ELECTRICAL CHARACTERISTICS
(T
amb
= 25
°
C unless otherwise specified)
Symbol
Parameter
Test Conditions
Min
Typ
Max
Unit
Vi
Input Voltage
Vo= 5.075V
(Operating Conditions)
Io= 0 to 30A
38
48
60
VDC
Viuv
li
Input Undervoltage Lockout
Io = 0 to 60A
29
36
V
Average Input Current
Vi= 48V
Io= 60A
Vi= 60V
Io = 60A
Vi= 48V
BW = 5Hz to 20MHz (see fig. 2)
7.8
A
lipk
Inrush TransientPeak Current
0.3
A
2
s
lir
Reflected Input Current
Io = 60A
30
mApp
Vien
lien
Enable Input Voltage
Vi= 38 to 60V Io = 0 to 60A
0
1.2
V
Enable Input Current
Vi= 38 to 60V Io = 0 to 60A
Vien= 0V
Vi= 38 to 60V Io= 0 to 60A
Vien= open
– 1
mA
Viinh
Max Inhibit Voltage
8
18
V
Pi
Input Power
Vi= 38 to 60V Io= 0A(No Load)
Vi= 38 to 60V Io = 0 to 60A
1.5
2
W
Vo
Vost
Total Output Voltage Regulation
4.490
5.075
5.210
V
Short-term Output
Voltage Regulation
Vi= 38 to 60V Io = 0 to 60A
5.002
5.075
5.148
V
Vots
Total Static Output
Voltage Regulation
Vi= 38 to 60V Io = 0 to 60A
4.970
5.075
5.180
V
Vol
Vor
Output Overvoltage Limit Initiation
Vi= 38 to 60V Io= 0 to 60A
Vi= 38 to 60V Io= 60A
BW = 0 to 20 Mhz
6.3
V
Output Ripple Voltage
50
mVpp
Von
Output Noise Voltage
Vi= 38 to 60V Io= 60A
BW = 0 to 20 Mhz
100
mVpp
Vo
Total Remote Sense
Compensation
Vi= 38 to 60V
0.6
V
δ
Vo
Peak Load Transient Response
Vi= 48V
δ
Io= 10A
slope = 0.1A/
μ
s
Vi= 38 to 60V Vo= 5V
Vi= 48V
Vi= 48V
Vi= 48V
δ
Io= 10A
slope = 0.1A/
μ
s
100
mVp
Io
Iol
Iosc
Output Current
0
60
A
Overcurrent Limit Initiation
63
A
Shortcircuit Output Current
69
A
ts
Load Transient Setting Time
250
μ
s
ton
Turn-on Time
Vi= 38 to 60V Io= 0 to 60A
Vien = from high to low
Vi= 0 to 60V
Vien = low
10
ms
Io= 0 to 60A
10
Vis
fs
η
Isolation Voltage
500
V
Switching Frequency
Vi= 38 to 60V Io= 0 to 60A
Vi= 38 to 60V Io= 60A
Case toAmbient
160
180
200
kHz
Efficiency
80
81
%
Rth
Thermal Resistance
5.2
°
C/W
°
C
Tcop
Operating Case
Temperature Range
*
0
+70
Tstg
Storage Temperature Range
– 40
+105
°
C
*
Thermal intervention @ T
cop
= 85
°
C
2/6
GS300T48-5