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700V, Non-Isolated, Offline Regulator, Up to 600mA Output Current
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The MP175 is a primary-side regulator that provides accurate, constant voltage (CV) regulation without an optocoupler. The MP175 supports buck, buck-boost, boost, and flyback topologies. The MP175 has an integrated 700V MOSFET and high-voltage current source, and also has a fixed output option to further simplify the structure and reduce costs. The output voltage can also be adjusted for various applications.
The MP175 is a green-mode-operation regulator. Both the peak current limit and switching frequency decrease with decreasing load. This feature provides excellent efficiency at light-load condition and improves the overall average efficiency.
The MP175 has multiple protections features, including over-temperature protection (OTP), VCC under-voltage lockout (UVLO), overload protection (OLP), short-circuit protection (SCP), brown-out protection (BOP), and open-loop detection (OLD).
These features make the MP175 an ideal regulator for offline, low-power applications, such as home appliances and standby power.
The MP175 is available in a SOIC-8 package.
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Features & Benefits
- Primary-Side CV Control, Supporting Buck, Buck-Boost, Boost, and Flyback Topologies
- Integrated 700V/4.5Ω MOSFET
- Internal 700V High-Voltage Current Source
- Fixed or Adjustable Output Options
- <30mW No-Load Power Consumption
- Up to 10W Output Power
- Maximum CCM Output Current up to 600mA
- Low VCC Operating Current
- Frequency Foldback
- Limited Maximum Frequency
- Peak-Current Compression
- Internally Biased VCC
- OTP, UVLO, OLP, SCP, BOP, OLD
- Available in a SOIC-8 Package
Active Part Numbers:
MP175GS-P MP175GS-Z MP175GP-Z
EV175-S-00A Evaluation Kit MP175 Buck Regulator Evaluation Board, Universal Input, 10W Output
The EV175-S-00AEvaluation Board is designed to demonstrate the performance of MP175. The MP175 is a high performance and cost effective primary-side constant voltage regulator, which is ideal for home appliances, standby power and etc.
The EV175-S-00A is configured as a buck topology. It delivers 18V/550mA output.
The EV175-S-00A has an excellent efficiency and meets 1kV IEC61000-4-5 surge immunity and EN55022 conducted EMI requirements. It has multi-protection function: such as open circuit protection, over load protection, short-circuit protection and over-temperature protection, etc.