LT1460HCS3-3.3#TRPBF

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A voltage reference is a two-terminal device which maintains a fixed voltage across its terminals, regardless of any change in the current passing through it. LT1460HCS3-3.3#TRPBF is an example of such a voltage reference. It is a Pb-free, low-drop precision voltage reference manufactured using Linear Technology’s state-of-the-art silicon-bench bipolar processes. This device allows the design engineer to set a precise output voltage with a small variation over operating temperature.

The basic working principle of the LT1460HCS3-3.3#TRPBF can be divided in four main categories:

1. Output Adjustment of Voltage Reference

The output voltage of the voltage reference is adjustable through the voltage adjust pin (ADJ). This pin can be used to adjust the output voltage within a predetermined range by simply vary the external resistor connected to this pin. The range of output voltage depends on the model of voltage reference. For the LT1460HCS3-3.3#TRPBF, the range of output voltage can be adjusted from 2.4V to 3.4V.

2. Internal Thermal Regulation

LT1460HCS3-3.3#TRPBF has an internal thermal regulation circuit to reduce the output resistance at higher temperatures, ensuring a precise and stable output voltage. The voltage will remain steady even when the power dissipation on the device increases with the increase in ambient temperature. This can be achieved by using a temperature dependent transistor connected in series with the output.

3. Voltage Reference Accuracy

The LT1460HCS3-3.3#TRPBF has an accuracy of ±0.5% over the full operating temperature range of -40°C to 125°C. The output voltage is essentially a function of the current of the device, thus ensuring the high precision of the voltage reference. This voltage reference also has a low temperature coefficient of 0.0015%/°C.

4. Maximum Operating Current

The LT1460HCS3-3.3#TRPBF has a maximum operating current of 40mA. This current is temperature-compensated, meaning that the current is essentially independent of any changes in temperature. This ensures that the output voltage is stable over a wide operating temperature range.

The LT1460HCS3-3.3#TRPBF is typically used in applications such as battery management, server power supplies, industrial controls, and medical instruments. It is also widely used in automotive electronics and precision instrumentation.

The LT1460HCS3-3.3#TRPBF is an ideal choice for precision voltage references due to its high accuracy, low temperature coefficient, and low operating current. Its adjustable output voltage, internal thermal regulation, and low temperature coefficient of 0.0015%/°C provide engineers with the flexibility to design power systems with high performance, accuracy, and reliability.

In conclusion, voltage references like the LT1460HCS3-3.3#TRPBF provide precision voltage regulation and are designed for use in applications that require high accuracy and stability. They are widely used in many applications, including power supplies, industrial controls, and automotive electronics. Their adjustable output voltage, internal thermal regulation, and low temperature coefficient make them the ideal choice for power systems that require high performance, accuracy, and reliability.

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