NCV4276DT33RKG - onsemi

Manufacturer Part Number

NCV4276DT33RKG

Manufacturer

onsemi

Introduction

NCV4276DT33RKG is an automotive-grade, low dropout linear voltage regulator designed for power management applications.

Product Features and Performance

Output Configuration: Positive

Output Type: Fixed

Single regulator output with an output voltage of 3.3V

Maximum input voltage of 45V

Dropout voltage of 1.332V at 250mA

Output current capability of 400mA

Low quiescent current of 220 µA

Power supply rejection ratio (PSRR) of 60dB at 100Hz

Product Advantages

Reverse polarity protection

Over-temperature protection

Short circuit protection

Key Technical Parameters

Voltage Input (Max): 45V

Voltage Output (Min/Fixed): 3.3V

Current Output: 400mA

Dropout Voltage (Max): 1.332V @ 250mA

Quiescent Current (Iq): 220 µA

Quality and Safety Features

Operating Temperature: -40°C ~ 150°C

Automotive grade with AEC-Q100 qualification

Compatibility

Mounting Type: Surface Mount

Package / Case: TO-252-5, DPAK (4 Leads + Tab), TO-252AD

Application Areas

Automotive electronics

Power management systems

Electronic control units (ECUs)

Product Lifecycle

Product Status: Obsolete

Availability of replacements or upgrades: Check with manufacturer for modern equivalents or consult product portfolio for newer models.

Several Key Reasons to Choose This Product

High tolerance to input voltage up to 45V, suitable for fluctuating environments

Robust safety features including protection against reverse polarity, over-temperature, and short circuits

Low dropout performance (1.332V at 250mA), making it efficient for low voltage applications

Low quiescent current reduces power loss when idle, enhancing energy efficiency

Suitable for rigorous automotive applications with a broad operating temperature range and AEC-Q100 qualification