LD1085V18 - STMicroelectronics

Manufacturer Part Number

LD1085V18

Manufacturer

stmicroelectronics

Introduction

The LD1085V18 is a low drop out (LDO) voltage regulator designed to provide a fixed 1.8V output from an input voltage up to 30V.

Product Features and Performance

Output Type: Fixed 1.8V

Maximum Input Voltage: 30V

Maximum Drop Out Voltage: 1.5V at 3A

Output Current: 3A

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

Low Quiescent Current: 10 mA

Operating Temperature Range: -40°C to 125°C

Product Advantages

High output current capability up to 3A

Stable with low drop out voltage

Good noise suppression with 72dB PSRR

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 1.8V

Current Output: 3A

Voltage Dropout (Max): 1.5V at 3A

PSRR: 72dB at 120Hz

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Compatibility

Mounting Type: Through Hole

Package / Case: TO-220-3

Application Areas

Ideal for high-performance, low-voltage applications

Suitable for microcontroller, microprocessor, and digital logic supply

Product Lifecycle

Product Status: Obsolete

Consider looking for replacement or upgraded models due to discontinuation

Several Key Reasons to Choose This Product

Reliable performance in a wide operating temperature range of -40°C to 125°C

High PSRR suitable for noise-sensitive applications

Compact TO-220-3 package suitable for through-hole mounting

Enhanced safety features with over current and over temperature protection

Capable of supporting a high output current up to 3A, beneficial for demanding applications