The VIPER38LD IC has the following pin configuration:
The VIPER38LD is a high-voltage converter that combines a voltage regulator and power switch in a single IC. It operates by converting the input voltage to a regulated output voltage using a switching technique. The integrated high-voltage startup circuit ensures reliable operation even at high input voltages. The error amplifier compares the output voltage with a reference voltage, adjusting the duty cycle of the internal power switch to maintain a stable output. Various protection features such as over-temperature, overload, and short-circuit protection ensure safe operation.
The VIPER38LD is commonly used in various applications, including:
Its compact size, wide input voltage range, and energy-efficient characteristics make it suitable for diverse power management needs.
These alternative models offer increased performance and flexibility for specific application requirements.
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Sure! Here are 10 common questions and answers related to the application of VIPER38LD in technical solutions:
Q: What is VIPER38LD? A: VIPER38LD is a high-voltage converter IC designed for offline power supplies, commonly used in various technical solutions.
Q: What are the key features of VIPER38LD? A: VIPER38LD features an integrated 800V avalanche-rugged power MOSFET, adjustable frequency up to 150 kHz, and built-in protection functions.
Q: What are the typical applications of VIPER38LD? A: VIPER38LD is commonly used in applications such as LED lighting, home appliances, industrial automation, and power adapters.
Q: How does VIPER38LD help in LED lighting applications? A: VIPER38LD provides efficient power conversion for LED lighting, enabling dimming control, constant current regulation, and high power factor correction.
Q: Can VIPER38LD be used in low-power applications? A: Yes, VIPER38LD can be used in both low-power and high-power applications, thanks to its adjustable frequency and wide input voltage range.
Q: Does VIPER38LD offer any protection features? A: Yes, VIPER38LD includes built-in protection features like overvoltage protection, overload protection, and thermal shutdown to ensure safe operation.
Q: What is the maximum output power that VIPER38LD can handle? A: VIPER38LD can handle output powers up to 15W, making it suitable for a wide range of medium-power applications.
Q: Can VIPER38LD operate with a wide input voltage range? A: Yes, VIPER38LD has a wide input voltage range of 85V to 265V, allowing it to be used in various regions with different mains voltages.
Q: Is VIPER38LD easy to implement in technical solutions? A: Yes, VIPER38LD comes in a compact package and requires minimal external components, making it relatively easy to integrate into technical solutions.
Q: Are there any reference designs or application notes available for VIPER38LD? A: Yes, STMicroelectronics provides reference designs and application notes that offer guidance on using VIPER38LD in different applications, helping engineers during the design process.
Please note that these answers are general and may vary depending on specific requirements and use cases.