AP3156FVG-7 Integrated Circuits (ICs)

Voltage - Supply (Max):	5.5V
Base Part Number:	AP3156
Supplier Device Package:	QFN4040-16
Package / Case:	16-UFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight, Camera Flash
Dimming:	--
Frequency:	500kHz ~ 2MHz
Current - Output / Channel:	20mA
Voltage - Output:	--
Series:	--
Voltage - Supply (Min):	2.7V
Number of Outputs:	6
Internal Switch(s):	Yes
Topology:	Switched Capacitor (Charge Pump)
Type:	DC DC Regulator
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The AP3156FVG-7 is a LED Driver integrated circuit, or IC, capable of driving up to 7 LED strings. This IC is designed for easy power management of high-performance LED lighting applications, with its innovative control system, PWM dimming control, and built-in current control circuit. It is powered by a 2.5V nominal input voltage and can drive up to 7 strings of on-board LEDs while keeping them well within the safe operating range. This paper will discuss in detail the application field and working principles of the AP3156FVG-7.

Application Field of AP3156FVG-7

The AP3156FVG-7 is ideal for driving a wide range of LED lighting applications. It has a wide adjustable range of up to 35V, allowing it to operate in different environments. It is suitable for use in general purpose lighting, wall washes, street lights, signs, and other applications.The advanced constant current control circuit of the AP3156FVG-7 allows for accurate current control of the onboard LEDs. This advanced circuit ensures the LEDs are driven within their safe operating range, eliminating flicker and achieving better image and lighting quality.The PWM dimming control feature allows the AP3156FVG-7 to be used with a wide range of dimmer control devices, such as phase-cut dimmers, 0-10V dimmers, and digital dimmers. This allows for easy brightness control and improved energy efficiency.

Working Principle of AP3156FVG-7

The AP3156FVG-7 is a LED driver IC that controls up to 7 LED strings. It uses a linear current control circuitry to ensure constant current flow while maintaining a low voltage drop, resulting in energy savings and improved LED performance.The AP3156FVG-7 operates on an input voltage of 2.5V and supports up to 35V intelligently-controlled output voltage, a wide adjustable range. The advanced constant current control circuit of the AP3156FVG-7 ensures accurate current for each string of LEDs, which eliminates flicker and improves image quality.The PWM dimming control feature of the AP3156FVG-7 consists of an internal regulator with a gain of up to 1000, which can be used with a wide range of dimmers. The dimming level can be adjusted using the external dimming signal.

Conclusion

The AP3156FVG-7 is a LED Driver IC designed for easy power management and high-performance LED lighting applications. Its advanced constant current control circuit ensures that the LED strings are driven safely, and its innovative PWM dimming control feature allows for easy brightness control and improved energy efficiency. The AP3156FVG-7 is ideal for driving a wide range of LED lighting applications, from general purpose lighting, wall washes, street lights, signs and more.

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