LR645N3-G - Microchip Technology

Manufacturer Part Number

LR645N3-G

Manufacturer

Microchip Technology

Introduction

The LR645N3-G is a high-voltage, low-dropout (LDO) linear regulator designed for power management applications.

Product Features and Performance

High input voltage range up to 450V

Fixed output voltage of 10V

Output current capability of 3mA

Low quiescent current of 150 µA

Good power supply rejection ratio (PSRR) of 60dB at 120Hz

Product Advantages

Can handle high input voltages, making it suitable for a wide range of applications

Low power consumption due to low quiescent current

Stable output with good noise rejection capabilities

Key Technical Parameters

Voltage Input (Max): 450V

Voltage Output (Min/Fixed): 10V

Current Output: 3mA

Current Quiescent (Iq): 150 µA

PSRR: 60dB (120Hz)

Quality and Safety Features

Operates over a wide temperature range of -55°C to 155°C, ensuring reliability under extreme conditions

Compatibility

Through-hole mounting type allows for easy integration into various circuit designs

TO-92-3 package is compatible with standard PCB layouts

Application Areas

Power supplies

Industrial controls

Consumer electronics

Telecommunications equipment

Product Lifecycle

Currently in Active status with no indication of near-term discontinuation

Availability of replacements or upgrades should be checked with the manufacturer

Several Key Reasons to Choose This Product

High input voltage capability is ideal for industrial and telecommunication applications

Low quiescent current enhances energy efficiency

Reliable performance across a wide operating temperature range

TO-92-3 package ensures compatibility with a wide range of circuit designs

Strong PSRR feature provides stable voltage output in noisy environments