UA78M33CDCY - Texas Instruments

Manufacturer Part Number

UA78M33CDCY

Manufacturer

Texas Instruments

Introduction

The UA78M33CDCY is a series of high-performance, low drop-out (LDO) linear voltage regulators specifically designed for power management applications.

Product Features and Performance

Fixed 3.3V output voltage

Maximum output current of 500mA

Low dropout voltage: 2V @ 350mA

High Power Supply Rejection Ratio (PSRR): 80dB at 120Hz

Built-in over current, over temperature, and short circuit protection

Product Advantages

Stable output voltage ensures reliable device operation

Low dropout increases efficiency in low voltage applications

High PSRR minimizes noise from power supply fluctuations

Built-in protection features enhance device safety and longevity

Key Technical Parameters

Voltage Input (Max): 25V

Voltage Output (Min/Fixed): 3.3V

Current Output: 500mA

Voltage Dropout (Max): 2V @ 350mA

PSRR: 80dB (120Hz)

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

Surface Mount Technology (SMT) for broad compatibility with PCB assembly processes

Package / Case: TO-261-4, TO-261AA

Application Areas

Consumer Electronics

Industrial Control Systems

Telecommunication Devices

Computing Equipment

Product Lifecycle

Active product status indicates ongoing manufacturing and availability

No immediate discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Texas Instruments' reputation for high-quality and reliable semiconductor products

Fixed voltage output compatible with common 3.3V logic levels

High output current suitable for a wide range of applications

Built-in safety features protect the end application and ensure product longevity

High PSRR value ensures stable operation despite fluctuations in input voltage