Analog Devices Inc. LT3120 Demo Board DC2815

Analog Devices Inc. LT3120 Demo Board DC2815 is an evaluation platform for the LT3120 Monolithic Buck-Boost Converter. The LT3120 can operate over 2.5V to 26V input voltage and 0.8V to 24V output voltage range. Integrated low R_DS(ON) N-channel DMOS power switches reduce solution complexity and maximize conversion efficiency. Internal high side power switch drivers require only two small external capacitors simplifying application circuit design.

The Analog Devices Inc. DC2815A Demonstration Board includes a pre-mounted LT3120 in an LQFN-24 package.

The DC2815A demo board has four user-selectable operating modes:

An accurate programmable EN/UVLO pin is used to ENABLE the converter (JP1).
Programmable MPPC (Maximum Power Point Control) for input regulation setpoint (JP2).
Burst Mode® operation and external CLK/Fixed Frequency PWM (JP3).
Programmable Output Average Current Limit setpoint (JP4).

The LT3120 uses average current mode control to simplify voltage loop compensation and provide good line and load transient response.

The DC2815A operates with a 2.5V to 26V input voltage range. The Demo Board has been designed with the output voltage set to 5V. The LT3120 incorporates a proprietary low noise switching algorithm that optimizes efficiency with input voltages above, below, or equal to the output voltage and ensures seamless transitions between operating modes.