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V•I Chip Bus Converter Module

B048K030T21

Rev. 1.0

Page 2 of 15

V•I Chip Bus Converter Module

PRELIMINARY

Specifications

Parameter

Min

Typ

Max

Unit

Note

Input voltage range

38

48

55

Vdc

Input dV/dt

1

V/µs

Input undervoltage turn-on

38

Vdc

Input undervoltage turn-off

32

Vdc

Input overvoltage turn-on

55

Vdc

Input overvoltage turn-off

60

Vdc

Input quiescent current

2.6

mA

PC low

Inrush current overshoot

1.3

A

Using test circuit in Figure 21; See Figure 1

Input current

4.8

Adc

Input reflected ripple current

182

mA p-p

Using test circuit in Figure 21; See Figure 4

No load power dissipation

3.3

4.56

W

Internal input capacitance

4

µF

Internal input inductance

20

nH

Recommended external input capacitance

47

µF

200 nH maximum source inductance; See Figure 21

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