AAT2614IDG-2-T1 Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (4)
Function:	Any Function
Number of Outputs:	5
Frequency - Switching:	1.7MHz
Voltage/Current - Output 1:	1.2V, 600mA
Voltage/Current - Output 2:	1.8V, 300mA
Voltage/Current - Output 3:	2.8V, 300mA
w/LED Driver:	No
w/Supervisor:	No
w/Sequencer:	No
Voltage - Supply:	2.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	20-WFQFN Exposed Pad
Supplier Device Package:	20-TQFN (3x3)

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AAT2614IDG-2-T1 application field and working principle

AAT2614IDG-2-T1 is a regulated LED driver, specifically designed to be used in notebook PCs and other electronics that require efficient LED backlighting. The device is powered by an external DC-DC converter and features an integrated boost controller and a low-noise power MOSFET, which makes it extremely energy-efficient. Its integrated circuit is built using a CMOS process, enabling low operating current and a high efficiency of up to 97%.The device incorporates a wide, adjustable output voltage range that can be set from 0.4V to 6.0V, depending on the current load and the external DC-DC converter that delivers power to the AAT2614IDG-2-T1. The device is equipped with two programmable current limit settings, which makes it possible to set an optimal level of power that is supplied to the connected loads.The AAT2614IDG-2-T1 is a linear voltage regulator, switched-mode power supply (SMPS), which offers excellent performance and flexibility. It consists of an input power stage, a linear regulator, and a switching stage. The regulator can be programmed to regulate output voltage and current both accurately, while minimizing power consumption and ensuring high reliability.In the first step of its operation, the AAT2614IDG-2-T1’s input power stage receives an input voltage from the DC-DC converter. This voltage is then passed through the linear regulator, which reduces the voltage to a predetermined output voltage. The switching stage then passes filtered power to the output terminals, which is then supplied to the connected LED backlight source.The device also contains built-in protection functions, such as over-current protection and thermal shutdown. This ensures that the device is protected from excessive heat and current flows.AAT2614IDG-2-T1 can be widely used in the lighting industry, mobile phones, tablets, and cameras, and may be used for harsh environment applications due to its excellent thermal characteristics. Its linear regulation and high efficiency make itthe perfect choice for energy efficiency applications.

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