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參數資料
| 型號： | LTC4274CUHF#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 2/28頁 |
| 文件大小： | 702K |
| 描述： | IC CONTROLLER POE 38-QFN |
| 標準包裝： | 52 |
| 類型： | 以太網供電 PSE 控制器（PoE） |
| 應用： | 供電設備（PSE） |
| 內部開關： | 無 |
| 電流限制： | 可調 |
| 電源電壓： | 3 V ~ 4.3 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 38-QFN |
| 供應商設備封裝： | 38-QFN（5x7）裸露焊盤 |
| 包裝： | 管件 |
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LTC4274
2
4274fd
ABSOLUTE MAXIMUM RATINGS
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4274CUHF#PBF
LTC4274CUHF#TRPBF
4274
38-Lead (5mm ?7mm) Plastic QFN
0癈 to 70癈
LTC4274IUHF#PBF
LTC4274IUHF#TRPBF
4274
38-Lead (5mm ?7mm) Plastic QFN
40癈 to 85癈
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping
container.
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/
13
14
15
16
TOP VIEW
V
EE
39
UHF PACKAGE
38-LEAD (5mm ?7mm) PLASTIC QFN
EXPOSED PAD IS V
EE
(PIN 39) MUST BE SOLDERED TO PCB
T
JMAX
= 125癈,
JA
= 34癈/W
17
18
19
38
37
36
35
34
33
32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
SDAOUT
NC
SDAIN
AD3
AD2
AD1
AD0
DNC
NC
DGND
NC
NC
GATE
SENSE
NC
NC
V
EE
V
EE
V
EE
NC
NC
V
EE
NC
NC
23
22
21
20
9
10
11
12
Supply Voltages (Note 1)
AGND V
EE
...........................................0.3V to 80V
DGND V
EE
...............................................0.3V to 80V
V
DD
DGND .............................................. 0.3V to 5.5V
Digital Pins
SCL, SDAIN, SDAOUT, INT, SHDN, MSD, ADn,
RESET, AUTO, MID ........... DGND 0.3V to V
DD
+ 0.3V
Analog Pins
GATE, SENSE, OUT ................V
EE
0.3V to V
EE
+ 80V
Operating Temperature Range
LTC4274C ................................................0癈 to 70癈
LTC4274I ..............................................40癈 to 85癈
Junction Temperature (Note 2) ............................. 125癈
Storage Temperature Range ..................65癈 to 150癈
Lead Temperature (Soldering, 10 sec) ...................300癈
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC4274IUHF#PBF | 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP 制造商:Linear Technology 功能描述:Bulk 制造商:Linear Technology 功能描述:IC POE IEEE 802.3AT 38-QFN 制造商:Linear Technology 功能描述:IC POE CNTRL 38QFN 制造商:Linear Technology 功能描述:IC, POE, CNTRL, 38QFN 制造商:Linear Technology 功能描述:IC, POE CONTROLLER, 3.6V, QFN-38; Input Voltage:3.6V; Supply Current:1.1mA; Digital IC Case Style:QFN; No. of Pins:38; Frequency:1MHz; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes |
| LTC4274IUHF#PBF | 制造商:Linear Technology 功能描述:IC POE CONTROLLER 3.6V QFN-38 |
| LTC4274IUHF#TRPBF | 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP |
| LTC42766C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad PoE/PoE/LTPoE PSE Controller |
| LTC4278 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:IEEE 802.3at PD with Synchronous No-Opto Flyback Controller and 12V Aux Support |
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