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MP171
700 V Non-Isolated Off-Line Regulator Up to 60 mA Output Current
NOT RECOMMENDED FOR NEW DESIGNS. REFER TO MP171A
DESCRIPTION
FEATURES
R MP171 is a primary-side regulator that provides
accurate constant voltage (CV) regulation
O without an opto-coupler. It supports buck, boost, F buck-boost, and flyback topologies. It has an
Primary-Side CV Control, Supporting Buck, Boost, Buck-Boost, and Flyback Topologies
Integrated 700 V MOSFET and Current Source
integrated 700 V MOSFET to simplify the structure and reduce cost. These features make it an ideal regulator for offline low-power
D applications, such as home appliances and
standby power.
E MP171 is a green-mode-operation regulator. D Both the peak current and switching frequency S decrease as the load decreases.