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LTC3862 Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3862
Description  Multi-Phase Current Mode Step-Up DC/DC Controller
Download  42 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3862 Datasheet(HTML) 7 Page - Linear Technology

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LTC3862
7
3862fc
For more information www.linear.com/LTC3862
Typical perForMance characTerisTics
Maximum Current Sense
Threshold vs Duty Cycle
RUN Threshold vs Temperature
RUN Threshold vs Input Voltage
RUN (Off) Source Current vs
Temperature
RUN Source Current vs
Input Voltage
DUTY CYCLE (%)
50
60
70
80
55
65
75
20
40
60
80
3862 G18
100
10
0
30
50
70
90
SLOPE = 0.625
SLOPE = 1.66
SLOPE = 1
TEMPERATURE (°C)
–50
1.10
1.15
1.20
1.25
1.30
–25
0
25
50
3862 G09
75
ON
OFF
100 125 150
INPUT VOLTAGE (V)
0
1.3
1.4
1.5
15
25
40
3862 G20
1.2
1.1
1.0
5
10
20
ON
OFF
30
35
RUN (On) Source Current vs
Temperature
TEMPERATURE (°C)
–50
–1.0
–0.9
–0.7
–0.6
–0.5
0
–0.3
0
50
75
3862 G21vv
–0.8
–0.2
–0.1
–0.4
–25
25
100 125 150
TEMPERATURE (°C)
–50
–4
–2
150
1344 G06
–6
–8
0
50
100
–25
25
75
125
0
–5
–3
–7
–1
INPUT VOLTAGE (V)
4
8
–3
–2
–1
28
3862 G23
–4
–5
12
16
20
32
24
36
–6
–7
0
Soft-Start Current vs
Soft-Start Voltage
Oscillator Frequency vs
Temperature
Soft-Start Current vs Temperature
TEMPERATURE (°C)
–50
–5.6
–5.5
–5.4
–5.3
–5.2
0
50
100
150
3862 G24
–5.1
–5.0
–25
25
75
125
SOFT-START VOLTAGE (V)
0
–6
–5
–4
–3
–2
1
2
3
4
3862 G25
–1
0
0.5
1.5
2.5
3.5
TEMPERATURE (°C)
–50
302
303
304
305
150
3862 G26
301
300
298
0
50
100
–25
25
75
125
299
307
306


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