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P048F048T12AL Datasheet(PDF) 2 Page - Vicor Corporation |
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P048F048T12AL Datasheet(HTML) 2 Page - Vicor Corporation |
2 / 14 page vicorpower.com 800-735-6200 V•I Chip Pre-Regulator Module P048F048T12AL Rev. 1.0 Page 2 of 14 PRELIMINARY Overview of Adaptive Loop Compensation Adaptive Loop compensation, illustrated in Figure 1, contributes to the bandwidth and speed advantage of Factorized Power. The PRM monitors its output current and automatically adjusts its output voltage to compensate for the voltage drop in the output resistance of the VTM. ROS sets the desired value of the VTM output voltage, Vout; RCD is set to a value that compensates for the output resistance of the VTM (which, ideally, is located at the point of load). For selection of ROS and RCD, refer to Table 1 below or Page 9. The V•I Chip’s bi-directional VC port : 1. Provides a wake up signal from the PRM to the VTM that synchronizes the rise of the VTM output voltage to that of the PRM. 2. Provides feedback from the VTM to the PRM to enable the PRM to compensate for the voltage drop in VTM output resistance, RO. -In PC VC TM +In -Out +Out VTM +Out -Out K Ro +Out –Out +In –In VC PC TM IL VH PR NC SG SC PRM-AL OS NC CD L O A D Factorized Bus (Vf) Vo = VL ± 1.0% (Io•Ro) K Vf = VL + K Vin ROS RCD Output Power Designator (=Pf /10) P 048 F 048 T 12 AL Pre-Regulator Module Input Voltage Designator Product Grade Temperatures (°C) Grade Storage Operating T -40 to150 -40 to125 M -65 to150 -55 to125 Configuration (Fig.21) Nominal Factorized Bus Voltage AL = Adaptive Loop Desired Load Voltage (Vdc) VTM P/N(1) Max VTM Output Current (A)(2) ROS (kΩ)(3) RCD (Ω)(3) 1.0 V048F015T100 100 3.57 26.1 1.2 V048F015T100 100 2.94 32.4 1.5 V048F015T100 100 2.37 39.2 1.8 V048F020T080 80 2.61 35.7 2.0 V048F020T080 80 2.37 39.2 3.3 V040F033T060 60 2.89 32.6 5.0 V048F060T040 40 2.87 33.2 10 V048F120T025 25 2.86 32.9 12 V048F120T025 25 2.37 39.2 15 V048F160T019 18.8 2.49 37.4 24 V048F240T012 12.5 2.37 39.2 28 V048F320T009 9.4 2.74 35.7 36 V048F480T006 6.3 3.16 30.1 48 V048F480T006 6.3 2.37 39.2 Table 1 — Configure your Chip Set using the PRM-AL Note: (1) Verify the configuration option and product grade temperature before ordering as shown above. (2) See “PRM output power vs. VTM output power” on Page 10 (3) 1% precision resistors recommended Figure 1 — With Adaptive Loop control, the output of the VTM is regulated over the load current range with only a single interconnect between the PRM and VTM and without the need for isolation in the feedback path. General Specifications V•I Chip Pre-Regulator Module Part Numbering |
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