ISL9000AIRKNZ

Current - Output:	300mA, 300mA
Base Part Number:	ISL9000A
Supplier Device Package:	10-DFN (3x3)
Package / Case:	10-VFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature, Under Voltage Lockout (UVLO)
Control Features:	Enable, Power On Reset
PSRR:	--
Current - Supply (Max):	52µA
Current - Quiescent (Iq):	32µA
Series:	--
Voltage Dropout (Max):	0.325V @ 300mA, 0.325V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.85V, 3.3V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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ISL9000AIRKNZ Voltage Regulators & Working Principle Voltage regulators are essential components in the design of any electronic circuit, granting the necessary power for critical systems. The Linear Voltage Regulators (LDOs) supplied by the ISL9000AIRKNZ family has been especially designed to deliver maximum voltage accuracy, low noise and fast response time in all conditions. Understanding their operation and advantages are essential to optimize their use in your own circuit design. Synopsis of ISL9000AIRKNZ Linear Voltage Regulators The Linear Voltage Regulators developed by Intersil, and part of the ISL9000AIRKNZ series, are ideal voltage regulators suited for portable and battery-backed applications where high accuracy and low power consumption are of paramount importance. With an input range of 3V to 5.5V, they offer an adjustable output range of 0.9V to 5.0V with a maximum output current of 1A. Additionally, they feature a shutdown mode which disables the regualtor in a very low power state.Features and Benefits of ISL9000AIRKNZ Regulators The ISL9000AIRKNZ voltage regulator not only offer exceptional performance characteristics, but also some specific features that make them specially suited for a myriad of applications. Among their distinguishing features we find:

• Very low quiescent current of 7.5uA
• Compact packages: 2mm x 2mm WLCSP, 3mm x 3mm MLF-8, SOT-23-5 and Others
• Ultra-fast Transient Response
• Unconditionally Stable with Low ESR Ceramic Capacitors
• Dropout voltage of only 100mV @ 250mA
• Adjustable output from 0.9V to 5.0V
• Output current up to 1A
• Operate with low drop-out voltage
• Input voltage up to 5.5V
• High accuracy and line/load regulation compliance
• Extremely high PSRR

These features make the ISL9000AIRKNZ ideal for a wide array of applications such as PoE (Power over Ethernet) systems, high reliability industrial and automotive, handhelds, Wi-Fi and Bluetooth equipment, wearable and portable healthcare monitoring systems, mobile phones and tablets, and industrial controllers. Internals and Working Principle of ISL9000AIRKNZ LDO Regulators The ISL9000AIRKNZ linear regulators contain two main parts, the first one being the control circuit. This circuit compares the voltage at the point where the sense resistor is connected to the output of the regulator (Vout). When the calculated current dependant on the output voltage and the value of the sense resistor is different to the programmed set-point, it will makes the adjustments needed in order to balance these values. The second part of the ISL9000AIRKNZ regulator is the pass element. This element is put in parallel with the load and senses the current passing through it. When the current is not in balance with the output voltage, the control circuit starts to change its value in order to limit the voltage drop at the regulator’s output. By having a regulated output when operating in drop-out mode, the ISL9000AIRKNZ offers superior performance and response when compared to other linear regulators. Conclusion In conclusion, the Linear Voltage Regulators (LDOs) supplied by the ISL9000AIRKNZ series offer impeccable operation and fast response to fill the need of a myriad of applications, including communications, computing, industrial, automotive and medical systems. With features such as an adjustable output range of 0.9V to 5.0V and a low quiescent current of 7.5uA, its performance and properties make it an ideal component for many designs.

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