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LT3430 Datasheet(PDF) 5 Page - Linear Technology

Part # LT3430
Description  High Voltage, 3A, 200kHz Step-Down Switching Regulator
PDF  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3430 Datasheet(HTML) 5 Page - Linear Technology

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5
LT3430
sn3430 3430is
TYPICAL PERFOR A CE CHARACTERISTICS
Minimum Input Voltage
with 5V Output
JUNCTION TEMPERATURE (
°C)
–50
50
100
3430 G10
0
25
75
230
220
210
200
190
180
170
–25
125
LOAD CURRENT (A)
0
3430 G11
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
7.5
7.0
6.5
6.0
5.5
5.0
MINIMUM INPUT
VOLTAGE TO START
MINIMUM INPUT
VOLTAGE TO RUN
SWITCH CURRENT (A)
0123
3430 G12
90
80
70
60
50
40
30
20
10
0
Switching Frequency
BOOST Pin Current
VC Pin Shutdown Threshold
JUNCTION TEMPERATURE (
°C)
–50
1.5
1.7
2.1
25
75
3430 G13
1.3
1.1
–25
0
50
100
125
0.9
0.7
1.9
Switch Voltage Drop
SWITCH CURRENT (A)
0123
3430 G14
450
400
350
300
250
200
150
100
50
0
TJ = 125°C
TJ = 25°C
TJ = –40°C
JUNCTION TEMPERATURE (
°C)
–50
400
500
600
25
75
3430 G15
300
200
–25
0
50
100
125
100
0
Switch Minimum ON Time
vs Temperature
JUNCTION TEMPERATURE (
°C)
–50
50
100
3430 G16
0
25
75
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
–25
125
Switch Peak Current Limit



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