ISL6569CR-T

Frequency - Switching:	80kHz ~ 1MHz
Base Part Number:	ISL6569
Supplier Device Package:	32-QFN (5x5)
Package / Case:	32-VFQFN Exposed Pad
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Current Limit, Enable, Frequency Control, Power Good
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	--
Duty Cycle (Max):	75%
Series:	--
Voltage - Supply (Vcc/Vdd):	4.75 V ~ 5.25 V
Output Phases:	2
Number of Outputs:	2
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	PWM Signal
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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ISL6569CR-T Application Field and Working Principle

The ISL6569CR-T is a highly integrated, single-channel, integrated power stage controller from Intersil Corporation and is classified as a PMIC, Voltage Regulator, DC-DC Switching Controller. Its primary feature is its ability to combine multiple power supply voltage levels together. It is designed for microprocessors and graphics processors and can be used in notebook PCs, desktop PCs, tablets, and PLCs. The device works on the basis of a two-stage topology. It contains two separate power supply stages, the main stage and the auxiliary stage. The main stage provides power to the central processor and the other devices, while the auxiliary stage provides additional power when needed. The main stage is connected to the auxiliary stage through a loop. This loop ensures the power requirements are always met, regardless of voltage changes. The ISL6569CR-T is capable of managing three different power rails – 3.3V, 1.2V, and 0.9V. It can convert the input voltage to any of the three preset voltage levels by switching between them via the integrated MOSFETs. The device features adjustable frequency control, which allows it to avoid conflicts with other ICs and also helps regulating power levels. The ISL6569CR-T also supports serial interface communication, which allows communication between the power supply and the host processor. It uses the proprietary Intersil PowerLink technology to enable the communication between the two. This technology is especially useful in the case of distributed power management systems.The device also offers protection mechanisms such as over-power protection, over-current protection, and temperature rise limitation. The device is rated to handle power ranges from 0.3A to 5A and voltages up to 25V, making it a suitable choice for most power management applications. The ISL6569CR-T is highly efficient, with a maximum efficiency of 95%. This helps save power, reducing the power consumption and cost of the system. The device can be used in a wide range of applications, such as industrial and consumer electronics, medical, automotive, etc.

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