ltc4263cde-trpbf Linear Technology Corporation, ltc4263cde-trpbf Datasheet - Page 2

• Manufacturer Part Number: ltc4263cde-trpbf
• Description: Single Ieee 802.3af Compliant Pse Controller With Internal Switch
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LTC4263
Supply Voltages
Pin Voltages and Currents
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC4263CDE#PBF
LTC4263IDE#PBF
LTC4263CS#PBF
LTC4263IS#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
ELECTRICAL CHARACTERISTICS
SYMBOL
Power Supplies
V
V
V
2
temperature range, otherwise specifi cations are at T
relative to V
SUPPLY
UVLO_OFF
UVLO_HYS
V
V
LEGACY, MIDSPAN, ENFCLS, PWRMGT
SD, OSC .................................. V
LED ....................................... V
OUT, ACOUT ............................................ (See Note 3)
SS
DD5
– V
........................................ V
PARAMETER
48V Supply Voltage
UVLO Turn-Off Voltage
UVLO Hysteresis
DD48
SS
EXPOSED PAD (PIN 15) IS V
unless otherwise noted. (Notes 2, 5)
MIDSPAN
PWRMGT
........................................... 0.3V to –80V
LEGACY
T
JMAX
14-LEAD (4mm 3mm) PLASTIC DFN
OSC
LED
V
V
SS
SS
= 125°C, θ
TAPE AND REEL
LTC4263CDE#TRPBF
LTC4263IDE#TRPBF
LTC4263CS#TRPBF
LTC4263IS#TRPBF
1
2
3
4
5
6
7
DE14 PACKAGE
TOP VIEW
JA
= 43°C/W, θ
SS
15
, MUST BE SOLDERED TO PCB
SS
14
13
12
11
10
JA
SS
SS
9
8
= 4.3°C/W
– 0.3V to V
V
ENFCLS
SD
V
OUT
OUT
ACOUT
– 0.3V to V
– 0.3V to V
DD5
DD48
http://www.linear.com/leadfree/
PART MARKING*
4263
4263
4263CS
4263IS
http://www.linear.com/tapeandreel/
A
= 25°C. V
SS
SS
SS
CONDITIONS
V
To Maintain IEEE Compliant Output
V
+ 80V
DD48
DD48
The
+ 6V
+ 6V
– V
– V
l
DD48
(Notes 1, 2)
denotes the specifi cations which apply over the full operating
SS
SS
Decreasing
– V
Operating Ambient Temperature Range
Junction Temperature (Note 4) ............................. 125°C
Storage Temperature Range ................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
SS
SO ..................................................................... 300°C
LTC4263C ................................................ 0°C to 70°C
LTC4263I ............................................. –40°C to 85°C
PACKAGE DESCRIPTION
14-Lead (4mm × 3mm) Plastic DFN
14-Lead (4mm × 3mm) Plastic DFN
14-Lead Plastic SO
14-Lead Plastic SO
= 48V and V
MIDSPAN
PWRMGT
LEGACY
T
DD5
JMAX
OSC
LED
V
V
SS
SS
= 125°C, θ
not driven externally. All voltages are
1
2
3
4
5
6
7
14-LEAD PLASTIC SO
S PACKAGE
TOP VIEW
l
l
l
l
JA
= 90°C/W, θ
MIN
0.1
33
46
29
14
13
12
11
10
9
8
JA
= 37°C/W
V
ENFCLS
SD
V
OUT
OUT
ACOUT
DD5
DD48
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
0°C to 70°C
–40°C to 85°C
TYP
48
31
MAX
66
57
33
1
UNITS
4263fc
V
V
V
V