LDK120M32R - STMicroelectronics

Manufacturer Part Number

LDK120M32R

Manufacturer

stmicroelectronics

Introduction

The LDK120M32R is a low dropout voltage regulator specifically designed for stable and reliable power management.

Product Features and Performance

Positive output configuration

Fixed output type with output voltage of 3.2V

Supports input voltage up to 5.5V

Low dropout voltage of 0.3V at 200mA load

Output current capacity of 200mA

Quiescent current of 60 µA

Supply current up to 100 µA

Power supply rejection ratio (PSRR) of 55dB from 120Hz to 10kHz

Integrated enable control feature

Thermal and overcurrent protection included

Product Advantages

High efficiency with low dropout voltage

Minimal quiescent current enhances power saving

Robust protection features ensure reliability and safety

Compact SOT-23-5 package suitable for space-constrained applications

Key Technical Parameters

Input Voltage (Max): 5.5V

Output Voltage (Min/Fixed): 3.2V

Dropout Voltage (Max): 0.3V at 200mA

Output Current: 200mA

Quiescent Current (Iq): 60 µA

Supply Current (Max): 100 µA

PSRR: 55dB (120Hz to 10kHz)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Reliable operation from -40°C to 125°C

Compatibility

SOT-23-5 package is compatible with standard surface mount processes

Application Areas

Mobile devices

Wireless communication systems

Portable electronics

Power supply modules

Product Lifecycle

Currently active product with no discontinuation foreseen

Replacement and upgrade options available through the LDK120 series

Several Key Reasons to Choose This Product

Low dropout feature maximizes efficiency in low-voltage applications

High PSRR ensures stable output despite variations in input voltage

Extended operational temperature range makes it suitable for harsh environments

Minimal design complexity due to integrated features like enable control and protection mechanisms