L78L33ACZTR - STMicroelectronics

Manufacturer Part Number

L78L33ACZTR

Manufacturer

STMicroelectronics

Introduction

Low power linear voltage regulator for low-current applications

Product Features and Performance

Low dropout voltage

Positive voltage regulator

Fixed output voltage of 3.3V

Single regulator design

Power Supply Rejection Ratio (PSRR) of 49dB at 120Hz

Product Advantages

High efficiency for low-power devices

Stability with low quiescent current of 5.5 mA

Short Circuit and Over Temperature Protection enhances safety

Over Current Protection prevents damage from excessive loads

Key Technical Parameters

Voltage Input (Max): 30V

Voltage Output (Min/Fixed): 3.3V

Current Output: 100mA

Current Quiescent (Iq): 5.5 mA

PSRR: 49dB at 120Hz

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Suitable for use in various electronic circuits requiring a 3.3V fixed output

Through Hole Mounting Type for easy installation on PCBs

Application Areas

Low-power consumer electronics

Low-current power management solutions

Electronic toys and entertainment devices

Product Lifecycle

Active status, not nearing discontinuation

Availability of replacements or upgrades should not be an immediate concern

Several Key Reasons to Choose This Product

STMicroelectronics' reputation for quality and reliability

Ideal for applications where low-current consumption is crucial

Consistent output with minimal voltage fluctuations

Broad operating temperature range from 0°C to 125°C

Easy to use with through hole mounting

Industry-standard TO-92 packaging for widespread compatibility