LD1085D2T33R - STMicroelectronics

Manufacturer Part Number

LD1085D2T33R

Manufacturer

STMicroelectronics

Introduction

Low Dropout (LDO) Voltage Regulator for diverse power management applications.

Product Features and Performance

Positive output configuration

Fixed output voltage type

Single regulator output

Low dropout voltage: 1.5V @ 3A

High output current capability: 3A

Fair quiescent current: 10 mA

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

Thermal and overcurrent protection

Wide operating temperature range: -40°C to 125°C

Product Advantages

High efficiency for low dropout applications

Robust protection features ensure reliability

Suitable for harsh temperature environments

Excellent line and load regulation

Key Technical Parameters

Input Voltage (Max): 30V

Output Voltage (Min/Fixed): 3.3V

Current Output: 3A

Voltage Dropout (Max): 1.5V @ 3A

Current Quiescent (Iq): 10 mA

PSRR: 72dB (120Hz)

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Overcurrent protection

Over-temperature protection

Compatibility

Surface mount compatible

Enclosed in a TO-263-3, D2PAK (2 Leads + Tab), TO-263AB package

Uses D2PAK supplier device package

Application Areas

Consumer Electronics

Industrial Power Supplies

Computer Systems

Telecommunication Infrastructure

Product Lifecycle

Current product status: Active

No immediate discontinuation, replacements, or upgrades specified.

Several Key Reasons to Choose This Product

High reliability with integrated protection features

Efficient power conversion with low voltage dropout

Sustains high output current suitable for demanding applications

Versatile use with 3A current capacity and a wide input voltage range

Suitable for a wide range of operating temperatures

Practical for high-volume applications with Tape & Reel packaging