LP3972SQ-I514EV/NOPB

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LP3972SQ-I514EV/NOPB – An Evaluation Board for Offline DC/DC & AC/DC

The LP3972SQ-I514EV/NOPB evaluation board is an easy-to-use evaluation board designed to help users analyze and understand the working principles of offline DC/DC and AC/DC non-isolated switching power supplies. It is based on the LP3972SQ-I514EV/NOPB device, which is an offline switcher regulator from TI’s LP3972 series.

The LP3972SQ-I514EV/NOPB device is capable of delivering up to 2.2A continuous output current at a minimum 3.3V input voltage and provides a maximum output voltage of 12V. It has a built-in 200kHz frequency modulation capability, enabling the user to work with different applications and to reduce output ripple. With its adjustable output voltage control, the board can be used to operate in a wide range of voltage outputs.

Additionally, the LP3972SQ-I514EV/NOPB evaluation board is an excellent choice for system loads with high power consumption levels as it comes with a host of features, such as remote enabling, active current limit and thermal shutdown. Also, it comes with a transient response detection circuit that is used to detect any overshoot/undershoot behaviour of the output voltage.

The working principle of the LP3972SQ-I514EV/NOPB evaluation board is based on the Pulse Width Modulation (PWM) technique. When the device’s Enable pin is enabled, the incoming AC voltage is converted to a DC voltage through the rectification process. The PWM circuitry then modulates the output voltage according to the user’s input settings. The active current limit and thermal shutdown features ensure that the system stays protected in case of overload or thermal runaway conditions.

The LP3972SQ-I514EV/NOPB evaluation board is a versatile and reliable evaluation board for designing and testing non-isolated DC/DC and AC/DC switching power supplies. Its adjustable output voltage control and sophisticated protection features make it an ideal solution for high power system loads. It is also suitable for applications that require clean and ripple-free output voltages.

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