ISL9005IRRZ-T

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ISL9005IRRZ-T application field and working principle

The ISL9005IRRZ-T is an adjustable linear voltage regulator. These devices are designed for use in low voltage and low power applications. The ISL9005IRRZ-T provides a regulated output voltage range from 1.8V to 5.5V with an output accuracy of ±2%. The output current capability is up to 300mA with a dropout voltage of 500mV

Application Fields

The ISL9005IRRZ-T is well suited for a variety of applications, including:

• Data processing
• Instrumentation
• Portable instrumentation
• Portable communications
• Personal Computers
• Battery-powered devices
• Automotive applications

Working Principle

The ISL9005IRRZ-T requires a single input voltage of 2.4V to 5.5V. The output voltage is adjustable from 1.8V to 5.5V. The device is designed to operate in power management applications where low power consumption is required. The adjustable output voltage is set using an external resistor divider, allowing precision output voltages to be set without additional circuitry.

The device features include over-temperature protection, output under voltage lockout, and thermal shutdown to protect the device against over-temperature and overload conditions. The device uses an internal P-channel MOSFET as the main pass transistor and a low Rds FET to reduce the input-output voltage differential.

The device also has a wide operating temperature range of -40°C to +125°C and is available in the SOIC-8 package.

Conclusion

The ISL9005IRRZ-T is a low-power, adjustable linear voltage regulator for a variety of applications. It requires a single input voltage of 2.4V to 5.5V, and has an output voltage adjustable from 1.8V to 5.5V. Its low dropout voltage ensures high efficiency and low power consumption even at low input voltages. The device features include over temperature protection, output under voltage lockout and thermal shutdown to protect against over-temperature and overload conditions. It is available in the SOIC-8 package and has an operating temperature range of –40°C to +125°C.

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