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D1U54-D-1200-12-HC4PC Datasheet(PDF) 5 Page - Murata Manufacturing Co., Ltd. |
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D1U54-D-1200-12-HC4PC Datasheet(HTML) 5 Page - Murata Manufacturing Co., Ltd. |
5 / 6 page D1U54-D-1200-12-Hx4PC Series 54mm 1U Front End DC-DC Power Converter D1U54-D-1200-12-Hx4PC.A01 Page 5 of 6 www.murata-ps.com/support WIRING DIAGRAM FOR OUTPUT CURRENT SHARING NOTES +12V main output return V1_SENSE (Main Output Remote Sense) V1_SENSE_R +12V main output E3 6-10 1-5 D3 Dotted lines show optional remote sense connections. Optional remote sense lines can be attached to a load that is a distance away from the power supply to improve regulation at the load. D1U54P 12V load B4 A2,B2 A1,B1,C1,D1,E1 FET, BJT, wire or switch (debounced ) to turn on +12V main output VSB load VSB PS_ON VSB_return A5 (or A3) PS_KILL D1U54P B5 (or D4) ISHARE PS_KILL A5 (or A3) A2,B2 VSB_return PS_ON B4 A1,B1,C1,D1,E1 VSB B5 (or D4) D3 V1_SENSE_R ISHARE +12V main output return +12V main output V1_SENSE (Main Output Remote Sense) E3 6-10 1-5 1. Main 12VDC Output: Analogue active share bus. The ISHARE bus (Pin B5 or D4) must be connected on all sharing modules. It is not required that the SENSE signals are con- nected to the remote load for current share to operate correctly. 2. Up to eight (8) power modules can be connected in parallel (non-redundant) or N+1 configuration. The current share bus is analogue bi-directional (can source or sink current from the ISHARE bus). The voltage of the bus would measure 8VDC for a single power module at 100% load; for two (2) modules sharing a common load the ISHARE bus voltage would be 4V for a perfect 50/50 current share scenario. 3. The VSB (Standby Output) output of the power module can also be connected in parallel; internal output isolation devices are provided however the combined available power is limited to that available from a single power module (3.3V or 5V; 20W) irrespective of the number of modules connected in parallel. |
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