參數(shù)資料
型號(hào)： LTC4274CUHF#PBF
廠商： Linear Technology
文件頁數(shù)： 2/28頁
文件大小： 702K
描述： IC CONTROLLER POE 38-QFN
標(biāo)準(zhǔn)包裝： 52
類型： 以太網(wǎng)供電 PSE 控制器（PoE）
應(yīng)用： 供電設(shè)備（PSE）
內(nèi)部開關(guān)： 無
電流限制： 可調(diào)
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(yīng)商設(shè)備封裝： 38-QFN（5x7）裸露焊盤
包裝： 管件
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(guān)代理商/技術(shù)參數(shù)
參數(shù)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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