AAT2862IMK-T1 Integrated Circuits (ICs)

Voltage - Output:	5.2V
Supplier Device Package:	24-TQFN (3x4)
Package / Case:	24-WFQFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Applications:	Backlight
Dimming:	--
Frequency:	1.2MHz
Current - Output / Channel:	30mA
Series:	--
Voltage - Supply (Max):	5.5V
Voltage - Supply (Min):	2.7V
Number of Outputs:	8 + 4LDOs
Internal Switch(s):	Yes
Topology:	Switched Capacitor (Charge Pump)
Type:	DC DC Regulator
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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AAT2862IMK-T1 Application Field and Working Principle

Introduction

The AAT2862IMK-T1 is a high performance integrated circuit used for power management and control.It is powered by an adjustable current source. The device uses high speed voltage-mode control architecture, which is ideal for controlling the power of devices that have high dynamic variations in look-ahead control. It is designed to meet the needs of thin and ultra-thin Portables.

Application Field

The AAT2862IMK-T1 is designed for LED lighting applications such as portable backlighting for small LCD displays and keyboards. It is also suitable for use in automotive, emergency lighting, gaming devices and office equipment. The external on/off control provides high efficiency, low power dissipation, reliable operation and fast response time needed for LED lighting applications.

Working Principle

The working principle of the AAT2862IMK-T1 is very simple. It adjusts the voltage of the power supply to provide power to the device. When the voltage is too low, the device adjusts the voltage up to the correct level. When the voltage is too high, it adjusts the voltage down to the correct level. It is an adjustable current source that maintains a constant current over a wide range of voltages. This ensures the power supply is working in the best possible mode.The AAT2862IMK-T1 also includes a look-ahead voltage control that can detect when the voltage drops and adjusts the voltage accordingly. It also has a mode switch feature which allows it to switch between two different current values based on the device\'s operating temperature. This ensures the device is operating in the most efficient manner.

Conclusion

The AAT2862IMK-T1 is an integrated circuit designed to provide a high performance solution for LED lighting applications such as portable backlighting for small LCD displays and keyboards. It works by adjusting the voltage of the power supply to deliver the most efficient current for the device. Additionally, it includes features such as look-ahead voltage control and mode switch, which allows it to adjust the voltage and current based on the device\'s operating temperature.

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