

Replacements or upgrades should be obtained from the manufacturer

Several Key Reasons to Choose This Product

Stable 5V output for reliable device operation

Energy-efficient performance with high PSRR across a range of frequencies

Robust protection features enhance device longevity and safety

Low quiescent current ideal for battery-powered applications

Operational over a wide temperature range, suitable for harsh environments

Produced by STMicroelectronics, a reputable manufacturer in the semiconductor industry