- MP110
MP110
MP110 continues to be in production for existing customers. Please consider this alternative for new designs:

HF900
HF900
900V Offline Switching Regulator
Features & Benefits
- Internal Integrated 900V MOSFET
- Programmable Fixed Switching Frequency up to 300kHz
- Frequency Jittering
- Current-Mode Operation
- Internal High-Voltage Current Source
- Low Standby Power Consumption via Active Burst Mode
- Internal Leading Edge Blanking
- Built-In Soft-Start Function
- Internal Slope Compensation
- Built-In Input Over-Voltage Protection
- Over-Temperature Protection (OTP)
- VCC Under-Voltage Lockout with Hysteresis
- Over-Voltage Protection on VCC
- Time-Based Overload Protection
- Short-Circuit Protection (SCP)
… and many more!
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Description
The MP110 is a flyback regulator with an integrated 900V MOSFET. Requiring a minimum number of external components, the MP110 provides excellent power regulation in AC-DC applications that require high reliability. These applications include smart meters, large appliances, industrial controls and products powered by unstable AC grids.
The regulator uses peak current mode control to provide excellent transient response and easy loop compensation. When the output power falls below a given level, the regulator enters burst mode to lower the stand-by power consumption.
The MPS proprietary 900V monolithic process enables an over temperature protection (OTP) that is on the same silicon of the 900V power FET, offering the most precise thermal protection. It also offers a full suite of protection features such as VCC under-voltage lockout, over-load protection, over-voltage protection, and short-circuit protection
The MP110 is designed to minimize electromagnetic interference for wireless communication in home and building automation applications. The operating frequency is externally programmed with a single resistor so that the power supply’s radiated energy can be designed to avoid the interference to wireless communication.
In addition to the programmable frequency, the MP110 employs a frequency jittering function that not only greatly reduces the noise level, but also reduces the cost of EMI filter.
The MP110 is available in the PDIP8-7EP package
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Features & Benefits
- Internal Integrated 900V MOSFET
- Programmable switching frequency up to 300kHz
- Frequency jittering
- Current-mode operation
- Internal high voltage current source
- Low standby power consumption via active burst mode
- Internal leading-edge blanking
- Built-in soft-start function
- Internal slope compensation
- Built-in PRO pin pull-up auto restart function
- Over-Temperature Protection (OTP)
- VCC under-voltage lockout with hysteresis
- Over-Voltage Protection on VCC
- Time-based overload protection
- Short-Circuit Protection (SCP)

Active Part Numbers:
MP110GPR MP110GPR-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP110 Resources
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APPLICATION
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ARTICLE
MEASURING HIGH-FREQUENCY, COMMON-MODE CURRENT, VOLTAGE, AND IMPEDANCE (PART III)ARTICLEThis is the final part of a three-part series discussing measurement methods for high-frequency, common-mode (CM) current, voltage, and impedance using a flyback converter. Part I covered the basic principles of radiated EMI and the traditional method for measuring CM current in a flyback converter topology. Part II explored a ferrite bead solution for CM current measurement errors and how to obta...
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ARTICLE
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ARTICLE
MPS DESIGN ASSISTANT TOOLARTICLEMPS is committed to providing users with a variety of simulation solutions, including SIMPLIS models, SPICE models, DC/DC converter design models, and Virtual Bench Pro. The easy-to-use Design Assistant is the most popular tool provided by MPS, and its demand continues to grow each year. Figure 1 shows the annual growth of how often our Design Assistant is requested and utilized. In partic...
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ARTICLE
CONTROLLING PRIMARY-SIDE RINGINGARTICLEThe flyback power supply is one of the most commonly used topologies. Typically, the transformer’s leakage inductance causes primary-side ringing, which generates voltage spikes that damage the MOSFET. It is essential to design the transformer and MOSFET components to control ringing. MPS has introduced an RCD clamp circuit design strategy to reduce leakage inductance. This circuit is described in...
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ARTICLE
HOW INTEGRATION IS ADVANCING INNOVATIONS IN POWER MANAGEMENTARTICLEAs modern devices become smarter and more customizable, consumers are also demanding that they be smaller and more powerful. This has driven demand for technology that can manage thermals with ever-higher power densities as processing power increases. MPS is innovating and creating highly integrated converters and controllers with cutting-edge efficiency and power density. By integrating the entir...
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ARTICLE
DESIGNING AN ACTIVE-CLAMP FORWARD CONVERTER FOR POE-BT APPLICATIONS (PART II)ARTICLEThis article is the second part of a two-part series exploring how to design an active-clamp forward controller for PoE-bt applications. Part I covered PoE applications, as well as the basics for forward converter topologies and active clamps. Part II will review secondary-side synchronous rectification MOSFETs, secondary spike absorption circuits, and efficiency verification processes for PoE-bt ...
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ARTICLE
DESIGNING AN ACTIVE-CLAMP FORWARD CONVERTER FOR POE-BT APPLICATIONS (PART I)ARTICLEWhen compared to traditional AC power supply modes, power over Ethernet (PoE) power supplies can simultaneously supply power and transmit data through an existing Ethernet cable. By integrating the power supply and data cables, PoE applications are cost-effective and provide flexible installation. PoE solutions are rapidly growing in popularity across multiple industries as applications continue t...
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VIDEO
MPX2002: ALL-IN-ONE FLYBACK CONTROLLER WITH INTEGRATED PRIMARY-SIDE AND SECONDARY-SIDE CONTROLVIDEOThe MPX2002 flyback controller incorporates a flyback driver circuit, a synchronous rectifier, safety-compliance isolated feedback, and a high-voltage reference in a single chip. It enables highly efficient power conversion and more reliable, efficient isolation in critical applications such as AC/DC adapters, offline battery chargers, and high-current power supplies. Features Reduces board sp...
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ARTICLE
PRIMARY-SIDE VS. SECONDARY-SIDE REGULATIONARTICLEFlyback power converters are currently some of the most common converter topologies around. This is due to the simplicity of their design and the competitive size/cost/efficiency ratio their can deliver, especially in the mid-level power range (2W to 100W). Like any converter topology, a flyback converter is composed of a power path and a control path. The power path is responsible for the conver...
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REFERENCE DESIGN
45W USB-C POWER ADAPTER WITH CYPRESS CCG3PAREFERENCE DESIGNThis 45W Notebook Power Adapter Board is a receptacle based Type-C power adapter. The major components in this design are Cypress’s EZ-PD CCG3PA (CYPD3174-16SXQ) controller and Monolithic Power System's Fixed Frequency Flyback controller (HF0500) and Synchronous Rectification Controller (MP6907) The MPS components on these reference designs are carefully selected to meet price and perfo...
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REFERENCE DESIGN
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