Datasheet

LTC4267
28
4267fc
TYPICAL APPLICATIO S
U
Class 3 PD with 5V Nonisolated Power Supply
P
VCC
NGATE
PWRGD
SENSE
V
FB
I
TH
/RUN
V
PORTP
R
CLASS
SIGDISA
V
PORTN
LTC4267
45.3Ω
1%
100k
1µF
300µF**
•
•
COILTRONICS
CTX-02-15242
BAS516
UPS840
SMAJ58A
5V
1.8A
HD01
HD01
+
–
+
–
–48V
FROM
DATA PAIR
–48V
FROM
SPARE PAIR
4267 TA03
FDC2512
0.04Ω
1%
10k
220k
220Ω
42.2k
1%
27k
150pF
200V
9.1V
22nF
0.1µF
5µF*
MIN
PGND
P
OUT
MMBTA42
8.06k
1%
*1µF CERAMIC + 4.7µF TANTALUM
** THREE 100µF CERAMICS