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LTC4269-1 Datasheet(PDF) 7 Page - Linear Technology

Part # LTC4269-1
Description  IEEE 802.3at PD with Synchronous No-Opto Flyback Controller
Download  44 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4269-1 Datasheet(HTML) 7 Page - Linear Technology

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LTC4269-1
7
42691fc
TEMPERATURE (°C)
–50
15
25
42691 G10
12
10
–25
0
50
9
8
16
14
13
11
75
100
125
VCC(ON)
VCC(OFF)
TEMPERATURE (°C)
–50
200
250
300
25
75
42691 G11
150
100
–25
0
50
100
125
50
0
TEMPERATURE (°C)
–50
8
9
25
75
42691 G12
7
6
–25
0
50
100
125
5
4
3
10
DYNAMIC CURRENT CPG = 1nF,
CSG = 1nF, fOSC = 100kHz
STATIC PART CURRENT
VCC = 14V
TEMPERATURE (°C)
–50
90
92
96
98
100
110
104
0
50
75
42691 G13
94
106
108
102
–25
25
100
125
FB = 1.1V
SENSE = VSENSE
+
WITH VSENSE
– = 0V
TEMPERATURE (°C)
–50
215
25
42691 G14
200
190
–25
0
50
185
180
220
210
205
195
75
100
125
SENSE = VSENSE
+
WITH VSENSE
– = 0V
TEMPERATURE (°C)
–50
90
92
96
98
100
110
104
0
50
75
42691 G15
94
106
108
102
–25
25
100
125
COSC = 100pF
TEMPERATURE (°C)
–50
1.230
1.231
1.233
1.234
1.235
1.240
1.237
0
50
75
42691 G16
1.232
1.238
1.239
1.236
–25
25
100
125
TEMPERATURE (°C)
–50
200
250
300
25
75
42691 G17
150
100
–25
0
50
100
125
50
0
RCMP OPEN
TEMPERATURE (°C)
–50
1.03
25
42691 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
VCC(ON) and VCC(OFF)
vs Temperature
VCC Start-Up Current
vs Temperature
VCC Current vs Temperature
SENSE Voltage vs Temperature
SENSE Fault Voltage
vs Temperature
Oscillator Frequency
vs Temperature
VFB vs Temperature
Feedback Pin Input Bias
vs Temperature
VFB Reset vs Temperature


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