MP3309LGQG-P

Voltage - Output:	24V
Supplier Device Package:	10-QFN (1.8x1.4)
Package / Case:	10-VFQFN
Mounting Type:	Surface Mount
Operating Temperature:	--
Applications:	Backlight
Dimming:	Analog, PWM
Frequency:	--
Current - Output / Channel:	--
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.7V
Number of Outputs:	1
Internal Switch(s):	Yes
Topology:	Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction of MP3309LGQG-P

The MP3309LGQG-P is a High Efficiency Constant Voltage LED Driver that part of Power Management IC (PMIC) – LED Drivers. It is a high efficiency and general purpose LED driver designed to drive a single LED, or series of LEDs, in other applications such as LCD and LED backlight TVs and lamps, general indoor and outdoor lighting, mobile phones, tablets, and video camera. The MP3309LGQG-P provides a range of LED current up to 35mA and a wide input voltage range of 2.5V to 6.3V. Other notable features include built-in thermal protection and 2.5% high voltage accuracy. The MP3309LGQG-P can be operated in either constant voltage or constant current mode, Long Pin VCC and Short Pin GND control the output current intensity. Finally, the MP3309LGQG-P is housed in a TO-252 package and the maximum operating temperature is +125°C.

MP3309LGQG-P Application Fields and Working Principle

Because the MP3309LGQG-P is designed to support a wide range of loads and current level, it can be used in a variety of applications. It is designed as a DC-to-DC converter that can be used to convert input DC voltage into a regulated output voltage, which can be used to drive a single LED or a series of LEDs. It can be used in both indoor and outdoor lighting fixtures, LCD and LED backlight TV displays, digital signage, and other similar applications. The MP3309LGQG-P works on the principle of Pulse Width Modulation (PWM). It switches the LED current on-and-off in a very high frequency at the rated output current to achieve a constant output voltage. This helps to reduce power-loss due to the output voltage ripple. In addition, the MP3309LGQG-P is designed to provide a high degree of protection against short circuit, over temperature, and over current conditions.

Conclusion

The MP3309LGQG-P is a high efficiency and general purpose LED driver designed to drive a single LED, or series of LEDs, in a variety of applications such as LCD and LED backlight TVs and lamps, general indoor and outdoor lighting, and mobile devices. It provides a range of LED current up to 35mA and wide input voltage range of 2.5V to 6.3V. This LED driver works on the principle of Pulse Width Modulation (PWM) to achieve a constant output voltage. It also offers a high degree of protection against short circuit, over temperature, and over current conditions.

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