LD1085D2M18R - STMicroelectronics

Manufacturer Part Number

LD1085D2M18R

Manufacturer

stmicroelectronics

Introduction

LD1085D2M18R is an LDO (Low Dropout) regulator designed to output a fixed voltage of 1.8V, offering reliable voltage regulation with low dropout.

Product Features and Performance

Fixed output voltage of 1.8V

Maximum input voltage of 30V

Maximum dropout voltage of 1.5V at 3A current

Output current capability up to 3A

Low quiescent current of 10mA

Power Supply Rejection Ratio (PSRR) of 72dB at 120Hz

Product Advantages

Low dropout voltage enhances efficiency

High current output suitable for a variety of applications

Excellent line and load regulation maintains stable output

High PSRR provides good noise immunity

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 1.8V

Current Output: 3A

Voltage Dropout (Max): 1.5V @ 3A

Current Quiescent (Iq): 10 mA

PSRR: 72dB (120Hz)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Operating Temperature range from -40°C to 125°C

Compatibility

Suitable for surface mount applications

Compatible with TO-263-4, D2PAK (3 Leads + Tab), TO-263AA package types

Application Areas

Power regulation for microprocessors

High current applications in consumer electronic devices

Power management in telecommunications equipment

Product Lifecycle

Status: Active

Not nearing discontinuation

Availability of replacements or upgrades should existing model be superseded

Several Key Reasons to Choose This Product

Highly efficient with a low voltage dropout feature for enhanced performance

Supports up to 3A of output current, ideal for heavy load applications

Built-in safety features for robust operation across varying conditions

Excellent noise rejection capabilities make it suitable for sensitive applications

Long product lifecycle and active status ensure long-term availability and support