SR087 - Adjustable Offline Inductorless Switching Regulators

This page provides the datasheet information for the SR087, a member of the SR086 Adjustable Offline Inductorless Switching Regulators family.

Product Overview

Microchip

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Datasheet Details

Part number	SR087
Manufacturer	Microchip
File Size	560.93 KB
Description	Adjustable Offline Inductorless Switching Regulators
Datasheet	SR087 Datasheet
Additional preview pages of the SR087 datasheet.

SR087 Product details

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.

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Other Datasheets by Microchip

SR086 - Adjustable Offline Inductorless Switching Regulators

Published: May 12, 2018 |