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LTC3872 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC3872
Description  No RSENSE Current Mode Boost DC/DC Controller
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3872 Datasheet(HTML) 4 Page - Linear Technology

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LTC3872
4
3872fa
DUTY CYCLE (%)
0
200
400
600
100
300
500
20
40
60
80
3278 G06
100
10
030
50
70
90
VIN (V)
2
8
10
12
8
3872 G04
6
4
4
3
5
7
9
610
2
0
14
TEMPERATURE (
°C)
–50
0
5
10
15
20
–25
0
25
50
3872 G05
75
100 125 150
CLOAD (pF)
0
60
80
100
8000
3872 G07
40
20
50
70
90
30
10
0
2000
4000
6000
10000
RISE TIME
FALL TIME
VIN (V)
0
0.90
0.92
0.94
6
10
3872 G08
0.88
0.86
0.84
24
8
0.96
0.98
1.00
12
RISING
FALLING
TEMPERATURE (
°C)
–50
0.8
0.9
1.0
25
75
150
3872 G09
0.7
0.6
0.5
–25
0
50
100 125
RISING
FALLING
TEMPERATURE (
°C)
–50
500
525
550
575
600
–5
0
25
50
3872 G10
75
100 125 150
TEMPERATURE (
°C)
0
100
200
300
50
150
250
–10
30
70
110
3872 G11
150
–30
–50
10
50
90
130
IPRG = VIN
IPRG = FLOAT
IPRG = GND
Shutdown IQ vs VIN
Shutdown IQ vs Temperature
Frequency vs Duty Cycle
Gate Drive Rise and Fall Time
vs CLOAD
RUN/SS Threshold vs VIN
RUN/SS Threshold vs
Temperature
Frequency vs Temperature
Maximum Sense Threshold
vs Temperature
TYPICAL PERFOR A CE CHARACTERISTICS T
A = 25°C unless otherwise noted.



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