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LTC4267-3 数据表(PDF) 2 Page - Linear Technology

部件名 LTC4267-3
功能描述  Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
PDF  32 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC4267-3 数据表(HTML) 2 Page - Linear Technology

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LTC4267-3
2
42673f
VPORTN with Respect to VPORTP Voltage...0.3V to –100V
POUT, SIGDISA, PWRGD
Voltage..................... VPORTN + 100V to VPORTN –0.3V
PVCC to PGND Voltage (Note 2)
Low Impedance Source ........................... – 0.3V to 8V
Current Fed .......................................... 5mA into PVCC
RCLASS Voltage.................VPORTN + 7V to VPORTN – 0.3V
PWRGD Current.....................................................10mA
RCLASS Current.....................................................100mA
NGATE to PGND Voltage ...........................– 0.3V to PVCC
(Note 1)
ABSOLUTE
AXI U
RATI GS
PIN CONFIGURATION
16
15
14
13
12
11
10
9
17
1
2
3
4
5
6
7
8
VFB
PGND
SENSE
VPORTP
SIGDISA
PWRGD
POUT
NC
ITH/RUN
PGND
NGATE
PVCC
RCLASS
NC
VPORTN
NC
TOP VIEW
DHC PACKAGE
16-LEAD (5mm
× 3mm) PLASTIC DFN
TJMAX = 150°C, θJA = 43.5°C/W
EXPOSED PAD (PIN 17) MUST BE SOLDERED
TO ELECTRICALLY ISOLATED PCB HEAT SINK
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4267CDHC-3#PBF
LTC4267CDHC-3#TRPBF
4267-3
16-Lead (5mm
× 3mm) Plastic DFN
0°C to 70°C
LTC4267IDHC-3#PBF
LTC4267IDHC-3#TRPBF
4267-3
16-Lead (5mm
× 3mm) Plastic DFN
–40°C to 85°C
LTC4267CGN-3#PBF
LTC4267CGN-3#TRPBF
4267-3
16-Lead Narrow Plastic SSOP
0°C to 70°C
LTC4267IGN-3#PBF
LTC4267IGN-3#TRPBF
4267I-3
16-Lead Narrow Plastic SSOP
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4267CDHC-3
LTC4267CDHC-3#TR
4267-3
16-Lead (5mm
× 3mm) Plastic DFN
0°C to 70°C
LTC4267IDHC-3
LTC4267IDHC-3#TR
4267-3
16-Lead (5mm
× 3mm) Plastic DFN
–40°C to 85°C
LTC4267CGN-3
LTC4267CGN-3#TR
4267-3
16-Lead Narrow Plastic SSOP
0°C to 70°C
LTC4267IGN-3
LTC4267IGN-3#TR
4267-3
16-Lead Narrow Plastic SSOP
–40°C to 85°C
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: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
VFB, ITH/RUN to PGND Voltages................–0.3V to 3.5V
SENSE to PGND Voltage .............................. – 0.3V to 1V
NGATE Peak Output Current (<10μs) ..........................1A
Operating Ambient Temperature Range
LTC4267C-3 ............................................. 0°C to 70°C
LTC4267I-3 ..........................................– 40°C to 85°C
Junction Temperature ........................................... 150°C
Storage Temperature Range...................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
TOP VIEW
GN PACKAGE
16-LEAD NARROW PLASTIC SSOP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
PGND
ITH/RUN
NGATE
PVCC
RCLASS
NC
VPORTN
PGND
PGND
VFB
SENSE
VPORTP
SIGDISA
PWRGD
POUT
PGND
TJMAX = 150°C, θJA = 90°C/W



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