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LTC3829 Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3829
Description  3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3829 Datasheet(HTML) 7 Page - Linear Technology

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LTC3829

3829f
Typical perForMance characTerisTics
Current Sense Threshold
vs ITH Voltage
Maximum Current Sense Threshold
vs Common Mode Voltage
Maximum Current Sense Voltage
vs Duty Cycle
Maximum Current Sense Voltage
vs Feedback Voltage
(Current Foldback)
TK/SS Pull-Up Current
vs Temperature
Quiescent Current vs Input
Voltage without EXTVCC
INTVCC Line Regulation
INPUT VOLTAGE (V)
0
2.00
2.50
2.25
3.00
2.75
3.50
3.25
4.75
4.50
4.25
4.00
3.75
5.25
5
10
15
20
3829 G09
25
40
30
35
5.00
VITH (V)
0
–40
–20
0
20
40
60
80
0.5
1
1.5
2
3829 G10
ILIM = INTVCC
ILIM = FLOAT
ILIM = GND
VSENSE COMMON MODE VOLTAGE (V)
0
0
10
30
40
50
2
4
5
90
3829 G11
20
1
3
60
70
80
ILIM = INTVCC
ILIM = FLOAT
ILIM = GND
TEMPERATURE (°C)
–50
1.1
1.2
1.3
1.4
1.5
–25
0
25
50
3829 G14
75
100 125
INPUT VOLTAGE (V)
4
3.5
3.7
4.1
4.3
4.5
5.5
4.9
14
24
3829 G08
3.9
5.1
5.3
4.7
34
40
DUTY CYCLE (%)
0
60
80
100
80
3829 G12
40
20
50
70
90
30
10
0
20
10
40
30
60 70
90
50
100
ILIM = INTVCC
ILIM = FLOAT
ILIM = GND
FEEDBACK VOLTAGE (V)
0
60
80
100
0.4
0.5
3829 G13
40
20
50
70
90
30
10
0
0.1
0.2
0.3
0.6
ILIM = INTVCC
ILIM = FLOAT
ILIM = GND
Shutdown (RUN) Threshold
vs Temperature
TEMPERATURE (°C)
–50
1.0
1.1
1.2
1.3
ON
OFF
1.4
–25
0
25
50
3829 G15
75
100 125



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