MC7809CT - onsemi

Manufacturer Part Number

MC7809CT

Manufacturer

onsemi

Introduction

Voltage regulator from onsemi designed for Power Management applications

Product Features and Performance

Positive output configuration

Fixed output voltage

Single-channel voltage regulator

Maximum 35V input voltage

Fixed 9V output voltage

2V (Typ) maximum voltage dropout at 1A

1A current output capacity

8 mA quiescent current

61dB (120Hz) power supply rejection ratio

Product Advantages

Over-temperature protection

Short circuit protection

Key Technical Parameters

Input Voltage (Max): 35V

Output Voltage (Min/Fixed): 9V

Voltage Dropout (Max): 2V @ 1A (Typ)

Current - Output: 1A

Current - Quiescent (Iq): 8 mA

PSRR: 61dB (120Hz)

Quality and Safety Features

Protection for over-temperature conditions

Short circuit protection mechanism

Compatibility

TO-220-3 package for through-hole mounting

Application Areas

Voltage regulation in Power Management systems

Product Lifecycle

Obsolete status

Potential need to seek out replacements or upgrades

Several Key Reasons to Choose This Product

Stable 9V output for a variety of applications

Capable of handling up to 1A of output current

Over-temperature and short circuit protections for improved safety and longevity

Good power supply rejection ratio (PSRR) of 61dB at 120Hz

Well-suited for applications requiring up to 35V of input voltage

Through-hole package (TO-220-3) facilitates easier mounting and heat dissipation