Demonstration circuit 488 is a high efficiency, inductorless step-down converter featuring the LTC3250-1.5. The circuit produces a fixed 1.5V output from a 3.1V to 5.5V input.
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Part number: DC488A
More details from Analog Devices Inc.| Download user guide for LTC3250ES6-1.5 Demo Board | Low Noise Regulated Step-Down Charge Pump, 3.1V ≤ VIN ≤ 5.5V, VOUT = 1.5V @ 250mA by Analog Devices Inc. | Download |