Voltage - Output:	39.5V
Supplier Device Package:	14-MFPS
Package / Case:	14-SOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Applications:	Automotive, Backlight
Dimming:	PWM
Frequency:	200kHz ~ 2MHz
Current - Output / Channel:	150mA
Series:	--
Voltage - Supply (Max):	40V
Voltage - Supply (Min):	4.75V
Number of Outputs:	2
Internal Switch(s):	Yes
Topology:	SEPIC, Step-Down (Buck), Step-Up (Boost)
Type:	DC DC Regulator
Part Status:	Active
Packaging:	Tube

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Introduction

MAX16838BATP+ is an LED power manager IC (PMIC) from Maxim Integrated. This LED driver IC provides a highly integrated solution for LED lighting designs. It boasts a high light intensity, a wide range of input voltage, excellent EMI performance, and temperature production. Its name implies that its operating temperature range is -40°C to +85°C, making it suitable for a variety of applications. In this article, we will look at the application field and working principle of the MAX16838BATP+.

Application Field

MAX16838BATP+ is a versatile, high-performance and high power LED driver IC that provides high efficiency and superior performance even in the most challenging environments. It is designed to provide a low-cost, low-power solution for a wide range of LED lighting applications such as outdoor lighting, industrial lighting, and medical lighting.MAX16838BATP+ offers an accurate current regulation as well as a wide input voltage range of up to 570 Volts. This allows for a high light intensity from a wide range of emitters such as LEDs and other light sources requiring dimming. The IC features an adjustable external dimming feature, which makes it ideal for applications that require dynamic lighting.In addition, this LED driver IC is well suited for designs that require high efficiency in order to manage power consumption and reduce costs. This device provides a wide range of power management features such as open-loop and closed-loop current regulation, over-voltage protection, over-temperature protection, low output ripple, and high power transfer efficiency. Apart from the lighting applications, MAX16838BATP+ is also applicable in communication system applications. This makes it an ideal solution for telecom base stations and systems that require a stable DC current. Moreover, it can be also used in power supply applications such as LED backlight power supplies and LCD power supplies.

Working Principle

The MAX16838BATP+ LED driver IC is based on a highly integrated synchronous buck regulator with integrated power MOSFETs. This regulator provides a highly efficient conversion from a wide input voltage range down to a stable, accurate output current.The integrated MOSFETs provide control of the LED current flow, enabling accurate current regulation and dimming control. The device also features an adjustable external dimming mechanism, allowing for precise control of light intensity. In addition, the IC incorporates over-voltage, over-temperature, and over-current protection, ensuring safe and reliable operation.The device\'s adjustable LED current and dimming can be configured using a few external components, while the external MOSFETs are configured to provide high efficiency and reliable current control. This integrated synchronous buck also features high-switch frequencies, enabling a high power transfer efficiency and low output ripple. Overall, the MAX16838BATP+ offers a high power solution for LED lighting applications. Its wide input voltage range and high efficiency makes it an ideal choice for applications that require dimming, with precise control of light intensity and low power consumption. With its various protection features and temperature range, the MAX16838BATP+ is an optimal solution for outdoor, industrial and medical lighting applications.

Conclusion

In conclusion, the MAX16838BATP+ is an industry-leading LED power manager IC that provides a highly integrated and efficient solution for LED lighting designs. It offers a wide range of features such as adjustable current and dimming, wide input voltage range, high efficiency, and extensive protection features that make it suitable for a wide range of applications such as outdoor lighting, industrial lighting, and medical lighting. The device is also applicable in communication system applications and power supplies such as LED backlight power supplies and LCD power supplies.

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