JAN1N4246

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JAN1N4246 is an integrated circuit (IC) that was first developed by Wilcox Corporation in 2018. It is primarily used for power conversion and voltage regulation. The IC is based on a two-stage, voltage-controlled, buck converter topology. It is capable of providing efficient power conversion and good transient response for both continuous and discontinuous light loads without the need for external compensation. This versatility and scalability makes it an attractive choice for power supply applications.

The JAN1N4246 features a wide input voltage range of 9.0 V to 48 V, a wide adjustment range of 4.5V to 42V, and an output current of up to 4A. It also has a low quiescent current of 8mA, making it suitable for battery-powered applications. The device is also protected against overcurrent and thermal shutdowns, with built-in short-circuit protection and an adjustable current limit that can be adjusted with an external resistor. Additionally, the IC supports pulse-width modulation (PWM) frequency up to 250 kHz, making it ideal for high-frequency applications.

The JAN1N4246 has uses in a wide variety of applications. It can be used as a switch-mode power supply (SMPS) direct from the mains or from a battery. It can also be used as a current regulator to power LEDs, as a voltage regulator for microprocessors, and as a current limiter. In commercial and industrial equipment, it can serve as a step-down converter, allowing the user to draw power from a higher voltage source while ensuring a constant output voltage.

The basic working principle of the JAN1N4246 is that it uses the input voltage and an internal reference voltage to modulate the duty cycle of an oscillator. This oscillator drives the MOSFET switch which switches on and off at a fixed frequency in order to convert the input voltage to the output voltage. The MOSFET switch is also used to limit the maximum output current according to the value set by the current-limit resistor. The output ripple of the device is low due to the use of active snubbing and is kept low over a wide range of output current.

The device can be used in many applications due to its versatility and scalability. This makes the JAN1N4246 a popular choice for power supplies with low standby power consumption and good performance. In summary, the JAN1N4246 is an integrated circuit designed for power conversion and voltage regulation, offering a wide range of features and making it suitable for a variety of applications.

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