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V•I Chip Pre-Regulator Module

P048F048T24AL

Rev. 1.7

Page 6 of 14

PRELIMINARY

Figure 10 — Transient response; PRM alone, 48 Vin, 0 – 5.0 – 0 A

no load capacitance. Local Loop

Figure 12 — PC during fault – frequency will vary as a function of line

voltage.

Output Waveforms

Figure 11 — Transient response; load change from 40 – 80 – 40 A,

at the output of a K=1/24 VTM with no Vf bus capacitance and 100 µF

load capacitance.

Figure 13 — Output ripple full load no bypass capacitance

Figure 9 — VTM output regulation and Vf bus during load step using

VTM with K = 1/24

Figure 14 — Output ripple full load 10µF bypass capacitance