Microchip Technology LR645N8G High-Voltage Linear Regulator
LR645 is a high-input voltage, low-output current linear regulator designed for off-line SMPS start-up circuits, low-power regulators, and noisy input regulation. Capable of accepting input voltages from 15 to 450V, it features adjustable output trimming from 8 to 12V and can deliver up to 3.0mA continuous current, with peak currents up to 30mA. Its low supply current and excellent line regulation make it suitable for compact, high-voltage applications requiring minimal power dissipation. Available in fixed and adjustable versions, it is ideal for power supply start-up and regulation in industrial and consumer electronics.
Microchip Technology LR645N8G High-Voltage Linear Regulator Specifications:
Input Voltage Range: 15 to 450V
Output Voltage: 8 to 12V (adjustable), fixed versions available
Output Current: Up to 3.0mA continuous, peak 30mA
Supply Current: Typically very low, around 50-150 nA
Line Regulation: Typically 0.1mV/V
Ripple Rejection Ratio: Minimum 50dB at 120Hz
Output Voltage Trim Range: 8V to 12V
Temperature Range: -40°C to +125°C
Package Types: TO-92, TO-220, SOT-89, SOIC-8
Protection: Not galvanic isolated; adequate protection required from lethal voltages
Power Dissipation: Calculated based on input-output voltage difference and load; e.g., 400V input, 3mA load results in approx 1.23W dissipation
Buy the Microchip Series LR645 High-Input Voltage SMPS Start-up Regulator: LR645N8G
Get the Microchip LR645 linear regulator now to power your high-voltage applications efficiently. Featuring an input voltage range from 15 to 450V and adjustable output from 8 to 12V, this versatile regulator supports up to 3mA continuous current. Its low supply current and excellent line regulation make it perfect for off-line SMPS start-up and low-power regulation in industrial, consumer, or embedded systems. Easy to install in various packages including TO-92, TO-220, and SOIC-8, ensuring seamless integration into your designs.
Order your Microchip Series LR645N8G high-voltage regulator today and ensure reliable power regulation for your industrial or consumer electronics projects.
Frequently Asked Questions
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You can download the LR645N8G datasheet or visit the Microchip Technology website for support.
Who is the manufacturer of LR645N8G?
Microchip Technology
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