The PFE1100-12-054xD is an 1100 watt DC to DC power supply that converts DC input into a main output of 12 VDC for powering intermediate bus architectures (IBA) in high performance and reliability servers, routers, and network switches. The PFE1100-12-054xD meets international safety standards and displays the CE-Mark for the European Low Voltage Directive (LVD). Best-in-class, 80 PLUS certified Platinum efficiency Best-in-class, Platinum level efficiency Wide input voltage range: 40 72 VDC Always-On 16.5 W programmable standby output (3.3/5 V) Hot-plug capable Parallel operation with active digital current sharing 3 High density design: 25.6 W/in Small form factor: 54.5 x 40.0 x 321.5 mm 2 I C communication interface for control, programming and monitoring with PSMI and PMBus protocol Overtemperature, output overvoltage and overcurrent protection 256 Bytes of EEPROM for user information 2 Status LEDs: IN OK and OUT OK with fault signaling High Performance Servers Routers Switches Asia-Pacific Europe, Middle East North America +86 755 298 85888 +353 61 225 977 +1 866 513 2839 2015 Bel Power Solutions, Inc. BCD.00034 AG 2 Product Family Power Level Dash V1 Output Dash Width Input N: Normal air flow R: Reverse air flow PFE Front-Ends 1100 W 12 V 54 mm D: DC S: Screw type input connector / normal air flow T: Screw type input connector / reverse air flow General Condition: T = 0 45C unless otherwise specified. A Vi nom Nominal input voltage 53 VDC V Input voltage ranges Normal operating (V to V ) 40 72 VDC i i min i max I Max input current 33 A i max rms Ii p Inrush Current Limitation Vi min to Vi max 60 Ap 1 Vi on Turn-on input voltage Ramping up 42 45 VDC 1 Vi off Turn-off input voltage Ramping down 37 40 VDC V , 0.1I , V , T = 25 C 89.3 i nom x nom x nom A V , 0.2I , V , T = 25 C 93.5 i nom x nom x nom A Efficiency without fan % Vi nom, 0.5Ix nom, Vx nom, TA = 25 C 95 Vi nom, Ix nom, Vx nom, TA = 25 C 92.9 Thold Hold-up Time V1 > 10.8 V, VSB within regulation, Vi = 53 VDC, Px nom 5 ms 96 95 94 93 92 91 Vi = 40Vdc, fan external 90 Vi = 53Vdc, fan external Vi = 72Vdc, fan external 89 Platinum 88 87 0 10 20 30 40 50 60 70 80 90 100 Po % nom Figure 1. Efficiency 1 The Front-End is provided with a minimum hysteresis of 3 V during turn-on and turn-off within the ranges. tech.support psbel.com Efficiency %