NCP785AH33T1G - onsemi

Manufacturer Part Number

NCP785AH33T1G

Manufacturer

onsemi

Introduction

Voltage regulator for high-input voltage applications

Product Features and Performance

High input voltage capability up to 450V

Fixed 3.3V output voltage

Low quiescent current at 14 µA

Power Supply Rejection Ratio (PSRR) of 70dB at 1kHz

Single regulator output

Positive output configuration

Tape & Reel (TR) packaging for automated assembly

Product Advantages

Suitable for applications with high input voltages

Energy efficient with low quiescent current

Excellent noise rejection with high PSRR value

Protection against overcurrent and over-temperature scenarios

Key Technical Parameters

Voltage - Input (Max): 450V

Voltage - Output (Min/Fixed): 3.3V

Current - Output: 10mA

Current - Quiescent (Iq): 14 µA

PSRR: 70dB (1kHz)

Quality and Safety Features

Over Current protection

Over Temperature protection

Compatibility

Surface Mount compatible

Package / Case: TO-243AA

Supplier Device Package: SOT-89-3

Application Areas

Industrial power systems

Metering and energy monitoring

High-voltage power supply modules

Telecommunications equipment

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation

Replacements or upgrades should be available if needed

Several Key Reasons to Choose This Product

Handles up to 450V input, ideal for industrial applications

Energy-efficient device with very low quiescent current

Stable voltage regulation with a fixed 3.3V output

High PSRR ensuring low noise operating conditions

Robust thermal and current protection features

Readily available in surface mount packaging for ease of manufacturing

Active product status with support and availability from onsemi