LTC4266 LINER [Linear Technology], LTC4266 Datasheet - Page 10

• Manufacturer Part Number: LTC4266
• Description: Quad IEEE 802.3at Power over Ethernet Controller
• Manufacturer: LINER [Linear Technology]

LTC4266
TEST TIMING DIAGRAMS
10
V
SENSEn
MSD or
SHDNn
V
GATEn
TO V
Figure 4. Shut Down Delay Timing
INT
EE
Figure 2. Current Limit Timing
V
LIM
0V
t
t
SHDN
MSD
V
PORTn
INT
Figure 1. Detect, Class and Turn-On Timing in AUTO Pin or Semi-Auto Modes
4266 F04
V
CUT
V
OC
V
EE
0V
PD
CONNECTED
FORCED-CURRENT
t
START
4266 F02
, t
ICUT
t
DETDLY
SDA
SCL
t
DET
t
1
FORCED-
VOLTAGE
V
V
t
2
CLASS
MARK
t
CLE1
t
3
CLASSIFICATION
t
4
t
CLE2
t
ME1
V
t
TO V
SENSEn
t
PON
5
Figure 5. I
t
CLE3
INT
EE
t
r
t
ME2
Figure 3. DC Disconnect Timing
t
V
f
2
MIN
C Interface Timing
15.5V
20.5V
V
t
6
EE
4266 F01
t
MPS
t
7
t
DIS
4266 F03
4266fb
4266 F05
t
8