FAN5610MPX Integrated Circuits (ICs)

Voltage - Output:	--
Base Part Number:	FAN5610
Supplier Device Package:	8-MLP (3x3)
Package / Case:	8-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	PWM
Frequency:	--
Current - Output / Channel:	21mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.7V
Number of Outputs:	4
Internal Switch(s):	Yes
Topology:	--
Type:	Linear
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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FAN5610MPX Application Field and Working Principle

The FAN5610MPX is a member of the PMIC-LED Drivers family and is designed to deliver an efficient and cost-effective solution for driving multiple and parallel LEDs. This device contains a multi-channel, step down switch-mode controller, which is capable of carrying out accurate and adaptive current regulation for LEDs. In particular, the FAN5610MPX offers flexibility and ease of use, making it a great choice for various lighting applications.The FAN5610MPX is a high performance, High Current Step Down Regulator with up to 3 Current Outputs. Typically, it is powered from a DC source either from a battery or DC adapter and is used to drive multiple parallel strings of 1 to n (up to 3) series connected LEDs. Each current output can be individually programmed with up to 1.2A of current, providing up to 5.3W of total output power. The device also has a wide operating range, ranging from 3V to 40V.One of the most important features of the FAN5610MPX is the wide input voltage range, allowing this device to be used in applications with a variety of power sources. Additionally, the low shut-down current consumption makes it suitable for battery powered applications as well.The FAN5610MPX is designed to detect the input voltage and would adjust the internal switching frequency accordingly to achieve high efficiency when operated across a wide range of voltage. Typically, the switching frequency is between 1MHz and 2MHz and thus, the switching losses in the FETs and most importantly the in-circuit components temperature can be kept to a minimum.The FAN5610MPX can be used for a variety of LED applications such as general illumination, automotive and architectural lighting. The FAN5610MPX helps to reduce the costs of implementing these lighting applications and is also suitable for applications with rugged environmental conditions due to its high reliability.The FAN5610MPX utilizes Pulse Frequency Modulation (PFM) in order to maintain constant current across multiple parallel strings of LEDs. In this mode of operation, the internal controller senses the voltage at the output and operates the Pulse Width Modulated (PWM) signal in a manner to maintain the output voltage constant. In order to improve the accuracy of the current regulation, the Pulse Width Modulation (PWM) signal can be synchronized with the switching frequency, allowing increasing the resolution of position control of the FETs.The FAN5610MPX also contains protection features such as under voltage lock out (UVLO) which protects the device against insufficient power supply, as well as over-temperature protection (OTP) and overcurrent protection (OCP).In summary, the FAN5610MPX is a multi-channel, step down switch-mode controller which is perfect for various lighting applications. It utilizes PFM and PWM control in order to maintain constant current across parallel strings of LEDs, and offers protection features such as UVLO, OTP and OCP to ensure the safety of the device and its surroundings.

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