ISL6268CAZ-T

Frequency - Switching:	200kHz ~ 600kHz
Base Part Number:	ISL6268
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	-10°C ~ 100°C (TA)
Control Features:	Enable, Frequency Control, Phase Control, Power Good
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	Yes
Duty Cycle (Max):	--
Series:	Robust Ripple Regulator™ (R3)
Voltage - Supply (Vcc/Vdd):	7 V ~ 25 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction to ISL6268CAZ-T DC DC Switching Controller

The ISL6268CAZ-T is a monolithic DC-DC switching controller integrated circuit (IC) manufactured by Intersil Corporation. The IC is designed for various applications of the supply voltage, step-down and step-up voltage regulator, and is best suited for efficiently driving external N-channel MOSFETs for synchronous rectifier applications. It is a voltage regulator that can convert a wide range of input voltages, as low as 0.8 Volts DC, into output voltages of adjustable amplitude up to 20 Volts.

Working Principle of the ISL6268CAZ-T

The ISL6268CAZ-T operates by controlling the MOSFET to control the transfer of energy from the input to the output. The IC has two main components: A high-side switch and a low-side switch, with the former controlling the energy transfer from the input to the output, and the latter controlling the energy transfer from the output back to the input.When the voltage on the source side is higher than the voltage on the load side, the low side switch is turned off and the high side switch takes over, channeling current through the load. This results in the output voltage being regulated. When the voltage on the load side is higher than the voltage on the source side, the high side switch turns off and the low side switch takes over, reversing the current flow and returning the energy to the input.

Features of the ISL6268CAZ-T

The ISL6268CAZ-T is designed to be used in a variety of applications, including:• Step-down converter applications• Step-up converter applications• Transformer-less AC/DC power supplies• Portable products• High-efficiency switched-mode power supplies• Solar and battery powered systemsThe IC offers a wide range of features, such as an integrated PWM controller, precise voltage regulation, adjustable output voltage (up to 20V) with an accuracy of +/- 1%, programmable overvoltage protection, integrated protection circuitry, and low-noise operation.

Applications of the ISL6268CAZ-T

The ISL6268CAZ-T is used in a variety of applications such as digital cameras, camcorders, tablets and gaming devices. The IC is used in digital devices because it is optimized to reduce power dissipation and help extend battery life. It is also used in solar and battery powered systems because it can provide a regulated output voltage even with wide fluctuations of the input voltage.The ISL6268CAZ-T is also used in automotive applications for application where precise control of the output voltage is required. It is also used for lighting applications, LED backlighting, and as a part of power supply systems for communication systems.

Conclusion

The ISL6268CAZ-T DC-DC switching controller is a reliable, efficient and extremely versatile voltage regulator. It is designed for use in a variety of applications, from portable devices to solar powered systems, and it offers a wide range of features, such as programmable overvoltage protection, precise voltage regulation and low-noise operation. Because of this, it is a great choice for anyone looking for maximum efficiency and stability.

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