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LTC1876 датащи(PDF) 6 Page - Linear Technology

номер детали LTC1876
подробное описание детали  High Efficiency, 2-Phase, Dual Synchronous Step-Down Switching Controller and Step-Up Regulator
PDF  36 Pages
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производитель  LINER [Linear Technology]
домашняя страница  http://www.linear.com
Logo LINER - Linear Technology

LTC1876 датащи(HTML) 6 Page - Linear Technology

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LTC1876
6
1876fa
TYPICAL PERFOR A CE CHARACTERISTICS
VRUN/SS (V)
0
0
20
40
60
80
12
3
4
1876 G10
56
VSENSE(CM) = 1.6V
COMMON MODE VOLTAGE (V)
0
72
76
80
4
1876 G11
68
64
60
1
2
3
5
VITH (V)
0
30
50
70
90
2
1876 G12
10
–10
20
40
60
80
0
–20
–30
0.5
1
1.5
2.5
LOAD CURRENT (A)
0
–0.2
–0.1
4
1876 G13
–0.3
–0.4
1
2
3
5
0.0
FCB = 0V
VIN = 15V
FIGURE 1
VRUN/SS (V)
0
0
0.5
1.0
1.5
2.0
2.5
1
23
4
1876 G14
56
VOSENSE = 0.7V
VSENSE COMMON MODE VOLTAGE (V)
0
0
1876 G15
–50
–100
24
50
100
6
TEMPERATURE (
°C)
–50
–25
70
74
80
0
50
75
1876 G16
72
78
76
25
100
125
TEMPERATURE (
°C)
–50
–25
0
0.2
0.6
0.8
1.0
75
100
50
1.8
1876 G18
0.4
0
25
125
1.2
1.4
1.6
Maximum Current Sense
Threshold vs VRUN/SS (Soft-Start)
Maximum Current Sense
Threshold vs Sense Common
Mode Voltage
Current Sense Threshold
vs ITH Voltage
Load Regulation (Controller)
VITH vs VRUN/SS
SENSE Pins Total Source Current
Maximum Current Sense
Threshold vs Temperature
Current Sense Pin Input Current
vs Temperature
RUN/SS Current vs Temperature
TEMPERATURE (
°C)
–50
–25
25
27
35
0
50
75
1876 G17
31
33
29
25
100
125
VOUT = 5V



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