參數(shù)資料
型號: LTC4268IDKD-1#PBF
廠商: Linear Technology
文件頁數(shù): 7/46頁
文件大?。?/td> 419K
描述: IC PD HIGH POWER W/CNTRL 32-DFN
產(chǎn)品培訓模塊: Power over Ethernet
標準包裝: 52
類型: 以太網(wǎng)供電開關(PoE)
應用: 遠程外設(工業(yè)控制,相機,數(shù)據(jù)訪問)
內(nèi)部開關:
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 32-WFDFN 裸露焊盤
供應商設備封裝: 32-DFN(7x4)裸露焊盤
包裝: 管件
42681fc
LTC4268-1
7
TEMPERATURE (癈)
50
15
25
42681 G10
12
10
25    0
50
9
8
16
14
13
11
75   100   125
V
CC(ON)
V
CC(OFF)
TEMPERATURE (癈)
50
200
250
300
25
75
42681 G11
150
100
25    0
50
100   125
50
0
TEMPERATURE (癈)
50
8
9
25
75
42681 G12
7
6
25    0
50
100   125
5
4
3
10
DYNAMIC CURRENT C
PG
 = 1nF ,
C
SG
 = 1nF , f
OSC
 = 100kHz
STATIC PART CURRENT
V
CC
 = 14V
TEMPERATURE (癈)
50
90
92
96
98
100
110
104
0
50
75
42681 G13
94
106
108
102
25
25
100
125
FB = 1.1V
SENSE = V
SENSE
+
 
WITH V
SENSE

 = 0V
TEMPERATURE (癈)
50
215
25
42681 G14
200
190
25    0
50
185
180
220
210
205
195
75   100   125
SENSE = V
SENSE
+
WITH V
SENSE

 = 0V
TEMPERATURE (癈)
50
90
92
96
98
100
110
104
0
50    75
42681 G15
94
106
108
102
25
25
100   125
C
OSC
 = 100pF
TEMPERATURE (癈)
50
1.230
1.231
1.233
1.234
1.235
1.240
1.237
0
50    75
42681 G16
1.232
1.238
1.239
1.236
25
25
100   125
TEMPERATURE (癈)
50
200
250
300
25
75
42681 G17
150
100
25    0
50
100   125
50
0
R
CMP
 OPEN
TEMPERATURE (癈)
50
1.03
25
42681 G18
1.00
0.98
25    0
50
0.97
0.96
1.04
1.02
1.01
0.99
75   100   125
Typical perForMance characTerisTics
V
CC(ON)
 and V
CC(OFF)
 
vs Temperature
V
CC
 Start-Up Current
vs Temperature
 
V
CC
 Current vs Temperature
 
SENSE Voltage vs Temperature
SENSE Fault Voltage
vs Temperature
Oscillator Frequency
vs Temperature
 
V
FB
 vs Temperature
Feedback Pin Input Bias
vs Temperature
 
V
FB
 Reset vs Temperature
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