LM4041CEM3-1.2+

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The LM4041CEM3-1.2+ from Texas Instruments is a miniature low-drop voltage reference, classified under the PMIC - Voltage Reference range. It provides a low-dropout voltage reference for use in monitoring and tracking the output voltage in microprocessor applications. The device requires only a single 1μF bypass capacitor and a single 200kΩ resistor to provide its ultra-low dropout performance. With its low noise and fast transient response, the LM4041CEM3-1.2+ offers superior accuracy and allows the processor to best perform in computing and digital media applications.

The LM4041CEM3-1.2+ is available in a 5-lead SOT-23 and space-saving 3-lead SC70 package. It employs current-sensing to adjust the reference voltage, improving output accuracy over temperature, line and load variations. This is done without any additional bias components, which makes the LM4041CEM3-1.2+ exceptionally power efficient. The device requires no heater and offers an industry leading adjustable precision of ± 0.7mV over the specified input voltage line and load conditions.

The reference voltage of the LM4041CEM3-1.2+ is accurately trimmed to 2.5V within ± 0.7mV over temperature and line conditions, with the ability to drive a load up to 8mA for high accuracy applications. It offers headroom voltage of 0.90V, dropout voltage of 0.25V and OFF state current of ± 100nA. It also features input voltage range of 2.7V to 5.5V, a noise figure of 0.03mV peak-to-peak and a temperature range of -40°C to 85°C.

The output voltage of the LM4041CEM3-1.2+ is adjustable through a 200kΩ resistor connected between the adjustment pin and ground. The device also offers a wide temperature range, high accuracy and low temperature drift, making it an ideal choice for processor board and system board voltage monitoring applications. The device is manufactured with a high-voltage process for operation up to 16V and is designed specifically for precision processor reference applications.

Overall, the LM4041CEM3-1.2+ from Texas Instruments provides superior efficiency, accuracy and ultra-low dropout performance in tracking applications. It is the perfect choice for precision processor board and system board voltage monitoring applications and offers an industry leading adjustable precision of ± 0.7mV over the specified input voltage line and load conditions. The device is offered in a 5-lead SOT-23 and space-saving 3-lead SC70 package and is manufactured with high-quality components and processes, enabling superior performance and long life.

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