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This circuit features a regulator with both high-side (HO) and low-side (LO) FETs, with resistors on the gates to ensure proper operation under specific conditions. The highlighted area shows the 4-layer board design, where ground and power planes are not visible.
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Low side (LO) FET Same regulator but without resistors fitted to the gates of the FETS High side (HO) FET
Low side (LO) FET 10 Ohm resisters fitted to the gates of both high and low side FET’s Under the same conditions, regulator delivering 350mA High side (HO) FET
Area highlighted is the regulator, Note this is a 4 layer board, ground and power planes are not visible