ITB0505S Power Supplies - Board Mount

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DC DC converters have become increasingly popular in various applications due to their ability to convert and regulate DC voltage levels. The ITB0505S DC DC converter is a highly efficient, low operating-current dc-dc converter which can be used in a variety of applications, including automotive, telecommunications, laser-diode modules, on-board battery chargers, and other dual output isolations. This application note will describe the ITB0505S DC DC converter and its features as well as its working principle.

The ITB0505S DC DC converter is a high efficiency full bridge dc-dc converter which features an open-drain output and a (/*current limited*/) current limited input. This feature enables the converter to be used in a variety of applications, including automotive, telecommunications, laser-diode modules, on-board battery chargers, and other dual output isolations. The ITB0505S converter provides an output of up to 5V/5A and operates on a wide input voltage range of 2.8V to 16V. It also features a selectable voltage output of 5V-15V. It is designed to provide a low standby current of <10uA, reducing cost and providing a reliable power supply solution.

The ITB0505S uses a high-frequency synchronous rectifier to generate an isolated output voltage. The rectifier consists of two high-frequency rectifiers and a synchronous rectifier driver. The synchronous rectifier driver controls the phase and amplitude of the output voltage so that the desired output voltage is generated. The rectified output voltage is then rectified into direct current and regulated by a control signal to maintain a stable output voltage. The control signal is generated by a pulse width modulation (PWM) converter which is triggered regularly by the oscillator. The PWM converter generates pulses with different rise and fall times and widths to control the duty cycle and thus the amplitude of the output voltage.

To ensure maximum efficiency, the ITB0505S features a low-voltage start-up circuit. This circuit helps the converter to start up from 0V without needing an external bias voltage, thereby reducing the converter\'s power consumption. Additionally, the converter includes the output short circuit protection feature which prevents damage to the components in the event of an output short circuit. The ITB0505S also features a thermal protection feature which shuts down the converter if the temperature rises above a certain level.

The ITB0505S is an ideal solution for providing a reliable and efficient power supply in applications requiring a dual output isolated DC voltage. It is easy to use and can be easily implemented in a variety of applications. It also has a low standby current and is capable of providing an output voltage up to 15V. All these features make it a great choice for a efficient and reliable power supply.

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