P024F048T12AL Datasheet, PDF (3/14 Pages) Vicor Corporation – PRM Regulator

Electrical Specifications
V•I Chip Regulator
Input Specs (Conditions are at 24 Vin, 48 Vf, full load, and 25°C ambient unless otherwise specified)
Parameter
Min
Input voltage range
18
Input dV/dt
Input undervoltage turn-on
Input undervoltage turn-off
13.5
Input overvoltage turn-on
36.3
Input overvoltage turn-off
Input quiescent current
Input current
Input reflected ripple current
No load power dissipation
Internal input capacitance
Recommended external input capacitance
Typ
24
15.8
14.1
37.1
37.8
0.5
5.2
284
3.82
5
1,000
Max
36
1
16.5
38.9
1
7.65
Unit
Vdc
V/µs
Vdc
Vdc
Vdc
Vdc
mA
Adc
mA p-p
W
µF
µF
Note
Increases as temp. increases to 17.3 max
PC low
See Figures 4 & 5
Ceramic
See Figure 5 for input filter circuit.
Source impedance dependent
Input Waveforms
Figure 2 — Vf and PC response from power up
Figure 3 — Vf turn-on waveform with inrush current – PC enabled
electronic load set constant R
+IN
–IN
Reflected
Ripple
Measurement
10 A
0.01 μF
10 kΩ
VC
VH
PC
SC
TM
SG
IL
OS
NC
NC
PR _{PRM-AL CD}
+In
+Out
100 μF
Al-Electrolytic
2.37 kΩ
+ OUT
–In
–Out
– OUT
Figure 4 — Input reflected ripple current
Figure 5 — Input filter capacitor recommendation
vicorpower.com 800-735-6200
V•I Chip Regulator
P024F048T12AL
Rev. 3.1
Page 3 of 14