ISL9011IRNCZ

Current - Output:	150mA, 300mA
Base Part Number:	ISL9011
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:	-, 70dB ~ 40dB (1kHz ~ 100kHz)
Current - Supply (Max):	60µA
Current - Quiescent (Iq):	40µA
Series:	--
Voltage Dropout (Max):	0.2V @ 150mA, -
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V, 1.8V
Voltage - Input (Max):	6.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The ISL9011IRNCZ is a linear voltage regulator manufactured by Intersil. This voltage regulator is designed to power integrated circuits such as microprocessors, transceivers, amplifiers, and other similar devices. It is a highly integrated, low-power linear power management device that is designed to meet the demanding voltage regulation requirements of modern electronic systems.

Features of ISL9011IRNCZ

The ISL9011IRNCZ is a single-phase, buck-boost regulator which is capable of providing up to 1A of output current in a small 4x4mm QFN package. It has an input voltage range of 4.3V to 17V and an output voltage range of 0.8V to 5V. The device also offers integrated power MOSFETs and a low-noise current mode control loop, making it ideal for noisy applications.

ISL9011IRNCZ Application Field

The ISL9011IRNCZ is suitable for a wide range of applications including powering wireless communication systems, wireless charger solutions, audio/video systems, cellular base stations, and automotive systems. Its low noise current mode control loop makes it an ideal choice for powering noisy high-speed ASICs, FPGAs, and other similar devices.

ISL9011IRNCZ Working Principle

The ISL9011IRNCZ is based on a buck-boost topology. It employs a current-mode control loop to regulate the load voltage, with a programmable frequency range from 300kHz to 2.4MHz. The device integrates both high side and low side power MOSFETs, with a combined RDSON of 2.2mΩ. The voltage regulation loop is implemented with a sensed low resistance current path. The output voltage is sensed at the FB node, and the voltage feedback is used by the voltage regulation loop to control the MOSFETs, regulating the output voltage through the regulated current path. The internal DSP compensates for the power source and load dynamics, as well as device temperature.

Conclusion

The ISL9011IRNCZ is a highly integrated linear voltage regulator which is designed to provide up to 1A of output current in a small 4x4mm QFN package. It is suitable for a wide range of applications, offering an input voltage range of 4.3V to 17V and an output voltage range of 0.8V to 5V. The device employs a current-mode control loop to regulate the load voltage, and integrates both high side and low side power MOSFETs, with a combined RDSON of 2.2mΩ. It is an ideal choice for powering noisy high-speed ASICs, FPGAs, and other similar devices.

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