Overview
The VIPER37HE is a high-performance AC-DC converter IC from STMicroelectronics, part of the VIPer™ plus series. This component is designed for offline switch-mode power supplies and is particularly suited for applications requiring high efficiency, reliability, and compact design. The VIPER37HE operates over a wide input voltage range of 8.5V to 23.5V AC and is capable of delivering up to 15 watts of output power. It features a fixed frequency of 115 kHz and is available in a 10-pin SDIP package, making it ideal for various power supply applications where space and efficiency are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | STMicroelectronics | |
| Part Number | VIPER37HE | |
| Package / Case | 10-SDIP (0.300, 7.62mm) | |
| Number of Pins | 10 | |
| Number of Outputs | 1 | |
| Operating Voltage Range | 8.5V ~ 23.5V | VAC |
| Max Input Voltage (AC) | 265V | VAC |
| Switching Frequency | 115kHz | |
| Max Supply Current | 3.5mA | |
| Output Power | Up to 15W | |
| Output Voltage | 11.7V ~ 12.3V | V |
| Output Current | Up to 1.25A | A |
| Operating Temperature Range | -40°C ~ 150°C (TJ) | °C |
| Control Mode | CURRENT-MODE | |
| Output Isolation | Isolated |
Key Features
- High Efficiency: The VIPER37HE achieves high efficiency, meeting international regulatory standards such as the European Code of Conduct (EC CoC) and US Department of Energy (DoE) limits.
- Wide Input Voltage Range: Operates over a wide input voltage range of 8.5V to 23.5V AC, making it versatile for various power supply applications.
- Compact Design: Available in a 10-pin SDIP package, which is compact and suitable for space-constrained applications.
- Fixed Frequency Operation: Operates at a fixed frequency of 115 kHz, which helps in reducing electromagnetic interference (EMI) and simplifying the design process.
- Isolated Output: Provides isolated output, which is crucial for applications requiring electrical isolation between the input and output.
- Low Standby Power Consumption: Features low power consumption in standby mode, which is beneficial for energy-efficient designs.
Applications
- External Power Adapters: Suitable for use in external power adapters due to its high efficiency and compact design.
- Auxiliary Power Supplies: Ideal for auxiliary power supplies in various electronic devices where space and efficiency are critical.
- Consumer Electronics: Can be used in a wide range of consumer electronics such as TVs, set-top boxes, and other home appliances.
- Industrial Equipment: Applicable in industrial equipment where reliable and efficient power supply is essential.
Q & A
- What is the input voltage range of the VIPER37HE?
The VIPER37HE operates over an input voltage range of 8.5V to 23.5V AC.
- What is the maximum output power of the VIPER37HE?
The VIPER37HE can deliver up to 15 watts of output power.
- What is the switching frequency of the VIPER37HE?
The VIPER37HE operates at a fixed frequency of 115 kHz.
- What is the package type of the VIPER37HE?
The VIPER37HE is available in a 10-pin SDIP package.
- Is the output of the VIPER37HE isolated?
- What is the operating temperature range of the VIPER37HE?
The VIPER37HE operates over a temperature range of -40°C to 150°C (TJ).
- What is the control mode of the VIPER37HE?
The VIPER37HE operates in CURRENT-MODE control.
- Does the VIPER37HE meet international regulatory standards?
- What is the typical output voltage of the VIPER37HE?
The typical output voltage of the VIPER37HE is between 11.7V and 12.3V.
- What is the maximum output current of the VIPER37HE?
The maximum output current of the VIPER37HE is up to 1.25A.
