SLUU150
–
February 2003
7
Ev
aluation
Modules
for
Simple
–
48-V
Hot
Swap
Controllers
1
2
3
4
8
7
6
5
RTN
GATE
ISNS
–VIN
FAULT
EN
FLTTME
IRAMP
TPS2390DGK
TPS2391DGK
TP7
TP6
Q1
+
+
TP13
TP14
TP15
TP16
J3
J4
VOUT+
VOUT–
TP4
TP3
1
C5
USER
C1
1000 pF
1
2
3
4
5
SW1
TP1
RED
D1
C8
USER
1
TP2
OFF
ON
ENABLE
TP12
TP10
J2
–48 V_IN
TP8
S2
TP11
TP9
S1
OFF
ON
J1
–48 V_RTN
TP5
POWER
1
C6
100
µ
F
100 V
C7
100
µ
F
100 V
R5
20 k
Ω
1 W
SUB85N10
R4
20 m
Ω
0.5 W
C2
0.01
µ
F
C3
0.047
µ
F
C4
0.1
µ
F
1
Not installed on –001 or –002 assemblies
C9
0.082
µ
F
R4
7.32 k
Ω
1/8 W, 1%
R1
200 k
Ω
1/8 W,
1%
R3
12 k
Ω
1 W
R6
20 k
Ω
1 W
UDG
–
03018
1
U1
Figure 2. Simple
–
48-V Hot Swap Evaluation Module Schematic