MC33269D-3.3 - onsemi

Manufacturer Part Number

MC33269D-3.3

Manufacturer

onsemi

Introduction

The MC33269D-3.3 is a low dropout (LDO) linear voltage regulator, designed to deliver a fixed output voltage of 3.3V with a maximum output current of 800mA.

Product Features and Performance

Fixed output voltage of 3.3V

Maximum output of 800mA

Input voltage up to 20V

Low dropout voltage of 1.35V at 800mA

Quiescent current of 8 mA

Power supply rejection ratio (PSRR) of 55dB at 120Hz

Product Advantages

High efficiency due to low dropout voltage

Minimal design effort required for fixed output

Enhanced reliability with over temperature and short circuit protection

Key Technical Parameters

Voltage - Input (Max): 20V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 800mA

Voltage Dropout (Max): 1.35V @ 800mA

Current - Quiescent (Iq): 8 mA

PSRR: 55dB (120Hz)

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Compatibility

Suitable for surface mount technology with 8-SOIC package

Application Areas

Ideal for consumer electronics

Suitable for microcontroller power supplies

Optimal for battery-powered devices

Product Lifecycle

Product Status: Obsolete

No direct replacements or upgrades mentioned

Several Key Reasons to Choose This Product

Optimal choice for applications with limited space due to its small 8-SOIC package

Robust protection features enhance product reliability and longevity

Low quiescent current and excellent PSRR make it suitable for noise-sensitive applications

Fixed voltage output reduces complexity in circuit design

Ideal for diverse applications ranging from consumer electronics to battery-operated devices.