LTC4263
9
4263fe
BLOCK DIAGRAM
I
DET
SD
12
ENFCLS
13
LEGACY
SMAJ58A
TO PORT
MAGNETICS
2
MIDSPAN
3
V
DD48
11
5V REG
500k
500k
1k
0.47μF
0.1μF
CONTROL
HOT SWAP
V
DD5
14
R
LED
LED
1
PWRMGT
4
C
PM
R
PM
0.1μF
TO OTHER LTC4263s
BOLD LINES INDICATE HIGH CURRENT
V
SS
6
OSC
7
OUT
10
5
9
ACOUT
8
+
48V
–
+
5V
–
4263 BD
1A
V
DD5
INT5 EXT5
4
