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ManufacturerMicrochip
SeriesSR086

SR086 is an inductorless switching regulator designed to operate directly from a rectified AC line

Datasheets

  • Download » Datasheet PDF, 1.1 Mb, Revision: 05-23-2017
    SR086/SR087 Adjustable Offline Inductorless Switching Regulators Data Sheet
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    SR086/SR087
    Adjustable Offline Inductorless Switching Regulators
    Features General 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. The ICs feature an adjustable
    main output voltage of 9V to 50V and an additional
    fixed output of 3.3V for SR086 and 5V for SR087.
    Efficiencies of around 55% may be realized for loads
    up to 1W in 120 VAC applications and about 50%
    efficiencies for loads up to 800 mW in 230 VAC
    applications. 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 A logic-level enable input allows the SR086/SR087 to ...

Prices

Status

SR086SG-G
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)

Packaging

SR086SG-G
PackageSOIC
Pins8

Parametrics

SR086SG-G
Adj Vout(V)9.0 - 50
Fixed Vout(V)3.3
Iout Max, mA100
Load Regulation, %/mA0.025
Operating Temperature Range, °C-40 to +125
Vin, VAC80 - 285

Eco Plan

SR086SG-G
RoHSCompliant

Other Options

SR087

Moldel Line

Series: SR086 (1)

Manufacturer's Classification

  • Power Management > Inductorless Offline Switching Regulators

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