CAT4109V-GT2 Integrated Circuits (ICs)

Voltage - Output:	25V
Base Part Number:	CAT4109
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight, Lighting, Signage
Dimming:	PWM
Frequency:	--
Current - Output / Channel:	175mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	3V
Number of Outputs:	3
Internal Switch(s):	Yes
Topology:	--
Type:	Linear
Part Status:	Active
Packaging:	Tape & Reel (TR)

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CAT4109V-GT2 is the latest power management integrated circuit (PMIC) produced by ON Semiconductor. It is designed to manage the power distribution of forward-biased high-power LEDs in order to achieve maximum efficiency while at the same time ensuring a comfortable and uniform light illumination. The device is primarily intended for use in a variety of lighting applications such as street lights, mining lights, flood lights, and interior/exterior lighting fixtures. By leveraging its wide range of features, CAT4109V-GT2 simplifies the design process while providing stellar power management performance in an incredibly small package.The CAT4109V-GT2 is a single-output-channel LED driver PMIC that offers over-current protection, temperature-overload protection, short-circuit protection, and under-voltage lockout protection. It features a high peak current capability of up to 3 A, making it well-suited for applications that require high power output. Moreover, it boasts an efficiency of up to 96%, helping to ensure that the most power is being used to drive the LEDs. The wide input voltage range of 3 V to 100 V make it suitable for a multitude of power sources, from wall outlets to batteries. Finally, it can be configured for a wide range of LED operating temperatures, with in-package thermal sensing providing accurate temperature monitoring and control. The working principle of the CAT4109V-GT2 is that it reduces the incoming power to a regulated current and voltage level, which is then applied directly to the LED strings. In order to achieve this, the device utilizes a step-down converter topology known as a buck converter. This type of converter regulates the current and voltage levels via a switching process, wherein the closed-loop system switches on and off rapidly in order to regulate the current flow. The control system inside the device uses a feedback loop to ensure that the current and voltage levels remainwithin the predetermined limits. Additionally, a mux input allows the user to adjust the current setpoint, allowing for fine-tuning of the light output.Thanks to its superior power management performance and wide range of features, the CAT4109V-GT2 is the perfect PMIC for lighting applications that require efficient and reliable power regulation. By taking advantage of its low power consumption and wide range of dimming options, designers can achieve maximum efficiency while ensuring that their lighting systems operate within the given limits.

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