MP4013BGS

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LEDs are popular components for providing lighting in modern applications. With their availability in a variety of shapes and sizes, and their long-lasting, energy-efficient performance, LEDs are an attractive solution for a broad range of applications.

In order to provide the necessary current regulation to LEDs, an LED driver is necessary. An LED driver is a special type of power supply optimized to provide the consistent current necessary for proper operation of LEDs.

One example of an LED driver is the MP4013BGS, a high-efficiency step-up-type white LED driver IC. This device is capable of driving up to four white LEDs in series with a constant current of 16mA.

The MP4013BGS can be used in a variety of applications, including indicators, backlighting, LCD illumination, LCD panel illumination, and display backlighting. The device is capable of driving up to four LED strings with a single LED current of up to 16mA, or up to eight LED strings with a current of 8mA per LED.

The MP4013BGS contains several features that make it an ideal LED driver for these applications. It utilizes an integrated boost converter and voltage regulator to ensure high efficiency and low noise operation. The device also has a built-in logic that allows it to be used with a wide range of input voltages and LED forward voltages. The device is also supplemented by several protection features, including short-circuit protection, UVLO, and thermal shutdown.

TheMP4013BGS also features an integrated error amplifier, an external resistor to set the LED current, and an optional external compensation capacitor and current-sense resistor. The error amplifier is used to regulate and control the LED current in order to maintain constant brightness, while the external resistor is used to set the LED current. The external compensation capacitor is used to improve the system’s response time and transient response, while the current-sense resistor is used to limit the peak current flowing through the LEDs.

The MP4013BGS includes a 1.2MHz switching frequency, which allows for small PCB layout and low EMI, making it ideal for low-power applications. Additionally, the device is provided in a compact SOT23-6 package and is designed to operate from an input voltage range of 3.5V to 18V.

In summary, the MP4013BGS is a suitable LED driver with an integrated boost converter and voltage regulator that can be used in a variety of applications. The device features an integrated error amplifier and an external resistor to set the LED current, as well as an external compensation capacitor and current-sense resistor for improved system performance. It also includes a 1.2MHz switching frequency for low EMI, and is provided in a compact SOT23-6 package, making it ideal for low-power applications.

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