R1S12-0505/P

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DC-DC converters are voltage changing circuits used to transfer electrical power from one electric source to another. The R1S12-0505/P is a convertersSwitchmode Pulse Width Modulation (PWM) DC to DC power converter integrated with an automatically compensated on/off control circuit. It features an operating frequency range of up to 250kHz for a 12V to 5V output. It is designed to be highly efficient up to 95%, operated from an input voltage of 9-16V and a regulated output voltage of 5.0V. Its input current is limited to 1A and its operating temperature range is -40°C to 80°C.

The R1S12-0505/P is designed with a low noise, high efficiency switch mode PWM control. The switching frequency is set to ensure the best performance. It also has a low standby power dissipation. The R1S12-0505/P integrated circuit is ideal for industrial, instrumentation and telecommunication applications such as: power supplies, audio amplifiers, test and measurement, portable communication devices, industrial controllers, power amplifiers and many other applications requiring DC/DC step up/down voltages.

The main components of the unit are a transformer, a rectifier, an inductor, capacitors, resistors, and a PWM controller. The basic principle of its operation is similar to a linear voltage regulator. As the input voltage is rectified and filtered, a controlled variable voltage is obtained from the output of the rectifier stage. The rectified voltage passes through a DC-DC converter, where the output voltage is regulated by the PWM controller. The PWM controller compares the output of the comparator circuit with the feedback voltage. If the comparator voltage is higher than the feedback voltage, the operation of the PWM controller is performed in order to adjust the output voltage.

The working principle of the R1S12-0505/P is to regulate the output voltage from a varying input source. It uses power-MOSFET technology, with an integrated circuit (IC) that senses the output voltage and adjusts the switching frequency accordingly. The output voltage is regulated by adjusting the PWM duty cycle of the internal PWM controller. The PWM controller will adjust the duty cycle until the output voltage matches the preset voltage. The R1S12-0505/P also contains an output soft-start function, a short circuit protection circuit, and a current limiting circuit.

The R1S12-0505/P is perfect when high efficiency and small size are major requirements. Compact and efficient, it is ideal for use in distributed power architectures, where it is able to make the power distribution system more efficient with its high power density. With its high current rating and low standby current it is well suited for a variety of applications, from industrial and medical equipment to telecommunications and computing.

In short, the R1S12-0505/P is a high efficiency dc-dc converter with an automatically compensated on/off control circuit. It includes a low noise, high efficiency switch mode PWM control, a low standby power dissipation and an operating frequency range of up to 250kHz for a 12V to 5V output. The R1S12-0505/P ​ is suitable for a wide range of applications such as power supplies, audio amplifiers, test and measurement, portable communication devices, industrial controllers, power amplifiers and many other applications requiring dc/dc step up/down voltages. It is ideal for use in distributed power architectures due to its high efficiency and small size.

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