MC33269ST-3.3T3G - onsemi

Manufacturer Part Number

MC33269ST-3.3T3G

Manufacturer

onsemi

Introduction

The MC33269ST-3.3T3G is a low drop-out (LDO) linear voltage regulator designed for powering low voltage circuits. Optimized for low power consumption and high efficiency, this LDO is suitable for a wide range of applications.

Product Features and Performance

Low Drop-Out: Provides stable output even with low input-output voltage differential.

High Output Current: Capable of delivering up to 800mA of output current.

Good Power Supply Rejection Ratio (PSRR): 55dB at 120Hz, minimizing noise from input power fluctuations.

Over-Temperature and Short Circuit Protection: Enhances the reliability and longevity of the device.

Low Quiescent Current: 8 mA, contributing to energy efficiency in end applications.

Product Advantages

High efficiency across a wide range of operating conditions.

Robust protection features ensure safe operation under abnormal conditions.

Minimal dropout voltage facilitates operation in low-voltage environments.

Suitable for battery-powered devices due to low quiescent current.

Key Technical Parameters

Voltage Input (Max): 20V

Voltage Output (Min/Fixed): 3.3V

Current Output: 800mA

Voltage Dropout (Max): 1.35V @ 800mA

PSRR: 55dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over Temperature Protection: Prevents damage from overheating.

Short Circuit Protection: Guards against circuit damage from output short circuits.

Compatibility

Versatile for use in various applications due to fixed 3.3V output.

Surface Mount Package: Facilitates integration into a wide range of PCB designs.

Application Areas

Consumer Electronics

IoT Devices

Portable and Battery-powered Devices

Industrial Controls

Telecommunications Equipment

Product Lifecycle

Active: Current product not nearing discontinuation.

Availability of replacements or upgrades should be monitored via onsemi's product updates.

Several Key Reasons to Choose This Product

Reliable performance in a compact SOT-223 package.

Low dropout voltage enhances power efficiency, making it ideal for low-voltage operations.

Comprehensive protection features ensure durability and stability.

High output current capacity supports a wide range of applications.

Efficient operation with low quiescent current, extending battery life in portable devices.