AP3092P-E1

Series:	*
Part Status:	Obsolete

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PMIC - LED Drivers | AP3092P-E1 Application Field and Working Principle

The AP3092P-E1 is a step-down, monolithic, switched current mode, Pulse-width Modulation (PWM) DC/DC power converter. Its specific feature is its ability to accurately monitor and regulate the output voltage when the switching frequency is in the kHz range. This makes it ideal for applications that require a very accurate output voltage, such as LED drivers. By controlling the current through the LED, the AP3092P-E1 helps to extend the lifetime of the LED and optimize the lighting effects. In addition, the AP3092P-E1 is designed with advanced technology. It integrates both power MOSFETs and a controller into a single monolithic non-volatile IC, ensuring high reliability and efficiency. The switching frequency is adjustable between 100kHz and 500kHz, allowing it to operate at a higher frequency while still meeting the requirements of efficiency, power dissipation and EMI performance. The device also features multiple safety features, such as under-voltage lockout and over-temperature protection. In terms of its working principle, the AP3092P-E1 utilises an external resistor to adjust the voltage and current of the LED. The LED is connected via a current source between the LED source pin and the LED return pin, and the voltage and current of the LED are regulated by the external control resistor. Based on the voltage and current settings, the AP3092P-E1 will then adjust its output stage accordingly to either increase or decrease the current driving the LED. This ensures that the LED maintains an optimal lighting level and helps extend its lifetime. Other interesting features of the AP3092P-E1 include multiple modes of operation, such as dimming, flashing and fade out, which can be easily implemented in spite of its small footprint. Additionally, the device comes with a power-on reset circuit that ensures that the output always starts at a predetermined level. The AP3092P-E1 also supports a wide operating temperature range of -40°C to +85°C. The AP3092P-E1 is highly suitable for driving multiple LEDs in many of today’s high-end LED applications, such as shop or street lighting, automotive lighting, and headlights. Its advanced switching frequency range makes it one of the best candidate solutions for high-power LED lighting applications. By providing enhanced dimming capability, reverse current protection, soft start and several protection features, the AP3092P-E1 provides an efficient, high-performance solution for various lighting solutions. In conclusion, the AP3092P-E1 is an ideal solution for precision LED lighting applications due to its low stand-by power, wide operating temperature range, adjustable switching frequency, and advanced safety features. The device is a great fit for a variety of high-end LED solutions and can help to extend the lifetime and optimize the lighting effects of the LED.

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