LF33ABDT-TR - STMicroelectronics

Manufacturer Part Number

LF33ABDT-TR

Manufacturer

STMicroelectronics

Introduction

The LF33ABDT-TR is a 3.3V, 500mA linear voltage regulator with high PSRR and integrated protection features.

Product Features and Performance

Fixed 3.3V output voltage

500mA output current

Wide 16V input voltage range

High PSRR of 80dB to 65dB (120Hz to 65dB)

Integrated over-current and over-temperature protection

Low 0.7V voltage dropout at 500mA

Single regulator design

Low 1mA quiescent current, 12mA maximum supply current

Product Advantages

Stable and reliable output voltage

Protects against overcurrent and overheating

Efficient power delivery with low voltage dropout

Small size and simple single-regulator design

Key Technical Parameters

Output Voltage: 3.3V

Output Current: 500mA

Input Voltage: Up to 16V

PSRR: 80dB to 65dB (120Hz to 65dB)

Voltage Dropout: 0.7V @ 500mA

Number of Regulators: 1

Quiescent Current: 1mA

Supply Current (Max): 12mA

Quality and Safety Features

ROHS3 compliant

Integrated overcurrent and overtemperature protection

Compatibility

TO-252-3, DPak (2 Leads + Tab), SC-63 package

Surface mount assembly

Application Areas

Power supplies

Consumer electronics

Industrial equipment

Telecommunications

Product Lifecycle

The LF33ABDT-TR is an active product with no plans for discontinuation.

Replacement or upgrade options are available from STMicroelectronics.

Key Reasons to Choose This Product

Stable and reliable 3.3V output with high PSRR

Integrated protection features for overcurrent and overtemperature

Efficient power delivery with low voltage dropout

Small size and simple single-regulator design

RoHS3 compliance for environmental safety

Availability of replacement and upgrade options from the manufacturer