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Transcript
LTC3522 APPLICATIONS INFORMATION KELVIN TO VOUT PAD BUCK VOUT UNINTERRUPTED GROUND PLANE MUST EXIST UNDER ALL COMPONENTS SHOWN IN BOLD AND UNDER TRACES CONNECTING TO THOSE COMPONENTS PGND1 (14) SW2 (14) SW1A (11) GND (3) SW1B (10) PGOOD2 (4) PGND2 (9) MINIMIZE TRACE LENGTH BUCK-BOOST VOUT KELVIN TO VOUT PAD VIA TO GROUND PLANE PVIN1 (8) PWM (2) SHDN1 (7) VOUT1 (12) PGOOD1 (6) FB2 (1) FB1 (5) DIRECT TIE BACK TO GND PIN SHDN2 (16) MINIMIZE TRACE LENGTH PVIN2 (15) VIA TO GROUND PLANE 3522 F05 Figure 5. LTC3522 Recommended PCB Layout 3522fa 17
