ISL6410AIU-T5K

Voltage - Output (Min/Fixed):	1.2V, 1.8V, 3.3V
Base Part Number:	ISL6410A
Supplier Device Package:	10-MSOP
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	750kHz
Current - Output:	600mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Programmable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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<h2>PMIC - Voltage Regulators - DC DC Switching Regulators</h2>The ISL6410AIU-T5K is a member of the Power Integrations family of DC-DC step-down switching regulators. This device is a current mode integrated synchronous DC-DC regulated switch mode controller with integrated low-side MOSFET. In this article, we will discuss the application fields and the working principle of the ISL6410AIU-T5K.<h3>Application Field</h3>The ISL6410AIU-T5K DC-DC switching regulator is designed for a wide range of applications and is ideal for consumer electronics products such as computing, communications, audio/video, portable devices, and automotive electronics. This device is specifically designed for high-efficiency and low-cost applications and is suitable for low output voltage, low-noise, and low-dropout (LDO) applications. Additionally, it offers protection against over-voltage, under-voltage, over-temperature, and over-current.The ISL6410AIU-T5K can be used to create power supplies with input ranges between 6V and 24V and output voltages ranging from 0.8V to 5.5V. This device is capable of providing up to 2A of output current, a high efficiency up to 93%, and low EMI and ripple noise. It is also capable of providing fast transient response and cycle-by-cycle current limit protection.<h3>Working Principle</h3>The working principle of the ISL6410AIU-T5K is based on the concept of a switching regulator. The switching regulator is a power supply design, which uses switches and an inductor to regulate the output voltage. When the switch is in its ‘on’ state, current flows from the input through the switch, creating a magnetic field in the inductor. As the switch changes states, the magnetic field collapses creating an opposite current to the output. Since the inductor only stores energy, this energy must be released to the output, allowing the output voltage to be regulated. The output voltage is controlled using a pulse width modulation (PWM) system. The PWM controller adjusts the duty cycle of the switch’s on/off states, which results in a proportional adjustment of the output voltage. The PWM controller includes advanced features such as frequency modulation, constant on-time control, and cycle-by-cycle current limit protection.In summary, the ISL6410AIU-T5K is a DC-DC switching regulator designed for use in consumer electronics, automotive, and portable device applications. It offers protection against over-voltage, under-voltage, over-temperature, and over-current, as well as a high efficiency of up to 93%. The working principle is based on a switching regulator, in which the output voltage is regulated by pulse width modulation control.

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