LDK320ADU120R - STMicroelectronics

Manufacturer Part Number

LDK320ADU120R

Manufacturer

stmicroelectronics

Introduction

The LDK320ADU120R is a linear low dropout (LDO) voltage regulator designed for power management, providing consistent and stable 12V output with a maximum input voltage of 18V.

Product Features and Performance

Fixed output of 12V

Low dropout voltage of 0.35V at 200mA load

Output current capacity of 200mA

Low quiescent current of 90 µA

High power supply rejection ratio (PSRR) ranging from 88dB to 48dB between 120Hz and 10kHz

Surface mount package

Product Advantages

High PSRR ensures minimal noise interference.

Low dropout voltage enhances efficiency.

Low quiescent current improves battery life in portable applications.

Key Technical Parameters

Input Voltage (Max): 18V

Output Voltage (Min/Fixed): 12V

Voltage Dropout (Max): 0.35V @ 200mA

Current Output: 200mA

Current Quiescent (Iq): 90 µA

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

Quality and Safety Features

Overcurrent and over-temperature protection

Compatibility

Compatible with applications requiring up to 18V input and fixed 12V output.

Application Areas

Suitable for low power and battery-powered devices in various fields including consumer electronics, telecommunications, and industrial equipment.

Product Lifecycle

The product status is active.

No imminent discontinuation, replacements or upgrades needed at this time.

Several Key Reasons to Choose This Product

High PSRR minimizes output noise and maintains stable voltage.

Low dropout enables efficient use of input power.

Embedded protection features safeguard the device from electrical hazards.

Low quiescent current is ideal for battery-sensitive applications.

Stable performance across a wide operational temperature range from -40°C to 125°C for versatility in various environments.