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LT1786FCS 数据表(PDF) 4 Page - Linear Technology

部件名 LT1786FCS
功能描述  SMBus Programmable CCFL Switching Regulator
PDF  20 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1786FCS 数据表(HTML) 4 Page - Linear Technology

  LT1786FCS Datasheet HTML 1Page - Linear Technology LT1786FCS Datasheet HTML 2Page - Linear Technology LT1786FCS Datasheet HTML 3Page - Linear Technology LT1786FCS Datasheet HTML 4Page - Linear Technology LT1786FCS Datasheet HTML 5Page - Linear Technology LT1786FCS Datasheet HTML 6Page - Linear Technology LT1786FCS Datasheet HTML 7Page - Linear Technology LT1786FCS Datasheet HTML 8Page - Linear Technology LT1786FCS Datasheet HTML 9Page - Linear Technology Next Button
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LT1786F
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current
vs Temperature
TEMPERATURE (
°C)
–75
6
8
10
9
7
5
3
1
125
1786 G01
4
2
0
–25
– 50
0
50
100
150
25
75
175
TEMPERATURE (
°C)
60
8O
100
90
70
50
30
10
125
1786 G02
40
20
0
–25
– 55
– 5
50
100
150
25
75
VCC = 5V
SMBSUS = 0V
VCC = 3V
ISUS Current vs Temperature
SHDN Supply Current
vs Temperature
SHDN Input Bias Current
vs Temperature
SHDN Threshold Voltage
vs Temperature
TEMPERATURE (
°C)
0.6
0.8
1.0
1.2
1.1
0.9
0.7
–25
25
75
125
1786 G05
175
–50
–75
0
50
100
150
Frequency vs Temperature
Maximum Duty Cycle
vs Temperature
TEMPERATURE (
°C)
–75
87
91
95
93
89
85
81
77
125 150
1786 G07
83
79
75
–25 0
–50
25 50
75 100
175
ICCFL Summing Voltage
Load Regulation
ICCFL PROGRAMMING CURRENT (µA)
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
40
80
120
160
1786 G09
200
20
0
60
100
140
180
T = –55
°C
T = 25
°C
T = 125
°C
TEMPERATURE (
°C)
0.53
0.52
0.51
0.50
0.49
0.48
0.47
0.46
0.45
0.44
0.43
0.42
0.41
0.40
0.39
0.38
–25
25
75
125
1786 G08
175
–50
–75
0
50
100
150
ICCFL Summing Voltage
vs Temperature
TEMPERATURE (
°C)
0
2
4
6
5
3
1
–25
25
75
125
1786 G04
175
–50
–75
0
50
100
150
VCC = 5V
VCC = 3V
TEMPERATURE (
°C)
300
270
240
210
180
150
120
90
60
30
0
125
1786 G03
–25
– 55
– 5
50
100
150
25
75
VCC = 5V
SHDN = 0V
VCC = 3V
TEMPERATURE (
°C)
–75
220
240
125
1786 G06
200
180
160
–25
25
75
175
210
230
190
170
100
–50
0
50
150



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