KA78RH33RTM - onsemi

Manufacturer Part Number

KA78RH33RTM

Manufacturer

onsemi

Introduction

The KA78RH33RTM is a Low Drop Out (LDO) regulator designed for power management applications that require a fixed output voltage of 3.3V.

Product Features and Performance

Provides a fixed output voltage of 3.3V

Supports input voltages up to 15V

Capable of delivering output currents up to 800mA

Features a maximum voltage dropout of 1.4V at 800mA load

Low quiescent current of 10 mA

Power Supply Rejection Ratio (PSRR) of 55dB at 120Hz

Product Advantages

Efficient power regulation for stable operation

Handles significant load variations with a high dropout voltage

Suitable for battery-operated devices due to low quiescent current

Key Technical Parameters

Input Voltage (Max): 15V

Output Voltage (Min/Fixed): 3.3V

Output Current: 800mA

Voltage Dropout (Max): 1.4V at 800mA

Quiescent Current (Iq): 10 mA

PSRR: 55dB at 120Hz

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Compatibility

Suitable for surface mount applications

Compatible with TO-252-3, DPAK package

Application Areas

Consumer Electronics

Portable Devices

Battery-Operated Applications

Product Lifecycle

Status: Obsolete

No direct replacements or upgrades available

Several Key Reasons to Choose This Product

Reliable fixed output voltage ensuring consistent performance

Over Current and Over Temperature Protection enhance device safety

Supports a wide input voltage range, up to 15V, making it versatile for various applications

Low dropout voltage and quiescent current ideal for energy-sensitive projects

Suitable for high temperature operations ranging from -25°C to 125°C