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Offline PFC controller, boundary conduction mode
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The MP44014-A is a boundary conduction mode PFC controller that provides simple and high-performance active power-factor correction using minimum external components.
The output voltage is regulated accurately by a high-performance voltage-mode amplifier with an accurate internal voltage reference.
The precise adjustable output over-voltage protection greatly enhances the system reliability.
The on-chip R/C filter on the current sense pin can potentially eliminate the external R/C filter.
The extremely low start-up current, quiescent current, and the disable function reduces the power consumption, resulting in excellent efficiency performance.
The MP44014-A is available in a SOIC-8.
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Features & Benefits
- Boundary Conduction Mode PFC Controller for Pre-Regulator
- Zero-Crossing Compensation to Minimum THD of AC Input Current
- Precise Adjustable Output Over-Voltage Protection
- Ultra-Low (15μA) Start-Up Current
- Low Quiescent Current (0.46mA) at OVP Condition
- On-Chip Filter on Current Sense Pin
- Enable/Disable and Open-Loop Protection Function on FB
- -750/+800mA Peak Gate-Drive Current
EV44014-S+HR1001-S-01A Evaluation Kit 240W LED Driver & Adapters Evaluation Board
The EV44014-S+HR1001-S-01A is a general purpose evaluation board of MP44014, HR1001B, MP6922 and MP174 for 240W LED driver & Adapters application.
The MP44014 is a boundary conduction mode PFC controller which can provide simple and high performance active power factor correction using minimum external components.
The HR1001B is an enhanced LLC controller which provides new features of adaptive dead time adjustment (ADTA) and capacitive mode protection (CMP).
The MP6922 is a dual fast turn-off intelligent rectifier to drive two N-CH power MOSFETs in LLC resonant converters for synchronous rectification.
The MP174 is a primary-side regulator that provides accurate constant voltage (CV) regulation without opto-coupler.
Typically, the EV44014-S+HR1001-S-01A is designed for LED driver &adapters with a 12 V, 20 A constant voltage output and 240W rated power, from 90 VAC to 265 VAC, 50 Hz/60 Hz.
The EV44014-S+HR1001-S-01A has excellent efficiency and high power factor. Besides, the EV44014-S+HR1001-S-01A has output fault protections, such as over load protection, short circuit protection, over voltage protection and anti-capacitive mode protection. It also can meet the Class C standard of IEC61000-3-2 and EN55022 standard.