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LTC4269-1 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC4269-1
Description  8-Port PoE/PoE PSE Controller
Download  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4269-1 Datasheet(HTML) 3 Page - Linear Technology

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LTC4290/LTC4271
3
429071f
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
MAX PWR TEMPERATURE RANGE
LTC4271IUF#PBF
LTC4271IUF#TRPBF
4271
24-Lead (4mm × 4mm) Plastic QFN
–40°C to 85°C
LTC4290BIUJ#PBF
LTC4290BIUJ#TRPBF
LTC4290BUJ
40-Lead (6mm × 6mm) Plastic QFN
25.5W
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
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/
LTC4290
LTC4271
12
11
13 14 15
TOP VIEW
41
VSSK
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19 20
39
40
38 37 36 35 34 33 32 31
23
24
25
26
27
28
29
30
8
7
6
5
4
3
2
1
VEE
GATE1
OUT1
GATE2
OUT2
CAP2
GATE3
OUT3
GATE4
OUT4
VEE
GATE8
OUT8
GATE7
OUT7
AGND
GATE6
OUT6
GATE5
OUT5
22
21
9
10
TJMAX = 125°C, θJC = 2°C/W
EXPOSED PAD (PIN 41) IS VSSK, MUST BE SOLDERED TO PCB
24 23 22 21 20 19
7
8
9
TOP VIEW
UF PACKAGE
24-LEAD (4mm
× 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
AD0
AD1
AD2
AD3
AD6
MID
SCL
SDAIN
SDAOUT
INT
RESET
DNC
25
DGND
TJMAX = 125°C, θJC = 4°C/W
EXPOSED PAD (PIN 25) IS DGND, MUST BE SOLDERED TO PCB


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