LM285DRE4-1-2

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Voltage references are commonly used in power supplies, digital electronics circuitry, and a variety of other applications. The LM285DRE4-1-2 is a voltage reference device specifically designed to provide excellent accuracy and stability over a wide operating temperature range. This device provides a variety of features, such as two-level compensation, three output formats (CMOS, LDO, and current-referenced), programmable offset, and output current compliance limit. This makes the device an ideal option for a variety of power management applications. In this article, we will discuss the application field and working principle of the LM285DRE4-1-2 voltage reference device.

Application Field

The LM285DRE4-1-2 is designed to provide excellent accuracy and stability for a variety of power management applications. These include, but are not limited to, DC/DC converters, multiphase regulators, voltage followers, LCD displays, and various mixed signal applications. Additionally, the device can be used in portable applications, where high power efficiency and accurate power control is required.

The LM285DRE4-1-2 can also be used as a negative voltage reference in a variety of different systems and devices. This includes digital to analog converters, motor drivers and controllers, isolated power supplies, and a variety of digital signal conditioning applications. The device is suitable for applications operating in temperatures ranging from -40°C to +150°C.

Working Principle

The LM285DRE4-1-2 utilizes a two-level, linear compensation design which allows for excellent voltage accuracy and stability over a wide temperature range. The two-level structure allows for the adjustment of several output parameters, including output voltage, line regulation, and output load regulation. Additionally, the device features programmable gain and offset to further optimize voltage precision and accuracy.

The device has three output formats, CMOS, LDO, and current-referenced. The CMOS format is used to provide precise levels and the LDO format is ideal for regulating current output. The current-referenced format is useful for providing stable output for both precision and discrete-level circuits. Additionally, the device features a slew rate of 0.5V/μs and a programmable output current compliance limit.

The LM285DRE4-1-2 also features an internal temperature sensor which can detect temperature changes and adjust the current output accordingly. This temperature sensing mechanism helps to ensure that the device maintains precise temperature operating range and provides excellent accuracy and stability even in high temperature environments.

In conclusion, the LM285DRE4-1-2 is a voltage reference device specifically designed to provide excellent accuracy and stability over a wide operating temperature range. It features two-level compensation, three output formats, programmable offset, and output current compliance limit. This makes the device an ideal option for a variety of power management applications. The device can be used in a variety of systems, such as DC/DC converters, multiphase regulators, voltage followers, LCD displays, and isolated power supplies. Additionally, the device has an internal temperature sensor which allows for precise temperature monitoring and adjustment for improved accuracy and stability.

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