LDK320ADU33R - STMicroelectronics

Manufacturer Part Number

LDK320ADU33R

Manufacturer

STMicroelectronics

Introduction

High-performance linear voltage regulator IC

Designed for a wide range of applications that require a fixed 3.3V output

Product Features and Performance

Fixed 3.3V output voltage

Output current up to 200mA

Wide input voltage range up to 18V

Low dropout voltage of 0.35V at 200mA output current

High power supply rejection ratio (PSRR) of 88dB to 48dB (120Hz to 10kHz)

Over-current and over-temperature protection

Very low quiescent current of 90μA

Small SOT-89 package

Product Advantages

Compact size and high integration for space-constrained designs

Excellent regulation and stability for sensitive analog/digital circuits

Robust protection features for reliable operation

Low power consumption for extended battery life

Key Technical Parameters

Output Voltage: 3.3V (fixed)

Output Current: 200mA

Input Voltage Range: Up to 18V

Dropout Voltage: 0.35V @ 200mA

Quiescent Current: 90μA

Operating Temperature: -40°C to 125°C

Quality and Safety Features

ROHS3 compliant

Overcurrent and overtemperature protection

Compatibility

Suitable for a wide range of electronic devices and systems requiring a 3.3V regulated power supply

Application Areas

Portable electronics

Industrial control and automation

Telecommunications equipment

Automotive electronics

Medical devices

Product Lifecycle

The LDK320ADU33R is an active and widely available product from STMicroelectronics.

Replacement or upgrade options may be available from STMicroelectronics or other voltage regulator suppliers.

Several Key Reasons to Choose This Product

High performance and reliability with robust protection features

Low power consumption and small package size for space-constrained designs

Wide operating temperature range for use in diverse environments

Compatibility with a variety of electronic systems requiring a 3.3V regulated power supply

Availability and support from a leading semiconductor manufacturer, STMicroelectronics