LV5239TAZ-NH

Voltage - Output:	42V
Supplier Device Package:	48-TQFP-EP (7x7)
Package / Case:	48-LQFP Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-25°C ~ 85°C (TA)
Applications:	--
Dimming:	PWM
Frequency:	1MHz
Current - Output / Channel:	100mA
Series:	--
Voltage - Supply (Max):	12.8V
Voltage - Supply (Min):	3V
Number of Outputs:	24
Internal Switch(s):	--
Topology:	--
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IntroductionLV5239TAZ-NH is a PMIC (Power Management Integrated Circuit) LED Driver for powering LEDs. It is a compact, cost-effective and high efficiency lighting solution. It is a one-channel LED driver module which can provide power to more than one LED. It has low noise and no current ripple, making it suitable for use in a wide range of applications.Application Field and Working PrincipleLV5239TAZ-NH is mainly used in applications where there is a need to power multiple LEDs or lighting systems. It can be used to provide direct power to high brightness LEDs. The module integrates a switching regulator to enable efficient and accurate control of the power supply voltage. This ensures that the LEDs are not over-powered and is also capable of providing a stable output voltage.The working principle of LV5239TAZ-NH involves a switching regulator. This switching regulator is an AC-DC converter that converts alternating current (AC) to direct current (DC). It is mainly composed of an inductor, capacitor and switch. The switching regulator works by continuously switching the components on and off at high frequency. When the switch is on, it allows current to flow through the inductor. As the current builds up, it stores energy in its magnetic field. When the switch is off, this energy is released, driving current through the capacitor and the load, providing a steady output voltage.Advantages and LimitationsThe LV5239TAZ-NH module has some advantages over traditional LED driver circuits. It offers a high efficiency working of up to 95%, making it energy saving while providing sufficient power to the LEDs. It also has a wide input voltage range, which means it is capable of operating with both constant current and constant voltage modes. Furthermore, it has good scalability and it is easy to implement.On the other hand, the module has some limitations. It is limited to powering a maximum of four LEDs. It is also not suitable for use in applications where a large amount of power is required. Additionally, it is not suitable for applications that require dimming.ConclusionThe LV5239TAZ-NH module is a cost-effective and efficient one-channel LED driver module, suitable for powering multiple LEDs. It integrates a switching regulator to provide a stable output voltage and can be used in a wide range of applications. While it has some advantages, such as its wide input voltage range and high efficiency, it also has some limitations such as not being suitable for a large amount of power and dimming applications. Nonetheless, it is still a great choice for powering LEDs.

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