LTC4263CDE#PBF Linear Technology, LTC4263CDE#PBF Datasheet - Page 6

• Manufacturer Part Number: LTC4263CDE#PBF
• Description: IC IEEE 803.2AF CNTRLR 14DFN
• Manufacturer: Linear Technology
• Type: Power Over Ethernet (PoE)r

Specifications of LTC4263CDE#PBF

• Applications: Power Interface Switch for Power Over Ethernet (PoE) Devices
• Voltage - Supply: 48V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 14-DFN
• Current - Supply: 1mA
• Interface: IEEE 802.3af
• Controller Type: Power Sourcing Equipment Controller (PSE)
• Operating Temperature (max): 70C
• Operating Temperature (min): 0C
• Pin Count: 14
• Mounting: Surface Mount
• Package Type: DFN EP
• Case Length: 4mm
• Screening Level: Commercial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LTC4263
TYPICAL PERFORMANCE CHARACTERISTICS
6
450
400
350
300
250
200
150
100
2.5
2.0
1.5
1.0
0.5
50
0
0
0
0
Current Limit and Foldback
I
Voltage with Internal V
DD48
T
A
5
= 25°C
10
DC Supply Current vs Supply
10 15 20 25
20
V
1.6
1.0
2.0
1.8
1.4
1.2
DD48
V
DD48
–40 –20
R
30
– V
ON
(V)
OUT
25k LOAD WITH
30 35 40 45
vs Temperature
AC ENABLED
40
NO LOAD
DD5
0
TEMPERATURE (°C)
50
20
4263 G03
4263 G07
50
60
40
60
1.2
1.0
0.8
0.6
0.4
0.2
4
3
2
1
0
0
80
0
0
4263 G16
LED Pin Pulldown
vs Load Current
I
Supply Voltage with V
DD48
T
INTERNAL V
T
A
A
100
= 25°C
= 25°C
10
DC Supply Current vs
10
I
LED
DD5
LOAD CURRENT (mA)
20
20
V
DD48
30
(V)
30
25k LOAD WITH
AC ENABLED
DD5
40
NO LOAD
= 5.0V
40
–20
–40
50
40
20
0
0
Legacy Pin Current vs Voltage
4263 G04
4263 G08
50
60
1
COMPLIANT MODE
FORCE POWER ON MODE
–1
–2
–3
80
70
60
50
40
30
20
10
V
2
1
0
2
0
LEGACY
4.0
0
Classifi cation Current Compliance
I
vs Supply Voltage
DD5
V
T
V
A
DD48
DD48
= 25°C
LEGACY MODE
(V)
DC Supply Current
3
– V
= 48V
4
4.5
SS
= 48V
V
4
DD48
8
4263 G17
V
– V
5.0
DD5
OUT
5
25k LOAD WITH
12
AC ENABLED
(V)
NO LOAD
5.5
16
4263 G05
4263 G09
4263fe
6.0
20