ISL9007IUFZ

Current - Output:	400mA
Base Part Number:	ISL9007
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
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 - Quiescent (Iq):	70µA
Series:	--
Voltage Dropout (Max):	0.4V @ 400mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	6.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tube

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Introduction

The ISL9007IUFZ is a linear voltage regulator with adjustable output voltage of 0.8V to 5.5V. This device is designed to provide low-noise and high accuracy output voltage, with low quiescent current for a wide variety of applications in various markets. The ISL9007IUFZ is useful for mobile, wearable, and IOT devices.

Application Field

The ISL9007IUFZ is a low-noise, high-accuracy linear voltage regulator suitable for supplying a wide range of operating voltages for automotive, industrial, medical and other applications. It is suitable for use in battery operated systems as well as power distribution systems with an input voltage range from 2.5V to 6.5V and an output voltage range from 0.8V to 5.5V.This low-noise linear voltage regulator is particularly suitable for powering microprocessors, ASICs, memory and other sensitive analog circuits. It supports a wide range of operating frequencies from 100kHz to 500kHz, making it suitable for a variety of high-frequency applications. The low quiescent current of 0.6mA minimizes the power dissipation in the applications.The adjustable output voltage feature of this device allows it to be easily adjusted to the correct voltage for various applications. The device is fully protected with a thermal shut-down, current limit and advanced radiation protection, so it is well-suited for use in harsh environments where reliability is a critical factor.

Working Principle

The ISL9007IUFZ linear voltage regulator utilizes a current mode control topology. This topology consists of a voltage reference, an error amplifier, a transconductance amplifier (VGA) and an output stage.The voltage reference sets the reference voltage of the linear regulator. The error amplifier compares the input voltage with the output voltage, and the output of the error amplifier is then amplified by the transconductance amplifier (VGA). The output of the VGA is fed to the output stage, which controls the amount of current supplied to the load.The output of the VGA also affects the current limit of the linear voltage regulator. This current limit is set to ensure that the device does not draw more current than the specified limit. The current limit is adjustable, and can be set to prevent an overload situation or to protect the device from damage.Finally, the thermal shut-down feature of the device protects it from overheating. If the output voltage regulator temperature rises above a certain limit, the device will shut off its output until the temperature is back within operating limits.

Conclusion

The ISL9007IUFZ is a low-noise, high-accuracy linear voltage regulator suitable for supplying a wide range of operating voltages for automotive, industrial, medical and other applications. It supports a wide range of operating frequencies from 100kHz to 500kHz and offers adjustable output voltage and low quiescent current. It also has advanced protection features such as a thermal shut-down, current limit, and radiation protection. The current mode control topology employed by this device makes it a versatile and reliable solution for a variety of applications.

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