FEBFAN6604MR-CH11U65A-GEVB

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FEBFAN6604MR-CH11U65A-GEVB is an evaluation board for DC/DC and AC/DC (off-line) switch mode power supply (SMPS) applications. The board is specifically designed to evaluate the performance of the Fairchild Semi FAN6604MR-CH11U65A Offline SMPS controller.

The FAN6604MR-CH11U65A is a low cost, high performance, external MOSFET based 78kHz DC/DC controller for flyback converters with a wide input voltage range of 4.5V to 28V. It is an ideal solution for low power offline flyback converters. The board also includes a full complement of land pattern pads for external devices such as MOSFETs and feedback components.

The board features a MOSFET driver for the high side and low side MOSFETs, an opto-coupler feedback circuit and a safety isolation feature that isolates the load from the primary side to minimize the possibility of user impacts. The MOSFET driver is controlled by the controller\'s internal circuitry and synchronized with the instantaneous load current sensed by the external MOSFET. The board also has a power rail monitor circuit to monitor the output voltage for over and under voltage conditions.

The board is designed to simulate an application that uses the Fairchild Semi FAN6604MR-CH11U65A Offline SMPS controller. The power supply design includes the integrated circuit (IC) on the evaluation board, output transformer, power MOSFETs with appropriate packages, output filter components, isolator, Flyback diode, resistors, voltage regulator, capacitors and heat sink.

The board consists of two sections; a primary side and a secondary side. The primary side includes the main components required for the DC/DC offline converter circuit. The secondary side has the components to form a power stage and contains the output filters, the power diode, the transformer and the output voltage regulator. The evaluation board also includes several LEDs to indicate the status of the circuit\'s operations.

The board includes several jumpers to select operating modes, output voltage range, and feedback options that enable the board to be tested in a wide range of applications. It also has potentiometers to adjust the output voltage and current setpoints. Additionally, there are on-board test points to measure different circuit parameters.

The board is well-suited for applications such as adjustable output switches, automotive switch mode power supplies, computer power supplies, LED drivers, telecom power supplies and industrial power supplies.

In summary, the FEBFAN6604MR-CH11U65A-GEVB board is a powerful and cost-effective evaluation tool for applications using the Fairchild Semi FAN6604MR-CH11U65A Offline SMPS controller. It has a wide range of selectable operating modes and test points, making it ideal for applications that require making adjustments in the midst of production or development cycles.

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