Product Overview: VIPER37L by STMicroelectronics

The VIPER37L from STMicroelectronics is a high-performance, low-power off-line switched-mode power supply (SMPS) primary switcher, designed for a wide range of applications. This versatile component is part of the VIPerPlus family, which is known for its energy-efficient solutions and robustness in power supply designs.

One of the key features of the VIPER37L is its ability to operate over a wide supply voltage range, making it suitable for various AC/DC converter applications. It incorporates an 800V avalanche-rugged power section, a PWM operation at 60 kHz with a frequency jittering feature for lower EMI, and a stand-by mode that reduces the power consumption to less than 30mW at 265VAC. This makes the VIPER37L an excellent choice for applications that require high energy efficiency and low standby power consumption.

The device integrates multiple protection features, including overload protection, overvoltage protection, and thermal shutdown with automatic restart. These features ensure that the power supply remains safe and reliable under a variety of conditions, thereby protecting both the power supply itself and the end application from potential damage.

With its built-in high-voltage startup circuit, the VIPER37L ensures a consistent startup and operation even under fluctuations in the input voltage. The device is also equipped with a current limiting function, which is adjustable via an external resistor, providing designers with flexibility in controlling the inrush current during the startup phase.

Designed for flexibility, the VIPER37L can be used in a broad range of applications, including adapters, chargers, STBs, DVD players, auxiliary power supplies for appliances, and industrial power supplies. Its compact size and minimal external component requirement make it an ideal choice for space-constrained applications.

In summary, the VIPER37L by STMicroelectronics is a reliable and efficient solution for power supply designs, offering a combination of performance, protection features, and design flexibility that is well-suited for a wide array of electronic devices and applications.