參數(shù)資料
型號(hào): LTC4268IDKD-1#PBF
廠商: Linear Technology
文件頁數(shù): 8/46頁
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
類型: 以太網(wǎng)供電開關(guān)(PoE)
應(yīng)用: 遠(yuǎn)程外設(shè)(工業(yè)控制,相機(jī),數(shù)據(jù)訪問)
內(nèi)部開關(guān):
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(yīng)商設(shè)備封裝: 32-DFN(7x4)裸露焊盤
包裝: 管件
LTC4268-1
8
42681fc
V
FB
 (V)
0.9
70
50
30
10
70
30
1
1.1
1.4
50
10
1.2    1.3
1.5
42681 G19
125癈
25癈
40癈
TEMPERATURE (癈)
50
60
65
70
25
75
42681 G20
55
50
25    0
50
100   125
45
40
SOURCE CURRENT
V
FB
 = 1.1V
SINK
CURRENT
V
FB
 = 1.4V
TEMPERATURE (癈)
50
900
950
1000
1050
1100
25    0
25    50
42681 G21
75   100   125
TEMPERATURE (癈)
50
1550
25
42681 G22
1400
1300
25    0
50
1250
1200
1150
1100
1600
1650
1700
1500
1450
1350
75   100   125
TEMPERATURE (癈)
50
1.240
1.245
1.250
25
75
42681 G23
1.235
1.230
25    0
50
100   125
1.225
1.220
TEMPERATURE (癈)
50
3.4
3.5
3.7
25
75
42681 G24
3.3
3.2
25    0
50
100   125
3.1
3.0
3.6
TEMPERATURE (癈)
50
23
25
42681 G25
20
18
25    0
50
17
16
15
22
21
19
75   100   125
CAPACITANCE (nF)
0
80
70
60
50
40
30
20
10
0
8
42681 G26
2
4
6
10
7
1
3
5
9
T
A
 = 25癈
FALL TIME
RISE TIME
Typical perForMance characTerisTics
Feedback Amplifier Output
Current vs V
FB
Feedback Amplifier Source and
Sink Current vs Temperature
Feedback Amplifier g
m
 
vs Temperature
Feedback Amplifier Voltage Gain
vs Temperature
 
UVLO vs Temperature
 
I
UVLO
 Hysteresis vs Temperature
Soft-Start Charge Current
vs Temperature
PG, SG Rise and Fall Times
vs Load Capacitance
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