ISL6566IRZ

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Applications:	Controller, Intel VRM9, VRM10, AMD Hammer Applications
Voltage - Input:	3 V ~ 12 V
Number of Outputs:	1
Voltage - Output:	0.8 V ~ 1.6 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-VFQFN Exposed Pad
Supplier Device Package:	40-QFN (6x6)
Base Part Number:	ISL6566

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ISL6566IRZ Application Field and Working Principle

The ISL6566IRZ is a special purpose voltage regulator from Renesas Electronics Corporation. It provides low voltage and low power operation, making it ideal for applications such as automotive, power management, industrial and audio-video systems, and computer peripherals. The device is designed for use in wide input range and is well suited for low quiescent current, low voltage and low power applications.

Overview

The ISL6566IRZ is a 1.5A current limiter and voltage regulator. It features an adjustable output range of 0.9V to 5.5V and guarantees a precise output voltage accuracy of 0.8%. It also has a quiescent current of 30 µA and supports a wide temperature range of -40°C~125 °C. The device includes both current and voltage protection features such as thermal shutdown, output over voltage protection, and output current limit protection.

Key Features of ISL6566IRZ

- Adjustable voltage output range: 0.9V to 5.5V - High output accuracy: 0.8% - Low quiescent current: 30µA - Wide temperature range from -40°C to 125°C - Thermal shutdown- Output over voltage protection - Output current limit protection

Application Field of ISL6566IRZ

The ISL6566IRZ is primarily used in automotive and audio-video systems. It can be used in applications such as lighting systems, AC adapters, and power supplies, where a precise voltage with low power consumption is essential. It is also used in computer peripherals such as hard drives and networking equipment. The device is ideal for applications that require low quiescent current, low power operation, high output accuracy and wide temperature range.

Working Principle of ISL6566IRZ

The ISL6566IRZ is a programmable voltage regulator featuring an integrated error amplifier, reference voltage, temperature compensation, and current limit protection. Its operating principle is based on a feedback loop. The voltage setting is programmed with a single resistor divider. The error amplifier continuously monitors the output voltage and indicates the power pass transistor to regulate the output voltage according to the voltage setting. The reference voltage is provided by an internal bandgap voltage reference that maintains the output voltage accuracy and compensates for temperature variations. The current limit protection ensures that the device does not get damaged due to an overload or excessive current.

Conclusion

The ISL6566IRZ is a special purpose voltage regulator from Renesas Electronics Corporation. It features an adjustable voltage output range of 0.9V to 5.5V, high output accuracy of 0.8%, low quiescent current of 30µA, and a wide temperature range from -40°C to 125°C. It is used in applications such as lighting systems, AC adapters, and power supplies, where a precise voltage with low power consumption is required. The device operates based on a feedback loop and is designed for use in wide input range and is well suited for low quiescent current, low voltage and low power applications.

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