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TPS7H4001-SP: SYNC Pin Configuration for Parallel. How to properly connect 3 devices in parallel?

Part Number: TPS7H4001-SP

The datasheet describes paralleling 4 of these devices in section Does the below diagram still hold true for connecting 3 devices in parallel, excluding device #4? 


Below is the way I've connected the three devices in parallel using the SYNC pins. External resistors for RT are utilized for device #2 and #3, while device #1 is left open. 

1. SYNC1_primary to SYNC1_device3

2. SYNC2_primary to SYNC1_device2

3. SYNC2_device2 to VIN

4. SYNC2_device3 to GND