NCP1011APL130R2G

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The NCP1011APL130R2G is a power management integrated circuit (PMIC) designed as an offline switcher. It is primarily intended for use in applications that require AC/DC converter or isolated power outputs. This PMIC is able to convert a wide range of input voltages, from 6V to 20V, and is capable of delivering up to 3A of continuous output current.

The NCP1011APL130R2G is based on a frequency control topology and features a high-efficiency resonant mode control. It has an operating frequency that can be adjusted from 74 kHz to 200 kHz and is able to detect abnormal line input voltage conditions. It also provides protection against short circuit conditions and overvoltage.

The NCP1011APL130R2G is available in three different package configurations: 16-pin SOIC, 16-pin TSSOP and 20-pin VQFN. It has an operating temperature range from -40°C to 105°C and it is rated for a continuous power dissipation of 1W. It is an ideal device for applications that require high efficiency, such as AC adapters, off-line power supplies and LED drivers.

In terms of its working principle, the NCP1011APL130R2G operates as an AC/DC converter, wherein the input voltage is converted to a lower DC voltage. First, the AC voltage is rectified using a bridge rectifier. This rectified voltage is then used to power the main switch, which is operated in a quasi-resonant mode. In this mode, the switch is only turned on when the voltage across it is at its lowest peak, reducing power losses in the switch itself.

When the switch is activated, it supplies current to the output filter, which acts to smooth the output voltage and reduce the amount of ripple present in the output. Finally, the output voltage is regulated by an output voltage comparator, which compares the voltage to an internal reference voltage. Any differences between the two are fed back to the input of the main switch, which adjusts the duration of the pulses accordingly.

In conclusion, the NCP1011APL130R2G is an ideal PMIC for applications that require AC/DC conversion or isolated outputs. It is capable of converting a wide range of input voltages and is able to deliver up to 3A of continuous output current. It operates in a high-efficiency resonant mode, allowing for reduced power losses and improved efficiency. It is available in three different package configurations and is rated for an operating temperature range from -40°C to 105°C.

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