LTC4259ACGW Linear Technology, LTC4259ACGW Datasheet - Page 2

• Manufacturer Part Number: LTC4259ACGW
• Description: IC CTRLR POE QUAD AC DISC 36SSOP
• Manufacturer: Linear Technology

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

ABSOLUTE AXI U RATI GS
temperature range, otherwise specifications are at T
(Note 6).
LTC4259A
(Note 1)
Supply Voltages
Digital Pins
Analog Pins
Operating Ambient Temperature Range
Junction Temperature (Note 5) ............................ 150°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
ELECTRICAL CHARACTERISTICS
SYMBOL
Power Supplies
V
V
I
I
V
V
V
Detection
I
V
R
R
Classification
V
I
2
DD
EE
DET
CLASS
DD
EE
DDMIN
EEMINON
EEMINOFF
DET
CLASS
DETMIN
DETMAX
V
V
DGND to AGND (Note 2) .................................... ±1V
SCL, SDAIN, SDAOUT, INT, AUTO, RESET
SHDN n , AD n ................. DGND – 0.3V to DGND + 5V
GATE n (Note 3) ................... V
DETECT n Peak Currents (Note 4) .................. ±80mA
SENSE n ................................. V
OUT n .................................... V
OSCIN .......................... DGND – 0.3V to DGND + 5V
BYP Current .................................................... ±1mA
LTC4259AC ............................................. 0°C to 70°C
DD
EE
to AGND ......................................... 0.3V to – 70V
to DGND .......................................... – 0.3V to 5V
PARAMETER
V
V
V
V
V
V
V
Detection Current
Detection Voltage Compliance
Minimum Valid Signature Resistance
Maximum Valid Signature Resistance
Classification Voltage
Classification Current Compliance
DD
EE
DD
EE
DD
EE
EE
Supply Voltage
Supply Current
UVLO Voltage (Turning On)
UVLO Voltage (Turning Off)
Supply Voltage
Supply Current
UVLO Voltage
W
W W
EE
EE
EE
– 0.3V to V
– 70V to V
– 0.3V to V
CONDITIONS
To Maintain IEEE Compliant Output (Note 7)
Normal Operation
Classification Into a Short (V
V
V
First Point, V
Second Point, V
Open Circuit, Measured at DETECT n Pin
Into Short (V
0mA < I
EE
EE
– AGND
– AGND
U
A
CLASS
= 25°C. AGND = DGND = 0V, V
EE
EE
EE
DETECT n
DETECT
< 31mA
+ 12V
+ 70V
The
DETECT n
+ 1V
●
= 0V)
= –10V
denotes the specifications which apply over the full operating
= –3.5V
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
DETECT n
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
= 0V) (Note 8)
DETECT1
DETECT2
DETECT3
DETECT4
SDAOUT
SHDN1
SHDN2
RESET
SDAIN
DGND
BYP
SCL
AD3
AD2
AD1
AD0
V
INT
T
DD
JMAX
36-LEAD PLASTIC SSOP
10
11
12
13
14
15
16
17
18
DD
1
2
3
4
5
6
7
8
9
= 150°C, θ
GW PACKAGE
= 3.3V, V
TOP VIEW
http://www.linear.com/leadfree/
JA
= 80°C/W
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
EE
●
●
●
●
●
●
●
●
●
●
●
●
OSCIN
AUTO
OUT1
GATE1
SENSE1
OUT2
GATE2
SENSE2
V
OUT3
GATE3
SENSE3
OUT4
GATE4
SENSE4
AGND
SHDN4
SHDN3
= –48V unless otherwise noted
EE
–16.4
15.2
26.7
MIN
–48
235
145
55
3
U
TYP
–31
–28
–20
3.3
2.5
2.7
–2
17
29
LTC4259ACGW
ORDER PART
W
NUMBER
MAX
–57
100
300
190
–23
–21
–5
19
33
75
4
5
UNITS
4259afb
U
mA
mA
mA
mA
kΩ
kΩ
µA
µA
V
V
V
V
V
V
V