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STは、革新的なアーキテクチャや広範な動作温度を備えた堅牢かつ先進的な高電圧コンバータや力率補正回路(PFC)、各種コントローラ、スーパーバイザ / ハウスキーピングICを提供しています。


新世代のAC-DCコンバータは、消費電力の削減と効率の向上を実現し、AC電源機器の大部分に電力を供給する上できわめて重要なデバイスです。STのPFC、PWMコントローラ、およびオフライン・コンバータを組み合わせることで、システムの消費電力が大幅に低減され、80 PLUS® Initiative、ErP Lot 6、Energy Starなど、最も厳しい省エネ規制に幅広く対応します。

Zero-power standby SMPS with remote-control wake-up

Built around a VIPer0P 800 V avalanche-rugged high-voltage converter with zero-power standby, the STEVAL-ISA181V1 is a remote-controlled 12 V / 600 mA isolated flyback SMPS with a smart standby architecture featuring zero-power mode (ZPM).

In ZPM idle state, power consumption is below 5 mW. The ZPM combined with the IR remote on/off control makes it ideal for air conditioning systems and power supplies that need to be remotely switched on/off during their working lifecycle.

VIPer0P zero-power offline high-voltage converter

Introducing the VIPer0P high-voltage converter with jittered fixed-frequency current-mode PWM control for simplified EMI compliance and zero-power mode (ZPM) with an astounding < 4 mW (at 230 VAC) consumption. VIPer0P can enter and exit ZPM when the low voltage input/output pins (OFF or ON) are pulled to ground so a small and inexpensive safety extreme low voltage (SELV) switch can replace the bulky mains switch. The VIPer0P embeds a set of protections – including over-current protection (OCP), VCC clamp, maximum duty cycle and flux runaway – to enable a more robust and safer SMPS design.

The VIPer0p is ideal for all SMPS up to 7 W having a wide input voltage range including:

  • Home appliances compliant with EuP Lot6 energy regulation
  • Industrial equipment or digital consumer goods

Explore all the key benefits of the VIPer0P high-voltage converter with unique zero-power mode with the STEVAL-ISA174V1 non-isolated, flyback 6 W SMPS evaluation board.





V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.