Microchip Technology

LR645N3-G  

Linear & Switching Voltage Regulators

LR645N3-G Description

The LR645N3-G from Microchip Technology is a fixed-output linear voltage regulator designed for precision low-power applications. With a 10V fixed output and a 3mA current capability, it operates within a wide input voltage range up to 450V, making it suitable for high-voltage environments. This regulator features a low quiescent current of 150 µA, ensuring minimal power loss in standby modes. Its 60dB PSRR (120Hz) provides excellent noise rejection, critical for sensitive analog and digital circuits. Packaged in a TO-92-3 through-hole format, the LR645N3-G is RoHS3 compliant and REACH unaffected, meeting stringent environmental standards.

LR645N3-G Features

• High Input Voltage Tolerance (450V Max): Ideal for industrial and automotive applications.
• Low Quiescent Current (150 µA): Enhances efficiency in battery-operated systems.
• 60dB PSRR (120Hz): Superior noise suppression for stable voltage regulation.
• Fixed 10V Output: Simplifies design by eliminating external feedback components.
• 3mA Output Current: Suitable for low-power sensors, microcontrollers, and reference circuits.
• TO-92-3 Package: Compact and easy to integrate into through-hole PCB designs.
• RoHS3 & REACH Compliant: Environmentally friendly and globally accepted.

LR645N3-G Applications

• Industrial Control Systems: High-voltage regulation for PLCs and instrumentation.
• Automotive Electronics: Stable voltage supply for sensors and low-power modules.
• HVAC & Power Management: Noise-sensitive analog circuits requiring clean power.
• Battery-Powered Devices: Prolongs battery life in IoT and portable equipment.
• Reference Voltage Circuits: Precision voltage sources for ADCs and DACs.

Conclusion of LR645N3-G

The LR645N3-G stands out as a robust, high-voltage linear regulator with low power consumption and exceptional noise immunity. Its compact TO-92-3 package and compliance with environmental regulations make it a versatile choice for industrial, automotive, and low-power applications. Engineers seeking a reliable, high-performance regulator for demanding environments will find the LR645N3-G an optimal solution.

LR645N3-G Documents

Download datasheets and manufacturer documentation for LR645N3-G

PCN Assembly/Origin :

Mold Compound 11/Mar/2022      

Datasheets :

LR645      

PCN Packaging :

Label and Packing Changes 23/Sep/2015      

HTML Datasheet :

LR645      

PCN Design/Specification :

Datasheet Update 14/Apr/2015      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH