參數(shù)資料
型號(hào)： LTC4268IDKD-1#PBF
廠商： Linear Technology
文件頁(yè)數(shù)： 2/46頁(yè)
文件大?。?/td> 419K
描述： IC PD HIGH POWER W/CNTRL 32-DFN
產(chǎn)品培訓(xùn)模塊： Power over Ethernet
標(biāo)準(zhǔn)包裝： 52
類(lèi)型： 以太網(wǎng)供電開(kāi)關(guān)（PoE）
應(yīng)用： 遠(yuǎn)程外設(shè)（工業(yè)控制，相機(jī)，數(shù)據(jù)訪(fǎng)問(wèn)）
內(nèi)部開(kāi)關(guān)： 是
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 32-WFDFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝： 32-DFN（7x4）裸露焊盤(pán)
包裝： 管件
LTC4268-1
2
42681fc
pin conFiguraTion
absoluTe MaxiMuM raTings
V
PORTN
 Voltage .......................................... 0.3V to 90V
V
NEG
 Voltage ..................V
PORTN
 + 90V to V
PORTN
 0.3V
V
CC
 to GND Voltage (Note 3)
   Low Impedance Source ......................... 0.3V to 18V
   Current Fed ..........................................30mA into V
CC
R
CLASS
, I
LIM_EN
 Voltage ..V
PORTN
 + 7V to V
PORTN
  0.3V
SHDN Voltage ...............V
PORTN
 + 90V to V
PORTN
  0.3V
PWRGD Voltage (Note 3)
   Low Impedance Source ....V
NEG
 + 11V to V
NEG
  0.3V
   Current Fed ..........................................................5mA
PWRGD Voltage ............V
PORTN
 + 80V to V
PORTN
  0.3V
PWRGD Current .....................................................10mA
R
CLASS
 Current ....................................................100mA
SENSE

, SENSE
+
 Voltage ........................0.5V to +0.5V
UVLO, SYNC Voltage ...................................0.3V to V
CC
FB Current ..............................................................?mA
V
CMP
 Current .........................................................?mA
Operating Ambient Temperature Range (Notes 4, 5)
   LTC4268-1C .............................................0癈 to 70癈
   LTC4268-1I ..........................................40癈 to 85癈
Junction Temperature (Note 5) ............................. 150癈
Storage Temperature Range ..................65癈 to 150癈
(Notes 1, 2)
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
33
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
V
PORTP
NC
PWRGD
PWRGD
V
NEG
V
NEG
V
NEG
NC
PG
PGDLY
R
CMP
C
CMP
SENSE+
SENSE
UVLO
V
CMP
SHDN
NC
R
CLASS
I
LIM_EN
 V
PORTN
V
PORTN
V
PORTN
NC
SG
V
CC
t
ON
ENDLY
SYNC
SFST
OSC
FB
TOP VIEW
DKD32 PACKAGE
32-LEAD (7mm ?4mm) PLASTIC DFN
 
T
JMAX
 = 150癈,?/DIV>
JA
 = 49癈/W, ?/DIV>
JC
 = 4.7癈/W
EXPOSED PAD (PIN 33) MUST BE SOLDERED TO
HEAT SINKING PLANE THAT IS ELECTRICALLY CONNECTED TO GND
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4268CDKD-1#PBF
LTC4268IDKD-1#PBF
LTC4268CDKD-1#TRPBF
LTC4268IDKD-1#TRPBF
42681
42681
32-Lead (7mm ?4mm) Plastic DFN
32-Lead (7mm ?4mm) Plastic DFN
0癈 to 70癈
40癈 to 85癈
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC4268CDKD-1
LTC4268IDKD-1
LTC4268CDKD-1#TR
LTC4268IDKD-1#TR
42681
42681
32-Lead (7mm ?4mm) Plastic DFN
32-Lead (7mm ?4mm) Plastic DFN
0癈 to 70癈
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.
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/
orDer inForMaTion
相關(guān)PDF資料
PDF描述
LTC4274CUHF#PBF IC CONTROLLER POE 38-QFN
LTC4280CUFD#PBF IC CONTROLLER HOT SWAP QFN-24
LTC4300-1IMS8#TRPBF IC HOTSWAP 2WIRE BUS BUFFR 8MSOP
LTC4300A-2IMS8#TRPBF IC BUFFER BUS 2WR HOTSWAP 8-MSOP
LTC4301IDD IC BUFFER BUS HOTSWAP 2WR 8DFN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4268IDKD-1-TR 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:High Power PD with Synchronous NoOpto Flyback Controller
LTC4268IDKD-1-TRPBF 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:High Power PD with Synchronous NoOpto Flyback Controller
LTC4269-1 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:IEEE 802.3at PD with Synchronous No-Opto Flyback Controller
LTC4269-2 制造商:LINER 制造商全稱(chēng):Linear Technology 功能描述:IEEE 802.3at High Power PD and Synchronous Forward Controller with AUX Support
LTC4269CDKD-1#PBF 功能描述:IC PD/OPTO FLYBACK CTRLR 32-DFN RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類(lèi)型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫(xiě)一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*