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STMICROELECTRONICS VIPER35LD High-Voltage Power Controller
The VIPER35LD is a high-performance quasi-resonant off-line high-voltage converter IC featuring an 800 V avalanche-rugged power MOSFET, embedded start-up and senseFET, and a PWM controller optimized for energy efficiency. It supports wide input voltages ranging from 85 V to 265 V AC, with built-in soft-start, burst mode operation, and thermal shutdown. Its protections include output overvoltage, short-circuit, and brown-out management, making it suitable for auxiliary power supplies and chargers for portable devices. The device ensures low power consumption and EMI reduction through quasi-resonant switching, ideal for industrial systems and consumer electronics.
STMICROELECTRONICS VIPER35LD High-Voltage Power Controller Specifications:
- Avalanche-rugged power MOSFET: 800 V
- Input Voltage Range: 85 - 265 V AC
- Peak Drain Current: 3 A
- Start-up Voltage: 80 V
- Operating Junction Temperature: -40°C to 150°C
- Thermal Resistance (junction to ambient): 85°C/W (SO16N), 80°C/W (SDIP10)
- Switching Frequency: 136 kHz (L type), 225 kHz (H type)
- Power Dissipation: 15 W
- Thermal shutdown: 150-160°C
- Protection: Output overvoltage, short-circuit, brown-out, thermal shutdown
- Burst mode and valley-skipping operation for efficiency at light loads
- Integrated start-up circuitry with soft-start, support for isolated flyback topology
- ZCD pin for quasi-resonant zero-current detection and cycle skipping
- Operating Temperature Range: -40°C to 150°C
Buy the Buy STMicroelectronics VIPER35LD Part Number VIPER35LD Online
Purchase the STMicroelectronics VIPER35LD now to ensure reliable, energy-efficient high-voltage power management in industrial, consumer electronics, and charger applications. This advanced IC features an embedded 800 V MOSFET, quasi-resonant PWM control, soft-start, burst mode, and comprehensive protection for optimal performance. Its suitability spans adapters, power supplies, and industrial systems, offering high efficiency, EMI reduction, and thermal safety. Order online today and benefit from fast delivery, extensive technical support, and guaranteed authenticity for your critical power conversion needs.
Get STMicroelectronics VIPER35LD today—built for precision and long-lasting durability in high voltage power conversion.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS VIPER35LD?
You can click on the BUY or RFQ button to purchase VIPER35LD from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part VIPER35LD?
You can download the VIPER35LD datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of VIPER35LD?
STMICROELECTRONICS