MASTERGAN4Pin descriptions and connection diagram2Pin descriptions and connection diagramFigure 2. Pin connections (top view) .C. N.C. N N.C. GND VCC HIN SD/OD LIN N.C. 31 30 29 28 27 26 25 24 23 GND PVCC 1 EP1 22 BOOT GL 2 21 OUTb PGND 3 20 GH SENSE 4 19 VS SENSE 5 18 VS SENSE 6 SENSE OUT 17 VS EP2 EP3 SENSE 7 16 VS SENSE 8 15 VS 9 10 11 12 13 14 OUT OUT OUT SENSE SENSE SENSE 2.1Pin listTable 1. Pin descriptionsPin NumberPin NameTypeFunction 15, 16, 17, 18, 19 VS Power Supply High voltage supply (high-side GaN Drain) 12, 13, 14, EP3 OUT Power Output Half-bridge output 4, 5, 6, 7, 8, 9, 10, 11, EP2 SENSE Power Supply Half-bridge sense (low-side GaN Source) 22 BOOT Power Supply Gate driver high-side supply voltage Gate driver high-side supply voltage, used only for Bootstrap 21 OUTb Power Supply capacitor connection. Internally connected to OUT. 27 VCC Power Supply Logic supply voltage 1 PVCC Power Supply Gate driver low-side supply voltage 28, EP1 GND Power Supply Gate driver ground Gate driver low-side buffer ground. Internally connected to 3 PGND Power Supply SENSE. 26 HIN Logic Input High-Side driver logic input 24 LIN Logic Input Low-Side driver logic input 25 SD/OD Logic Input-output Driver Shut-Down input and Fault Open-Drain 2 GL Output Low-Side GaN gate. 20 GH Output High-Side GaN gate. 23, 29, 30, 31 N.C. Not Connected Leave floating DS13686 - Rev 1page 3/27 Document Outline Features Applications Description 1 Block diagram 2 Pin descriptions and connection diagram 2.1 Pin list 3 Electrical Data 3.1 Absolute maximum ratings 3.2 Recommended operating conditions 3.3 Thermal data 4 Electrical characteristics 4.1 Driver 4.2 GaN power transistor 5 Device characterization values 6 Functional description 6.1 Logic inputs 6.2 Bootstrap structure 6.3 VCC supply pins and UVLO function 6.4 VBO UVLO protection 6.5 Thermal shutdown 7 Typical application diagrams 8 Package information 8.1 QFN 9 x 9 x 1 mm, 31 leads, pitch 0.6 mm package information 9 Suggested footprint 10 Ordering information Revision history