ISL9011AIRKNZ-T

Current - Output:	150mA, 300mA
Base Part Number:	ISL9011A
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, Soft Start, Under Voltage Lockout (UVLO)
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	60µA
Current - Quiescent (Iq):	40µA
Series:	--
Voltage Dropout (Max):	0.2V @ 150mA, 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Part Status:	Obsolete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:	Tape & Reel (TR)

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ISL9011AIRKNZ-T Application Field and Working Principle ISL9011AIRKNZ-T is a high performance [Linear Voltage Regulator](https://www.intersil.com/en/products/power-management/voltage-regulators/linear/ISL9011AIRKNZ-T) (LDO) developed specifically for automotive applications with advanced features. The device is rated for up to a 10A output current, with an operating voltage range of 4.5V to 32V. With an adjustable output voltage, it is a versatile and cost-effective solution for many designs.Inside the ISL9011AIRKNZ-T are two groups of components: the LDO control circuitry and the output power stage. The power stage (or pass element) is the switching transistor that is responsible for regulating the output voltage of the LDO. The control section is responsible for regulating the switching transistor, which in turn dictates the output voltage of the LDO. The ISL9011AIRKNZ-T is designed to meet the stringent requirements of automotive applications by providing a wide input voltage range, low output voltage ripple, high efficiency of operation, and low dropout voltage. The device also provides tight load, line and temperature compensation, over current protection and small size. The ISL9011AIRKNZ-T is designed to be used in automotive applications, including: car radios, car DVD players, HVAC systems, engine control systems, vehicle electronics, and automotive lighting. The device provides adjustable outputs for providing either fixed voltages between 0.9V and 5V or adjustable voltages between 4.5V and 32V. In addition, the excitation output can be adjusted from 0.8V to 5V.The ISL9011AIRKNZ-T utilizes a voltage feedback loop and a current-mode control architecture. The voltage feedback loop is composed of a voltage sensing circuit and a compensation network. The voltage sensing circuit senses the output voltage of the LDO and sends the signal to the current-mode control architecture. The current-mode control architecture then adjusts the duty cycle of the external pass transistor that is connected to the input voltage of the LDO. The output voltage is then regulated by the output voltage regulating circuitry of the LDO.The ISL9011AIRKNZ-T features an adjustable startup current. The startup current is used to adjust the quiescent current of the LDO and is adjustable from 0.1mA to 1000mA to meet different application requirements. It also features a power good signal that indicates when the LDO is ready for power up. Overall, the ISL9011AIRKNZ-T is a robust solution for automotive and other applications requiring precision regulation. By combining an adjustable output voltage and a wide input voltage range, it is a cost-effective and versatile solution to many designs. With its high efficiency, low output ripple, and protection features, it is the optimal choice for regulating power in many applications.

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