max5952auaxt Maxim Integrated Products, Inc., max5952auaxt Datasheet - Page 46
max5952auaxt
Manufacturer Part Number
max5952auaxt
Description
Max5952 High-power, Quad, Pse Controller For Power-over-ethernet
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX5952AUAXT.pdf
(50 pages)
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High-Power, Quad, PSE Controller
for Power-Over-Ethernet
Figure 15. -48V to +3.3V (300mA) Boost Converter Solution for V
Figure 16. Layout Example for Boost Converter Solution for V
46
______________________________________________________________________________________
GND
-48V
0.47μF
100V
C6
-48V
GND
1700 (mils)
Q4
MMBTA56
15nF
C3
1
2
3
4
C2
0.022μF
V+
V
FB
SS_SHDN
DD
R10
2Ω
1Ω
R6
MAX5020
1kΩ
R5
NDRV
GND
V
CS
CC
8
7
6
5
68μH, DO3308P-683
DIG
1700 (mils)
C1
0.1μF
L1
DIG
30Ω
R8
GATE
C8
2.2μF
SOURCE
DRAIN
Sanyo 6SVPA220MAA
Q1
Si2328 DS
R4
1Ω
DIODES INC.: B1100
4.7nF
C9
D1
R9
1Ω
220μF
C4
C7
0.22μF
R7
1.02kΩ
MMBTA56
2.61kΩ
R1
Q2
1700 (mils)
R2
6.81kΩ
Q3
MMBTA56
+3.3V
R3
2.61kΩ
C5
4.7μF
300mA
+3.3V
GND
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