![MP3378GF-Z Allicdata Electronics](https://files.allicdata.com/upload/common/default.jpg)
Allicdata Part #: | MP3378GF-Z-ND |
Manufacturer Part#: |
MP3378GF-Z |
Price: | $ 0.95 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Monolithic Power Systems Inc. |
Short Description: | 4-CHANNEL WLED CONTROLLER AND HI |
More Detail: | LED Driver IC Output Dimming |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 0.85466 |
Series: | * |
Part Status: | Active |
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LEDs have become one of the most popular lighting technologies today, with increasing applications ranging from lighting up homes to signalling traffic. Therefore, choosing the right power supply for these types of products is crucial in order to ensure that the desired functions are met. One of the commonly used LED driver in the industry is the MP3378GF-Z.
The MP3378GF-Z is a step-down integrated low-voltage, low-quiescent current power manager designed to provide the highest efficiency and reliability in a wide array of applications. It operates as an automatically switched mode DC/DC converter that helps to deliver up to 3A continuous output current without an external power MOSFET. The switching frequency of the MP3378GF-Z can be set internally and externally, with a wide range of options between 2.6MHz and 6MHz.
The MP3378GF-Z is primarily applied in LED driver applications, where it helps to efficiently power and control the brightness of LEDs. The MP3378GF-Z includes a high accuracy, adjustable output voltage and current monitoring to provide stable operation, reducing LED noise and optimizing LED dimming performance. The LED current can be set as high as 3A for large LED applications, allowing for better illumination and fewer LED products.
The MP3378GF-Z also enables wide input voltage capability from 9V to 32V and can be operated in a variety of systems. It provides excellent protection features including an over-temperature protection and over-current protection, making it an ideal choice for high-temperature environments.
In addition to LED drivers, the MP3378GF-Z is also suitable for a wide range of applications such as SMPS, DC/DC converters, battery chargers, and other high and moderate voltages power supplies. It also comes with a frequency modulator that provides better EMI performance and improved power efficiency.
The working principle of the MP3378GF-Z is based on the hysteretic control architecture. It has two control loops: one controlling the switching frequency and the other controlling the output voltage. The frequency loop is a phase control loop, with a voltage control loop operating in parallel. When the input voltage drops, the current control loop reduces the current across the inductor and the output voltage decreases. The frequency control loop then increases the switching frequency to compensate for the lower current and keep the voltage stable.
In order to maximize efficiency, there are several features included in the MP3378GF-Z such as an active current mode control, integrated MOSFETs, and an adjustable Resonant Control scheme, which reduces EMI and electromagnetic interference. To further improve efficiency, the MP3378GF-Z also includes an adjustable Zone Frequency Modulation (ZFM) scheme to adjust the operating frequencies and implement dynamic load current sharing.
All in all, the MP3378GF-Z is a great choice for LED driver applications, offering excellent efficiency and reliability under a wide range of conditions. With its robust protection features, adjustable output voltage and current monitoring, and wide input voltage capability, the MP3378GF-Z is an ideal device for powering and controlling LEDs.
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