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LTC3828 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3828
Description  Dual 2-Phase Step-Down Controller with Tracking
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3828 Datasheet(HTML) 5 Page - Linear Technology

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LTC3828
3828f
5
TEMPERATURE (
°C)
–50
700
600
500
400
300
200
100
0
25
75
3828 G07
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
TEMPERATURE (
°C)
–50
25
75
–25
0
50
100
125
1.5
1.3
1.1
0.9
0.7
0.5
3828 G08
37
35
33
31
29
3828 G09
80
78
76
74
72
70
3828 G10
VOUT = 5V
5.1
5.0
4.9
4.8
4.7
3828 G11
LOAD CURRENT (A)
0
–0.2
–0.1
4
3828 G12
–0.3
–0.4
1
2
3
5
0
FCB = 0V
VIN = 15V
FIGURE 14
DUTY FACTOR (%)
0
50
75
3828 G13
25
0
20
40
100
60
80
PERCENT ON NOMINAL OUTPUT VOLTAGE (%)
0
0.75
3828 G14
0.25
0.5
1.0
80
70
60
50
40
30
20
10
0
COMM0N MODE VOLTAGE (V)
0
70
75
4
3828 G15
65
60
1
2
3
5
80
VPLLFLTR = 2.4V
VPLLFLTR = 1.2V
VPLLFLTR = 0V
Oscillator Frequency vs
Temperature
TRCKSS Current vs Temperature
Current Sense Pin Input Current vs
Temperature
TYPICAL PERFOR A CE CHARACTERISTICS
Maximum Current Sense
Threshold vs Temperature
Load Regulation
INTVCC Voltage vs Temperature
TA = 25°C unless otherwise noted.
Maximum Current Sense
Threshold vs Duty Factor
Maximum Current Sense
Threshold vs Percent of Nominal
Output Voltage (Foldback)
Maximum Current Sense
Threshold vs Sense Common
Mode Voltage



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