LR645 Datasheet (Microchip) - High-Input Voltage SMPS Start-up/Linear Regulator

LR645, High-Input Voltage SMPS Start-up/Linear Regulator

LR645 is a high-input voltage, low-output current, linear regulator that is available in two versions.

A 3-terminal, fixed-output voltage version is available in TO-92, TO220 and SOT-89 packages, as well as an adjustable voltage version available in an 8-lead SOIC package.

The 3-terminal version of

LR645 Features

* Accepts inputs from 15 to 450V

* Output currents: up to 3.0mA continuous, 30mA peak

* Supply current typically 50µA

* Line regulation typically 0.1mV/V

* Output can be trimmed from 8.0 to 12V

* Output current can be increased to 150mA with external F