MAX15062BEVKIT#

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The MAX15062BEVKIT# is an Evaluation Board for DC/DC and AC/DC (Off-line) SMPS which can be used to evaluate and demonstrate the features of MAX15062 – a high frequency, current mode, high performance, 3.3V/15A PWM controller with 1A LDO. This evaluation board is ideal for multiple output designs that require an input voltage range of 11V to 13.5V (Tj = 0°C to +125°C).

The MAX15062BEVKIT# is a single-ended, off-line, switch-mode power supply (SMPS) that can be used as an easy-to-use, complete solution for device evaluation and application development. This device is capable of providing a regulated output voltage with very high efficiency and very low noise. The board offers various features such as a very low quiescent current, a start-up latching circuit, wide input voltage range, and a current limit circuit. It also contains input capacitors, an external MOSFET to drive the load, and a series resistor to limit inrush current.

The MAX15062BEVKIT# uses the following components:

• The MAX15062 is a 3.3V 15A PWM controller IC, designed for applications that require high efficiency and low noise.
• The MAX15231 is an external MOSFET driver IC that is used to drive the external MOSFET used to control the load.
• The IFA3336-3.3 is a 500mA LDO regulator IC that ensures the output voltage is kept constant during start-up.
• The MCP1650 is a switching regulator controller IC that is used to convert the input voltage to the desired output voltage.
• The LTC2063 is a current limiting IC, allowing for protection from excessive current.
• The C4203-12 is a 12V, 0.1A switching regulator used to step down the input voltage.

The MAX15062BEVKIT# works on a typical SMPS design principle in which both the input voltage and the load are switched from OFF to ON at a high frequency. The switching is done via the MAX15062 PWM controller, which is also used to monitor the output voltage. The LDO regulator is used to latch the output voltage to the desired level. The feedback from the output voltage is monitored by the MAX15062 to adjust the switch duty cycle and maintain a constant output voltage.

The MAX15062BEVKIT# can operate as either a step-down or a step-up converter, depending on the output voltage. In order to achieve a step-down converter, the current mode controller, the integrated MOSFET, and the C4203-12 are used to convert the input voltage to the desired output voltage. For the step-up converter, the MAX15231 driver IC and the external MOSFET are used to drive the isolated inductor and convert the input voltage to a higher output voltage.

The MAX15062BEVKIT# is an efficient, robust, and cost-effective solution for multiple output designs that require an input voltage range of 11V to 13.5V (Tj = 0°C to +125°C). It is also applicable to other AC/DC and DC/DC applications that operate over the same voltage range.

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