DC1923A

Demonstration circuit 1923A features the LTC3129-1, a high efficiency 200mA buck-boost DC/DC converter with a wide VIN and VOUT range. Demo board has two user selectable operating modes: Burst Mode® operation and fixed frequency PWM (JP3). The LTC3129-1 also incorporates a maximum power point control function which can be enabled (JP2) for applications where the input source is a solar cell or is high impedance, such as intrinsically safe applications or high ZOUT thermal electric generators (TEGs). The LTC3129-1 also features fixed output voltages with eight user-selectable settings. This allows user to eliminate the output voltage divider and the associated bias current. The DC1923A operates with 2.42V to 15V input voltage range and has been designed with the output voltage set to 5V. The demo board can be programmed to any of the eight voltage settings by using jumpers.

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