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Microchip Technology HV9921N3G LED Driver IC
HV9921, HV9922, and HV9923 are efficient PWM LED driver ICs designed for driving multiple LEDs with constant current regulation. Operating from universal 85-264VAC or 20-400VDC sources, they feature an internal high-voltage MOSFET with fixed off-time control, making them ideal for decorative and low-power lighting applications. They support series-connected LEDs, maintain consistent brightness, and exhibit high efficiency, reliability, and compatibility with dimmers. Their compact packages and robust design ensure optimal performance in various lighting setups, simplifying LED string powering and enhancing overall system stability.
Microchip Technology HV9921N3G LED Driver IC Specifications:
- Constant output current: HV9921 - 20mA, HV9922 - 50mA, HV9923 - 30mA
- Universal operation: 85-264VAC or 20-400VDC
- Fixed off-time buck converter with approximately 10us off-time
- Internal high-voltage 475V MOSFET
- Peak current control ensures consistent LED brightness
- Operating temperature: -40°C to +85°C
- Power dissipation: 1600mW for TO-92 package, 1600mW for SOT-89
- Applications include decorative lighting and low-power fixtures
- Operating frequency limited by off-time, with EMI considerations
- Package options: TO-243AA (SOT-89), TO-92
Buy the Microchip HV9921 – Reliable PWM LED Driver for Industrial Applications
Purchase Microchip HV9921 LED driver IC online today—engineered for high efficiency, constant current regulation, and reliable operation in decorative and low-power LED lighting applications. Its internal high-voltage MOSFET and fixed off-time buck control ensure stable brightness across varying input voltages from 85 to 264VAC or 20 to 400VDC. Compact and robust, HV9921 facilitates series LED configurations, supports dimming compatibility, and guarantees consistent performance. Order now to enhance your lighting system with a trusted, industry-grade LED driver built for durability and precision.
Get Microchip HV9921 today—built for precision, efficiency, and long-lasting durability in LED lighting systems.
Frequently Asked Questions
Where can I buy Microchip Technology HV9921N3G?
You can click on the BUY or RFQ button to purchase HV9921N3G from an authorized Microchip Technology distributor.
How do I troubleshoot issues or seek technical support for part HV9921N3G?
You can download the HV9921N3G datasheet or visit the Microchip Technology website for support.
Who is the manufacturer of HV9921N3G?
Microchip Technology