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V•I Chip Bus Converter Module

B048F320T30

Rev. 2.5

Page 2 of 12

V•I Chip Bus Converter Module

Specifications

Parameter

Min

Typ

Max

Unit

Note

Input voltage range

38

48

55

Vdc

Input dV/dt

1

V/µs

Input undervoltage turn-on

37.4

Vdc

Input undervoltage turn-off

33.6

Vdc

Input overvoltage turn-on

55.0

Vdc

Input overvoltage turn-off

59.2

Vdc

Input quiescent current

2.58

mA

PC low

Inrush current overshoot

5.5

A

Using test circuit in Figure 20; See Figure 1

Input current

6.8

Adc

Input reflected ripple current

310

mA p-p

Using test circuit in Figure 20; See Figure 4

No load power dissipation

3.9

5.2

W

Internal input capacitance

1.9

µF

Internal input inductance

5

nH

Recommended external input capacitance

47

µF

200 nH maximum source inductance; See Figure 20

Figure 1 — Inrush transient current at full load and 48 Vin with PC enabled

Figure 2 — Output voltage turn-on waveform with PC enabled at full load

and 48 Vin

Figure 3 — Output voltage turn-on waveform with input turn-on at full

load and 48 Vin

Figure 4 — Input reflected ripple current at full load and 48 Vin

Input Waveforms