BH29NB1WHFV-TR Integrated Circuits (ICs)

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The BH29NB1WHFV-TR is an adjustable linear voltage regulator. It provides a positive fixed voltage of 6.2V with an output current up to 1.5A. Operating as a three-terminal regulator, the BH29NB1WHFV-TR regulates the output voltage of its non-inverting input against the voltage applied to its adjustable pin. It is specially designed for use in DC-DC applications and provides a robust, accurate and reliable substitution to its predecessor, two terminal zener-based linear regulators.

In terms of application field, the BH29NB1WHFV-TR is used widely in the area of DC-DC power conversion. Additionally, it also finds applications in load current measurement, load isolation, and DC power supply. Furthermore, the adjustable regulator is widely used in the area of medical equipment, laboratory instruments, automotive, and industrial controllers.

The working principle of the BH29NB1WHFV-TR is generally the same as other three-terminal voltage regulators.It utilizes an internal voltage reference to maintain a fixed voltage gap between its output and adjustable pin. In normal operation, a fixed (or trimmable) reference voltage (Vref) is provided to the adjustable pin directly. A sense voltage (Vout) is applied to the output pin. Both voltage signals are compared with a differential amplifier, which becomes collaborative when the two voltages are within the offset voltage. This will then trigger the main circuit, creating an error amplifier that controls the output voltage via a pass element (usually MOSFET or Bipolar Transistor) connected to the output pin.

In order to minimize the effects of external noise, the BH29NB1WHFV-TR features an additional low-noise-optimized design with selectable slew rate (2kHz or 400kHz). The power input range of the BH29NB1WHFV-TR is from 6 to 20V, maximum output current is 1.5A, and temperature range is from -40 to 85 degrees Celsius. In addition, the BH29NB1WHFV-TR comes with thermal shutdown protection, overvoltage protection, short-circuit protection, undervoltage lock-out, overload protection and low dropout voltage, making it an excellent choice for high current applications.

In short, the BH29NB1WHFV-TR is a configurable and robust adjustable linear voltage regulator that is suitable for all kind of DC-DC applications, from medical devices to industrial controllers, where a precise and reliable control of the output voltage level is required. It is designed with state-of-the-art features such as low output noise, low power dissipation and a wide temperature range. It is also easy to configure the device with external resistors or a voltage divider without additional components.

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