LF120ABDT-TR - STMicroelectronics

Manufacturer Part Number

LF120ABDT-TR

Manufacturer

stmicroelectronics

Introduction

The LF120ABDT-TR is a low drop-out (LDO) voltage regulator designed for power management, ensuring stable output voltage from a higher input voltage up to 16V.

Product Features and Performance

Fixed 12V output voltage for consistent performance

Low dropout voltage of 0.7V @ 500mA, minimizing power loss

Supports up to 500mA output current, suitable for various applications

Quiescent current of 1.5 mA, enhancing energy efficiency

Power supply rejection ratio (PSRR) of 69dB ~ 54dB across 120Hz to 10kHz, ensuring stable output under varying conditions

Overcurrent and overtemperature protection features for improved safety and reliability

Product Advantages

High efficiency with low dropout voltage.

Robust protection features enhance device longevity.

Low quiescent current improves power management in battery-powered devices.

Wide operating temperature range from -40°C to 125°C for use in harsh environments.

Key Technical Parameters

Voltage Input (Max): 16V

Voltage Output (Min/Fixed): 12V

Current Output: 500mA

Voltage Dropout (Max): 0.7V @ 500mA

Current Quiescent (Iq): 1.5 mA

PSRR: 69dB ~ 54dB (120Hz ~ 10kHz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Built-in overcurrent and overtemperature protection circuits ensure safe operation under abnormal conditions.

Compatibility

Surface Mount TO-252-3, DPAK package is universally compatible with existing printed circuit board technologies.

Application Areas

Ideal for use in battery-powered devices, automotive applications, and any system requiring stable voltage regulation under varying input conditions.

Product Lifecycle

Currently marked as Active, with no immediate discontinuation notice, ensuring availability for new designs and projects.

Several Key Reasons to Choose This Product

Low dropout voltage maximizes efficiency and battery life.

Robust protection features safeguard your application from unexpected conditions.

High PSRR ensures stable voltage output despite input voltage fluctuations.

Wide operating temperature range allows for use in extreme environmental conditions.

The small footprint and surface mount packaging facilitate easy integration into a wide range of products.