LM7905CT - Fairchild Semiconductor

Manufacturer Part Number

LM7905CT

Manufacturer

Texas Instruments

Introduction

The LM7905CT is a negative output fixed linear voltage regulator designed to manage power distribution efficiently, suitable for applications requiring a regulated power supply with a fixed output of -5V.

Product Features and Performance

Fixed output voltage of -5V

Maximum input voltage of -25V

Maximum current output of 1.5A

Voltage dropout of 1.1V at 1A

Power supply rejection ratio (PSRR) of 66dB at 120Hz

Over temperature and short circuit protection

Product Advantages

High output current capability

Low quiescent current of 1 mA, ensuring minimal power loss when idle

Robust protection features enhance reliability and safety

Good noise rejection with a 66dB PSRR

Key Technical Parameters

Output Voltage: -5V (Fixed)

Input Voltage: up to -25V

Current Output: 1.5A

Dropout Voltage: 1.1V at 1A

Quiescent Current: 1 mA

PSRR: 66dB (120Hz)

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with various applications requiring a fixed output linear regulator

TO-220-3 Package compatible with through-hole mounting

Application Areas

Industrial electronics

Consumer electronics requiring stable negative voltage supply

Telecommunications equipment

Product Lifecycle

Last Time Buy status indicates nearing discontinuation

Users should consider securing additional units or look for replacements or upgrades

Several Key Reasons to Choose This Product

Stable and reliable fixed output voltage for critical applications

High efficiency with low dropout voltage and quiescent current

Strong safety and protection features ensuring equipment longevity

Suitable for various applications due to its negative output configuration

Backed by the quality and reliability of Texas Instruments

Product still available for purchase but should be secured soon due to Last Time Buy status