KA7809ERTM - onsemi

Manufacturer Part Number

KA7809ERTM

Manufacturer

onsemi

Introduction

The KA7809ERTM is a linear, low-dropout voltage regulator designed for power management, housed in a DPAK package, and tailored for fixed output voltage applications.

Product Features and Performance

Positive output configuration

Fixed output voltage of 9V

Capable of delivering 1A output current

Low dropout voltage of 2V at 1A load

Quiescent current of 8 mA

High PSRR of 71dB at 120Hz

Short circuit and over-temperature protection

Product Advantages

High efficiency for energy-sensitive applications

Robust thermal and short circuit protection for reliability and safety

Excellent PSRR for stable operation under varying conditions

Low quiescent current for power-saving in standby mode

Key Technical Parameters

Voltage Input (Max): 35V

Voltage Output (Min/Fixed): 9V

Current Output: 1A

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

Current Quiescent (Iq): 8 mA

PSRR: 71dB (120Hz)

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Over temperature protection

Short circuit protection

Compatibility

Surface Mount TO-252-3, DPAK package for compatibility with a wide range of PCB designs

Application Areas

Power supply circuits

Consumer electronics

Industrial controls

Embedded systems

Product Lifecycle

Obsolete status indicating discontinuation

Customers may need to seek replacements or upgrades for new designs

Several Key Reasons to Choose This Product

High reliability under stress with built-in protection features

Suitable for high-efficiency applications due to low dropout

Versatile usage across various applications and industries

Ideal for projects requiring stable 9V output with up to 1A current