鈫?/div>
1.6
2.2
3.3
4.4
6.6
8.8
13.4
17.9
26.9
36.0
54.0
VTM
K Factor
1/32
1/24
1/16
1/12
1/8
1/6
1/4
1/3
1/2
2/3
1
V
L
= Desired load voltage
V
OUT
= VTM output voltage
K = VTM transformation ratio
(available from appropriate VTM data sheet)
V
f
= PRM output voltage, the Factorized Bus (see Figure 14)
R
O
= VTM output resistance
(available from appropriate VTM data sheet)
I
L
= Load Current
(actual current delivered to the load)
Table 2
鈥?048 input series VTM K factor selection guide
Output Voltage Trimming (optional)
After setting the output voltage from the procedure above the output
may be margined down (26Vf min) by a resistor from SC-SG using this
formula:
10000 V
fd
V
fs
- V
fd
R
d
惟
=
vicorpower.com
800-735-6200
V鈥 Chip Pre-Regulator Module
P048K048T24AL
Rev. 1.4
Page 9 of 15