LM336LPE3-2-5

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The LM336LPE3-2-5 is a monolithic, low power, three-terminal adjustable shunt regulator that produces a highly stable 2.5 V output voltage. The LM336LPE3-2-5 belongs to the PMIC ‐ Voltage Reference family and can be used in many different applications, such as power supply and output voltage control in automotive systems and consumer devices. This device is also suitable for use in low voltage digital regulated power supply circuits, as it provides excellent temperature stability and low power consumption.

The LM336LPE3-2-5 is configured as an adjustable voltage regulator, meaning that it can be set to regulate any amount of output voltage, within a certain range. The terminal configuration of this device consists of three terminals: a Reference (REFIN) terminal, an Output (OUT) terminal, and an Adjust (ADJ) terminal. The REFIN terminal is connected to the reference voltage source, which is normally set at 2.5 V. The ADJ terminal is used to adjust the output voltage to a desired value, and the OUT terminal is the regulated output voltage.

The LM336LPE3-2-5 operates by using a feedback mechanism, which compares the voltage between the REFIN and OUT terminals. If the voltage at the OUT terminal is lower than the reference voltage at the REFIN terminal, the differential error amplifier output increases the base current of the internal PNP transistor, which in turn causes an increase in the output current of the device, adjusting the output voltage up until the desired value is achieved. Similarly, if the voltage at the OUT terminal is higher than the reference voltage at the REFIN terminal, the differential error amplifier will decrease the base current of the internal PNP transistor, causing a decrease in the output current and resulting in a reduction of the output voltage to the desired value.

The LM336LPE3-2-5 has a typical quiescent current of 2.5 mA and a maximum quiescent current of 4 mA. The maximum output current is limited to 400 mA, and the current limit accuracy to ±15%. The device also offers excellent temperature stability, with an output voltage tracking variation of 3.2 mV/°C over the full operating temperature range.

The LM336LPE3-2-5 provides excellent noise and ripple rejection performance, thus ensuring that the output voltage is stable and accurate, despite variations in input voltage or temperature. This device also provides a low temperature coefficient for accurate voltage regulation, and a wide input range of 4 V to 40 V. The LM336LPE3-2-5 operates over a wide temperature range of -40°C to 125°C, making it suitable for a variety of applications.

In summary, the LM336LPE3-2-5 is a low power, three-terminal adjustable shunt regulator that is suitable for use in low voltage digital regulated power supply circuits, as it provides excellent temperature stability and low power consumption. The device is configured as an adjustable voltage regulator, and its feedback mechanism ensures that the output voltage is accurate, despite variations in input voltage or temperature. The LM336LPE3-2-5 is recommended for use in applications such as power supply and output voltage control in automotive systems and consumer devices, and is able to operate over a wide temperature range.

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