REF01CJ

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REF01CJ is a monolithic voltage reference IC used for designing a wide range of applications such as intermediate voltage supply, bias voltage supplies, portable test equipment and other portable applications. It can typically provide better than 0.01%, excellent temperature coefficient and a low temperature coefficient-of-curvature (CTC).

REF01CJ is typically used in precision voltage references, power supplies and many other applications. Its working principle is based on two transistors in a spin-controlled current-mirror configuration. To get the reference voltage, a reference current Iref is sourced to the emitter of an NPN transistor and then mirrored to a PNP transistor with a constant current source. A gain setting resistor is used to adjust the value of CTC and temperature coefficient.

Another important feature of REF01CJ is its excellent long-term stability. It is achieved through a symmetric monolithic design and a high-precision Lasimodi Process that ensures a high-performance over a wide temperature-range. It also has an on-chip zener diode for transients protection and an on-chip period-controlled temperature compensation for dynamic pre-charging.

REF01CJ also offers an adjustable output voltage range from 2.0V to 4.3V. The reference voltage is available through an external reference terminal. The device is equipped with an open-drain output to indicate when the reference voltage reaches its set threshold. Additionally, the device has a low dynamic impedance of 10Ω, which allows for a more stable voltage reference.

In addition, the REF01CJ has a wide range of applications in communications, medical instruments, robotics, security/surveillance, power supplies and many more. Its wide range of operating temperatures makes it suitable for high-temperature processes as well. It can be used for laser pointer control for automotive applications, for battery charge monitoring for medical devices, and for LED drivers for LED lighting control.

Overall, REF01CJ is an ideal device for precision voltage reference and many other applications. Its excellent long-term stability, adjustable output voltage range and low dynamic impedance make it an ideal choice for a variety of applications. It is a reliable and accurate solution for applications ranging from medical instruments to robotics.

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