Supertex inc.
SR086
Adjustable Off-Line Inductorless Switching
Regulator
Features
►►Efficient operation without magnetics ►►No high voltage capacitors ►►Adjustable main output voltage (9.
0 to 50V) ►►Additional 3.
3V internal
regulator ►►Up to 100mA combined output current ►►Single BOM for 120VAC/230VAC ►►Built-in soft start ►►Less than 200mW standby power
Applications
►► White goods ►► Household appliances ►► Lighting controls ►► Circuit breakers ►► Keep-alive supplies
General Description
The Supertex SR086 is an inductorless switching
regulator 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...