ADP2107-1.8-EVALZ

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ADP2107-1.8-EVALZ is an evaluation board used to test and evaluate the performance of a wide range of DC/DC and AC/DC off-line switching mode power supplies (SMPS). The board is designed to be used in conjunction with a compatible microcontroller, such as Texas Instruments\' TLV320AIC332.

The ADP2107-1.8-EVALZ board has a maximum output power of 1.8W and operates over a range of input voltages from 3.3V to 12V. It is a compact, low-cost solution for prototyping and evaluation of DC/DC and AC/DC off-line switching mode power supplies. The board has an efficient and low SNR switching design with integrated power MOSFETs, gate drive transistor, voltage feedback, and current sensing. The evaluation board features an adjustable output voltage range of 0.8V to 5.5V, adjustable step-down switching frequency from 5KHz to 500KHz, and thermal shutdown protection.

The working principle behind the ADP2107-1.8-EVALZ evaluation board is to use high-frequency switching technology to convert input voltages of between 3.3V and 12V into a regulated output voltage (0.8V to 5.5V). The board is powered by an on-board Micro-USB connection. Once this connection is made, the board takes the voltage input from the USB and is then able to generate a regulated output using Pulse Width Modulation (PWM) based control.

The PWM feature of the board ensures that when the input voltage changes, the output voltage remains constant. The feedback control loop is able to detect any changes in the output voltage and immediately adjust the duty cycle of the PWM signal to maintain the desired output voltage. This ensures that the output voltage remains within its pre-defined range, regardless of changing or fluctuating input voltages.

The evaluation board also has current sensing capabilities which allow it to adjust the switching frequency of the PWM signal. This helps to reduce power fluctuations and eliminate power losses on the output. The board also has an over-voltage and over-temperature shutdown feature which helps to protect the board and its components should they become too hot or overloaded.

The ADP2107-1.8-EVALZ evaluation board is a complete and versatile solution for evaluating DC/DC and AC/DC off-line SMPS designs. Its integrated components, adjustable output voltage range, and PWM/current sensing features make it an ideal choice for a range of applications including power supplies, DC-DC converters, automobile charging systems, portable and stationary devices, industrial applications, and more.

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