10-TDFN (3x3) step-up converter for LCD and notebook supplies
The MAX17112ETB+T is a DC-DC step-up converter from Analog Devices, packaged in a 10-TDFN (3x3) with an exposed pad.
The input voltage range spans 2.6V to 5.5V, covering single-cell Li-ion down to near-depletion and regulated 5V rails. The step-up topology generates the higher bias voltages needed for LCD panel gate drivers and source drivers — the application note calls out LCD monitors and notebook displays as the primary load. Surface-mount assembly on the 10-WFDFN exposed pad: the pad is the main thermal path. A 2x2 via array under the pad, each via 0.3 mm finished diameter, keeps the junction below the 85°C ceiling at full load. The part is RoHS3 compliant — no bake required if the MSL is 1, but check the reel label before the oven.