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SR087 - Adjustable Offline Inductorless Switching Regulators

Download the SR087 datasheet PDF. This datasheet also covers the SR086 variant, as both devices belong to the same adjustable offline inductorless switching regulators family and are provided as variant models within a single manufacturer datasheet.

Description

The SR086/SR087 are inductorless switching regulators designed to operate directly from a rectified AC line.

The operating principle is to turn on a pass transistor when the rectified AC is below the output voltage and to turn it off when the output voltage reaches a specific level.

Features

  • Efficient Operation without Magnetics.
  • No High-voltage Capacitors.
  • Adjustable Main Output Voltage (9V to 50V).
  • Additional Internal Linear Regulator: - 3.3V for SR086 - 5V for SR087.
  • Up to 100 mA Combined Output Current.
  • Single BOM for 120 VAC/230 VAC.
  • Built-in Soft Start.
  • Less than 200 mW Standby Power.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (SR086-Microchip.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number SR087
Manufacturer Microchip
File Size 560.93 KB
Description Adjustable Offline Inductorless Switching Regulators
Datasheet download datasheet SR087 Datasheet

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Other Datasheets by Microchip

Part Number Description
SR086 Adjustable Offline Inductorless Switching Regulators

Full PDF Text Transcription

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SR086/SR087 Adjustable Offline Inductorless Switching Regulators Features • Efficient Operation without Magnetics • No High-voltage Capacitors • Adjustable Main Output Voltage (9V to 50V) • Additional Internal Linear Regulator: - 3.3V for SR086 - 5V for SR087 • Up to 100 mA Combined Output Current • Single BOM for 120 VAC/230 VAC • Built-in Soft Start • Less than 200 mW Standby Power Applications • White Goods • Household Appliances • Lighting Controls • Circuit Breakers • Keep-alive Supplies General Description The SR086/SR087 are inductorless switching regulators designed to operate directly from a rectified AC line.
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