PT4822N

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DC DC converters are used to convert direct current (DC) electrical power from one voltage level to another voltage level. Typically, the input voltage is relatively high and the output voltage is relatively low. The DC DC converter is capable of regulating its output voltage even when the input voltage level varies.
A type of DC DC converter is the PT4822N module. This module is designed for high reliability applications, particularly telecommunications. It is a two-terminal dc-to-dc converter, which offers an input voltage in the range of 4 VDC to 32 VDC and an output voltage of 1.2 VDC to 2.5 VDC.
The PT4822N utilizes a full-control step-down power conversion technology, which provides up to 95% efficiency. The integrated converter operates at a 200 kHz switching frequency to keep the external components and operating temperature low enough to ensure reliable, long-term operation.
The PT4822N also integrates a power control circuit, which allows the module to be controlled by an external signal and provides accurate current limiting, thermal protection, and overload protection. The power control circuit enables the converter to operate in a continuous linear mode or in a pulse-width modulation (PWM) mode, depending on the application and the input voltage range.
The PT4822N is specifically designed as an economical solution for high efficiency, low power applications. The module is suitable for applications requiring high outputs such as mobile phones, PDA, and other portable device applications. It can also be used in multi-cell battery-charger applications and in distributed power systems.
In summary, the PT4822N is a two-terminal DC-to-DC converter that offers input voltage levels of 4 VDC to 32 VDC and output voltage levels of 1.2 VDC to 2.5 VDC. The PT4822N utilizes a full-control step-down power conversion technology to ensure high efficiency and low external component counts. The integrated power control circuit allows the converter to be controlled by an external signal and provides accurate current limiting, thermal protection, and overload protection. The PT4822N is suitable for high-outputs applications such as mobile phones, PDA, and other portable device applications in addition to multi-cell battery-charger applications and distributed power systems.

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