Datasheet

1
2
3
4
5
6
7
15
14
13
11
12
8
16
V
DD
DEN
DT
FRS
CLS
GATE
RTN
V
C
CS
V
SS
V
B
CTL
APb
BLNK
GAT2
10
9
19
18
17
20
APD
ARTN
COM
PPD
V
DD1
D
CLRB
Q
Oscillator
1
GATE
V
DD1
Reg
V
C
V
B
Ref
CTL
FRS
Control
enb
CONV.
OFF
+
-
4ms
Softstart
0.55V
-
+
-
CK
11Vand
9V
22Vand
21.25V
35Vand
30.5V
Class
Logicand
Regulator
V
DD
50mW
1
0
S
R
Q
12.5V
and1V
ILIM
H
L
V
SS
Common
Circuitsand
PoE Thermal
Monitor
RTN
CLS
APD
V
SS
DEN
+
-
400 sm
EN
2.5V
CONV.
OFF
4V
1.5Vand
1.2V
ARTN
+
0.75V
PPD
GAT 2
DT
COM
ARTN
APbARTN
pa
sa
1.55Vand
1.25V
ARTN
Converter
Thermal
Monitor
softstart
pa
pa, sa, den
CTL
Deadtime
GlobalCvtr.
Enable
50kW
50kW
BLNK
ARTN
CS
40 Am
(pk)
375kW
enb
Hotswap
MOSFET
Switch
Matrix
APbLogic
7.8V
den
uvlo
uvlo, pd
pd
sa
f
f
f
f
f
TPS23757
SLVS948D –JULY 2009–REVISED NOVEMBER 2013 www.ti.com
DEVICE INFORMATION
FUNCTIONAL BLOCK DIAGRAM
PWP PACKAGE
(TOP VIEW)
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