LTC4269CDKD-2#TRPBF Linear Technology, LTC4269CDKD-2#TRPBF Datasheet - Page 2

• Manufacturer Part Number: LTC4269CDKD-2#TRPBF
• Description: IC PD/SYNC FORWARD CTRLR 32-DFN
• Manufacturer: Linear Technology
• Type: Power Over Ethernet (PoE)r

Specifications of LTC4269CDKD-2#TRPBF

• Applications: Power Interface Switch for Power Over Ethernet (PoE) Devices
• Voltage - Supply: 14 V ~ 16 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 32-DFN
• Current - Supply: 1.35mA
• Interface: IEEE 802.3af
• Controller Type: Powered Device Interface Controller (PD)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

absoluTe MaxiMuM raTings
LTC4269-2
(Notes 1, 2)
Pins with Respect to V
V
V
V
SHDN ....................................................... –0.3V to 100V
R
R
PWRGD Voltage (Note 3)
PWRGD, T2P Voltage ............................... –0.3V to 100V
PWRGD, T2P Sink Current .....................................10mA
Pins with Respect to GND
V
SYNC, SS_MAXDC, SD_V
I
COMP, BLANK, DELAY .............................. –0.3V to 3.5V
FB ................................................................ –0.3V to 3V
R
V
Operating Ambient Temperature Range
orDer inForMaTion
LEAD FREE FINISH
LTC4269CDKD-2#PBF
LTC4269IDKD-2#PBF
LEAD BASED FINISH
LTC4269CDKD-2
LTC4269IDKD-2
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
For more information on tape and reel specifications, go to:

SENSE
PORTP
NEG
NEG
CLASS
CLASS
IN
OSC
REF
Low Impedance Source .... V
Sink Current .........................................................5mA
LTC4269C-2 ............................................. 0°C to 70°C
LTC4269I-2 ..........................................–40°C to 85°C
(Note 4) ................................................ –0.3V to 25V
Source Current ..............................................10mA
Voltage ......................................... –0.3V to V
Pull-Up Current ..................................................1A
Current ........................................................ –50µA
, OC .................................................... –0.3V to 6V
, Voltage ........................................... –0.3V to 7V
Voltage ........................................ –0.3V to 100V
Source Current ..........................................50mA
TAPE AND REEL
LTC4269CDKD-2#TRPBF
LTC4269IDKD-2#TRPBF
TAPE AND REEL
LTC4269CDKD-2#TR
LTC4269IDKD-2#TR
PORTN
SEC
,
NEG
– 0.3V to V
http://www.linear.com/leadfree/
PART MARKING*
42692
42692
PART MARKING*
42692
42692
http://www.linear.com/tapeandreel/
NEG
PORTP
+ 11V
pin conFiguraTion
PACKAGE DESCRIPTION
32-Lead (7mm × 4mm) Plastic DFN
32-Lead (7mm × 4mm) Plastic DFN
PACKAGE DESCRIPTION
32-Lead (7mm × 4mm) Plastic DFN
32-Lead (7mm × 4mm) Plastic DFN
SS_MAXDC 13
SD_V
R
V
V
SYNC 12
R
COMP 9
PORTN
PORTN
SHDN 1
CLASS
V
GND 16
HEAT SINKING PLANE THAT IS CONNECTED TO GND
OSC
SEC
REF
T2P 2
EXPOSED PAD (PIN 33) MUST BE SOLDERED TO
FB 10
NC 4
NC 7
NC 8
T
11
14
15
32-LEAD (7mm 4mm) PLASTIC DFN
JMAX
3
5
6
= 125°C, θ
DKD PACKAGE
TOP VIEW
JA
33
= 34°C/W, θ
JC
= 2°C/W
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
TEMPERATURE RANGE
0°C to 70°C
–40°C to 85°C
32 V
31 NC
30 NC
29 PWRGD
28 PWRGD
27 V
26 V
25 NC
24 SOUT
23 V
22 OUT
21 PGND
20 DELAY
19 OC
18 I
17 BLANK
SENSE
PORTP
NEG
NEG
IN
42692fb