TLV431AILPE3

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In recently years, the TLV431AILPE3 has become increasingly popular in the market due to its low power consumption and high precision performance. It is popularly used in PMIC - Voltage Reference applications. The TLV431AILPE3 has a wide operating temperature range and is available in an 8-lead SOIC package. It is ideal for applications in battery-powered systems, motor control circuits, over-voltage and under-voltage protection circuits, and monitoring and control circuits.

The TLV431AILPE3 is a three terminal adjustable precision voltage reference. It is designed to provide a stable voltage reference with a wide operating temperature range of -25ºC to +85ºC, and can both sink and source current up to 10 mA. In addition, the TLV431AILPE3 has a typical thermal resistance of 1.5K/W. The device is available in four fixed output voltage options of 1.2V, 1.5V, 2.5V, and 4.096V, which are specified over the temperature range of -25°C to +85°C.

The working principle of the TLV431AILPE3 is simple. The device consists of two functional blocks; a reference diode and a high gain differential amplifier. The reference diode creates a fixed reference voltage that is buffered by the amplifier. The output of the amplifier is then regulated by an external control voltage, which is applied at the device\'s third terminal. This voltage reduces the current applied to the reference diode, and thereby, reduces the output voltage. This way, the output voltage can be programmed via the control voltage and the device\'s input-output relationship is linear.

The TLV431AILPE3 provides excellent long-term stability and wide temperature range performance, making it a viable option for variety of PMIC - Voltage Reference applications. The device offers very low power consumption, a maximum drift of 10ppm/°C, and guarantees a 1.0% constant temperature coefficient of output over the entire operating range. It also has an integrated on-chip Zener diode, allowing it to be used in a wide variety of power supply regulation applications.

The TLV431AILPE3 requires a minimum of two external components, a bypass capacitor on the control voltage terminal and an output resistor which sets the reference voltage. The bypass capacitor helps reduce noise and ripple that may affect the output accuracy. The output resistor can be used to set either the output voltage or the output current.

In summary, the TLV431AILPE3 is a low-power, high-precision voltage reference with a wide operating temperature range and verified performance. It is designed specifically to provide stable and accurate reference voltages in PMIC - Voltage Reference applications, making it an ideal choice for a wide range of battery-powered systems, motor control circuits, over-voltage and under-voltage protection circuits, and monitoring and control circuits.

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