LTC4259ACGW Linear Technology, LTC4259ACGW Datasheet - Page 6
LTC4259ACGW
Manufacturer Part Number
LTC4259ACGW
Description
IC CTRLR POE QUAD AC DISC 36SSOP
Manufacturer
Linear Technology
Datasheet
1.LTC4259ACGW.pdf
(32 pages)
Specifications of LTC4259ACGW
Controller Type
Power over Ethernet Controller (POE)
Interface
I²C
Voltage - Supply
3 V ~ 4 V
Current - Supply
2.5mA
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
36-SSOP
Linear Misc Type
Negative Voltage
Family Name
LTC4259A
Operating Supply Voltage (min)
-48V
Operating Supply Voltage (max)
-57V
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
36
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC4259ACGW
Manufacturer:
LT/凌特
Quantity:
20 000
Company:
Part Number:
LTC4259ACGW#TR
Manufacturer:
LINEAR
Quantity:
45 308
Company:
Part Number:
LTC4259ACGW#TR
Manufacturer:
ROHM
Quantity:
4 942
Company:
Part Number:
LTC4259ACGW-1
Manufacturer:
LT
Quantity:
39 000
Company:
Part Number:
LTC4259ACGW-1
Manufacturer:
MURATA
Quantity:
3 942
Part Number:
LTC4259ACGW-1
Manufacturer:
LT
Quantity:
20 000
Part Number:
LTC4259ACGW-1#
Manufacturer:
LT
Quantity:
20 000
Part Number:
LTC4259ACGW-1#TRPBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LTC4259A
TEST TI I G
6
V
TO V
SENSE n
INT
EE
W U
Figure 4. DC Disconnect Timing
V
MIN
SDA
SCL
V
t
V
Figure 2. Detect, Class and Turn-On Timing in Auto or Semiauto Modes
VMIN
PORT n
GATE n
t
INT
V
1
SENSE n
t
2
V
0V
EE
INSERTED
TO V
t
t
DIS
3
PD
INT
EE
t
V
4
LIM
0V
4259A F04
Figure 3. Current Limit Timing
Figure 6. I
t
t
5
DETDLY
t
DET
t
r
t
CLSDLY
2
t
C Interface Timing
f
V
t
6
V
CLASS
CUT
t
PON
t
START
I
t
DETECT n
7
V
4259A F03
V
t
OSCIN
CLASS
, t
OUT n
INT
ICUT
V
T
Figure 5. AC Disconnect Timing
PORT
TURN ON
(AUTO MODE)
4259A F02
I
ACDMIN
PD REMOVED
t
DIS
4259A F06
t
8
4259A F05
4259afb