LM385M-2.5/NOPB

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Application field and working principle of LM385M-2.5/NOPB

The LM385M-2.5/NOPB is categorized as a PMIC (Power Management IC) with a voltage reference. It is designed to be used in voltage sources and voltage references for a wide variety of applications. Specifically, this PMIC is used to provide a stable output voltage reference in order to control the output current within a certain range. In addition, it is also suitable for precision current limiting and voltage regulation circuits.

The main feature of the LM385M-2.5/NOPB is that it provides a stable output voltage reference with low temperature drift. It has a low output impedance to ensure an accurate voltage reference voltage over temperature, as well as providing excellent performance over temperature range. With these features, the LM385M-2.5/NOPB is ideally suited for use in voltage reference circuits, as well as current source and low-power precision electronic systems.

The working principle of LM385M-2.5/NOPB is based on a four-terminal network, with two internal FET transistors that provide a low-impedance current source reference. The first transistor is used to monitor and control the output voltage by maintaining a constant voltage drop across its gate-source junction between input and output. The second transistor, together with the external source voltage, provides a high-current source reference. The reference voltage across the two internal transistors is kept constant by a low-power feedback loop. This voltage is then connected to the output voltage terminals and is used as the output voltage reference.

The output voltage reference can be adjusted by the external trigger signal, thus controlling the output voltage. The internal protection circuits, such as the high-side protection circuit, ensure that there will not be any oversized current flowing through the system. This feature is especially important for circuitry that deals with high currents such as motors, lighting, and power converters.

The LM385M-2.5/NOPB is a highly reliable and precise voltage reference IC, with superior performance compared to other devices. It is ideally suited for applications in precision voltage reference and current limiting circuits. The device is simple to use and provides excellent performance and accuracy over temperature range.

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