LR645N8-G - Microchip Technology

Manufacturer Part Number

LR645N8-G

Manufacturer

Microchip Technology

Introduction

The LR645N8-G is a low drop out (LDO) linear voltage regulator designed to handle high input voltages up to 450V and output a fixed 10V, specifically catered for power-sensitive applications with its low quiescent current.

Product Features and Performance

Handles high input voltage up to 450V

Output voltage fixed at 10V

Low output current of 3mA

Quiescent current of 150 µA

Power Supply Rejection Ratio (PSRR) at 60dB (120Hz)

Product Advantages

High voltage capability makes it suitable for industrial applications

Fixed output simplifies circuit design

Low quiescent current enhances power efficiency

Robust PSRR for stable operation amidst variable supply

Key Technical Parameters

Input Voltage (Max): 450V

Output Voltage (Min/Fixed): 10V

Current - Output: 3mA

Current - Quiescent (Iq): 150 µA

PSRR: 60dB (120Hz)

Quality and Safety Features

Designed to operate within a wide temperature range of -55°C ~ 155°C ensuring reliability under extreme conditions

Compatibility

Surface Mount TO-243AA package compatible with standard PCB manufacturing processes

Application Areas

Suitable for powering microcontrollers, sensors, and other electronic devices in industrial and high voltage environments

Product Lifecycle

Currently active with no indication of discontinuation, ensuring long-term availability for new designs and existing systems

Several Key Reasons to Choose This Product

Capable of handling very high input voltages up to 450V, ideal for industrial applications

Low quiescent current aids in designing power-efficient systems

Stable output with excellent PSRR at 60dB

Wide operating temperature range ensures reliability in harsh environments

Direct replacement available under the same manufacturer product family