MAX15000AEUB+T

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MAX15000A are Electronic Unit Ballasts (EUBs) that offer extreme power efficiency and low EMI while providing the best light quality. They are used in a variety of applications, including residential, commercial, and industrial lighting applications such as streetlights, downlights, display cases, automotive, and homes. The MAX15000A is also suitable for LED driver applications with wide input voltage range and high-accuracy current regulation.

The core feature of the MAX15000A EUB is its ability to accurately regulate the current to the LED lamp load. This is achieved by a DC-DC switching controller that provides the microcontroller with highly accurate current regulation, which increases efficiency, eliminates flicker, and reduces electromagnetic interference.This DC-DC switching controller is frequently referred to as “primary control”, allowing the same controller to become the brain of the switching section.

The MAX15000A DC-DC switching controller was designed with several features that require a minimal number of external components and can deliver up to 95% power conversion efficiency.The high-efficiency power switch used in the MAX15000A ensures low losses with fast switching times and low energy consumption.Other key design features include:

• Wide input voltage range—150-400V DC
• High accuracy current regulation
• Supports constant current, constant voltage; and non-linear modes
• Programmable overload protection
• Soft start capability
• Output ripple detection
• Over-temperature protection
• LED indicator control

The MAX15000A EUB utilizes an advanced phase-shift modulation (PSM) technique to accurately regulate the current load to the LED flashlight.This technique allows for not only high accuracy current regulation, but also allows for a more efficient design, since the switch transistor only needs to drive the LED current during the peak current limit point.Phase-shift modulation can be more accurately set than time modulated current regulation, since the time modulated current regulation relies on the switching rate establishing the output current, which results in less accurate current regulation.

The Main device of the MAX15000A DC-DC switching controller is an optimized Digital Opto-Controller, which is the core of all power supply and control circuits.This device is capable of regulating an LED driver with almost instantaneous PWM switching.The device also provides analog and digital dimming capability and supports a wide range of dimming methods including:

• Analog voltage input
• Pulse-width modulation (PWM)
• Integrated current setting
• Feedback control
• Continuous pulse width modulation (CPWM)
• Integrated temperature compensation
• Programmable soft start
• Built-in protection features

The MAX15000A is designed to act as an efficient, low cost, and compact DC-DC switching converters tailored for LED lighting applications.It is also capable of providing a wide input voltage range, high accuracy current regulation, and internal temperature compensation. The integrated features make it highly suitable for lighting and LED driver applications, while the small size and low-cost make it ideal for residential, commercial, and industrial applications.

The MAX15000A EUB is a highly efficient, high performing DC-DC switching controller that offers the best light quality, power efficiency, and low EMI. Its sophisticated circuitry and advanced phase-shift modulation technique provide high accuracy current regulation, eliminating flicker and reducing electromagnetic interference. Its wide input voltage range, programmable overload protection, soft start capability, and temperature protection make it suitable for lighting and LED driver applications. With high efficiency, fast switching times, and low energy consumption, the MAX15000A DC-DC switching controller is the perfect choice for any lighting application.

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