LF33CDT-TRY - STMicroelectronics

Manufacturer Part Number

LF33CDT-TRY

Manufacturer

stmicroelectronics

Introduction

The LF33CDT-TRY is a low drop out (LDO) linear voltage regulator designed for power management, capable of providing a fixed output of 3.3V.

Product Features and Performance

Fixed output voltage of 3.3V

Maximum input voltage of 16V

Output current up to 500mA

Dropout voltage of up to 1.3V at 500mA load

Power Supply Rejection Ratio (PSRR) ranges from 80dB to 65dB

Product Advantages

Operates over a wide temperature range from -40°C to 125°C

Features protections like Over Current and Over Temperature

Automotive grade quality and reliability, qualified by AEC-Q100

Key Technical Parameters

Input Voltage (Max): 16V

Output Voltage (Min/Fixed): 3.3V

Current - Output: 500mA

Voltage Dropout (Max): 1.3V @ 500mA

Quiescent Current (Iq): 2 mA

Supply Current (Max): 12 mA

Power Supply Rejection Ratio (PSRR): 80dB ~ 65dB

Quality and Safety Features

Over Current and Over Temperature protections

AEC-Q100 qualification for automotive standards

Compatibility

Packaged in a standard TO-252-3, DPAK (2 Leads + Tab), SC-63 making it compatible with surface mount installations.

Application Areas

Primarily targeted at automotive applications due to the robustness and reliability required.

Product Lifecycle

The product status is listed as obsolete suggesting it is nearing discontinuation. Replacement or upgrade options should be sought for new designs.

Several Key Reasons to Choose This Product

High reliability and performance suitable for automotive applications

Excellent dropout performance for stability

Built-in safety features enhance component and circuit protection

Compliance with AEC-Q100 standards ensures automotive quality

Offers a balance between performance and low quiescent current