LD29080S33R - STMicroelectronics

Manufacturer Part Number

LD29080S33R

Manufacturer

stmicroelectronics

Introduction

The LD29080S33R is a voltage regulator designed for power management, specifically as a low drop-out (LDO) linear regulator.

Product Features and Performance

Low dropout voltage: 0.7V @ 800mA

Fixed output voltage of 3.3V

Maximum input voltage of 13V

Output current capability of 800mA

Low quiescent current: 180 µA

High PSRR: 67dB at 120Hz

Protection features include over current and over temperature

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

Surface mount package: TO-261-4, TO-261AA (SOT-223)

Product Advantages

Efficient power regulation with low dropout

Robust protection features ensure long-term reliability under various conditions

Suitable for tight space applications due to compact SOT-223 package

Key Technical Parameters

Voltage Input (Max): 13V

Voltage Output (Min/Fixed): 3.3V

Voltage Dropout (Max): 0.7V @ 800mA

Current Output: 800mA

Current Quiescent (Iq): 180 µA

PSRR: 67dB (120Hz)

Quality and Safety Features

Over current protection

Over temperature protection

Compatibility

Compatible with applications requiring 3.3V regulated output up to 800mA

Application Areas

Consumer electronics

Telecommunication systems

Peripheral devices for computers

Product Lifecycle

Status: Obsolete

No direct replacements or upgrades specified

Several Key Reasons to Choose This Product

High efficiency with low voltage dropout suitable for low-power applications

Integrated protection features enhance device reliability and safety

Wide operating temperature range suitable for extreme environments

Compact package ideal for space-constrained applications