LT1460HCS3-10#TRPBF

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Power management integrated circuits (PMICs) are a type of integrated circuit (IC) mainly used in digital electronics and consumer electronics. They are designed to control, manage and monitor the power supply of an electronic device. One type of PMIC is the voltage reference, and an example of that is LT1460HCS3-10#TRPBF. In this article, we\'ll discuss the application field and working principle of the LT1460HCS3-10#TRPBF.

Application Field

The LT1460HCS3-10#TRPBF is a voltage reference designed for high-accuracy, low-power and general-purpose applications. Its range of applications include power management and monitoring, precision measurement, and automotive. It has a low 150 uA supply current along with an I-grade of 0.5% over temperature. The device also features a 1.2V reference voltage output, a 2.0V turn-on voltage, and an output ramp that is ±10 mV/s. All these features make it ideal for all sorts of low-voltage, high-accuracy applications.

Working Principle

The LT1460HCS3-10#TRPBF is a 1.2V voltage reference designed to provide highly stable output voltage over a range of operating conditions and temperatures. Its principle of operation relies on a bandgap reference circuit (BGR) with a resistive load isolation network. The BGR is the core of the reference Voltage and its output voltage is set by two resistors, connected in series. The resistance value of the resistors is determined by the temperature and, using the BGR circuit, the voltage reference provides a very low drift, regardless of temperature.

The resistive load isolation network connects the reference voltage output to the output pin of the device and it is a very important part of the circuit. The network consists of two resistors (R1 and R2) in series, connected to ground and the BGR circuit output. The two resistors provide improved accuracy and protection from over-temperature and reverse-voltage conditions.

When voltage is applied to the device, the BGR circuit is activated and the output voltage is referenced to the resistor network, which results in a 1.2V output. The output voltage is then amplified, regulated and stabilized – all of which ensure that the voltage reference performs the same, regardless of temperature.

Conclusion

LT1460HCS3-10#TRPBF is a precision voltage reference designed for low voltage, high accuracy applications. It is designed with a BGR circuit and a resistive load isolation network to provide a highly stable output voltage over a range of operating conditions and temperatures. Its low supply current and low drift characteristics make it ideal for use in power management and monitoring, precision measurements, and automotive applications.

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