LE33CZ-AP - STMicroelectronics

Manufacturer Part Number

LE33CZ-AP

Manufacturer

STMicroelectronics

Introduction

A low-dropout linear voltage regulator designed for power management applications.

Product Features and Performance

Fixed 3.3V output voltage

Low dropout voltage of 0.5V @ 100mA

Maximum input voltage of 18V

100mA output current capability

Excellent power supply rejection ratio (PSRR) of 80dB @ 120Hz to 60dB @ 10kHz

Quiescent current of 1mA

Maximum supply current of 3mA

Stable with low-ESR capacitors

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

Product Advantages

Minimal power loss due to low dropout voltage

Suitable for battery-powered applications

High PSRR improves power supply noise immunity

Low quiescent current for energy-saving

Robust thermal and over-current protection

Key Technical Parameters

Single regulator output

Fixed output voltage of 3.3V

Maximum input voltage of 18V

Voltage dropout max: 0.5V @ 100mA

Current - Output: 100mA

Quiescent current (Iq): 1mA

Supply current max: 3mA

Quality and Safety Features

Protection against over-current conditions

Over-temperature protection for device safety

Through Hole mounting for secure PCB attachment

Compatibility

Compatible with a variety of capacitors for stable operation

Through Hole TO-92-3 package suitable for standard PCB layouts

Application Areas

Consumer electronics

Portable devices

Embedded systems

Power management circuits

Product Lifecycle

Active product status, no near discontinuation

Replacements or upgrades may be available based on the base product number LE33

Several Key Reasons to Choose This Product

High-reliability LDO for consistent performance

Energy-efficient operation conserves battery life

Comprehensive protection safeguards against system failures

Broad compatibility for hassle-free integration

Extended operational temperature range for challenging environments

Versatile applications from household to industrial sectors