KA78RH33RTF - onsemi

Manufacturer Part Number

KA78RH33RTF

Manufacturer

onsemi

Introduction

The KA78RH33RTF is a fixed output, low-dropout (LDO) linear regulator designed for power management in various applications.

Product Features and Performance

Low dropout voltage of 1.4V at 800mA load

Fixed output voltage of 3.3V

Maximum input voltage of 15V

Output current capacity of 800mA

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

Positive output configuration

Product Advantages

High stability and reliability due to built-in over current and over temperature protection

Suitable for high-temperature operations, with a range from -25°C to 125°C

Key Technical Parameters

Output Voltage (Min/Fixed): 3.3V

Voltage Dropout (Max): 1.4V @ 800mA

Current Output: 800mA

Current Quiescent (Iq): 10 mA

PSRR: 55dB (120Hz)

Operating Temperature: -25°C ~ 125°C

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Compatibility

Compatible with surface mount technology

Mounting Type: Surface Mount

Package / Case: TO-252-3, DPAK (2 Leads + Tab), SC-63

Application Areas

Ideal for low-voltage, high-current applications

Suitable in consumer electronics, industrial controls, and automotive systems

Product Lifecycle

Product Status: Obsolete

Contact manufacturer for replacement or upgrade options

Several Key Reasons to Choose This Product

Efficient power management with low dropout

High reliability and protection features ensure stable performance in various environments

Suitable for high-temperature operations making it versatile for different industry applications

Compact DPAK package suitable for space-constrained applications