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LT1339C Fiches technique(PDF) 5 Page - Linear Technology

No de pièce LT1339C
Description  High Power Synchronous DC/DC Controller
PDF  20 Pages
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Fabricant  LINER [Linear Technology]
Site Internet  http://www.linear.com
Logo LINER - Linear Technology

LT1339C Fiches technique(HTML) 5 Page - Linear Technology

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LT1339
TYPICAL PERFORMANCE CHARACTERISTICS
TEMPERATURE (
°C)
–50
9
8
7
6
25
75
1339 G10
–25
0
50
100
125
Soft Start Charge Current
vs Temperature
RUN/SHDN Threshold Hysteresis
vs Temperature
TEMPERATURE (
°C)
–50
26
25
24
23
22
21
20
25
75
1339 G12
–25
0
50
100
125
TEMPERATURE (
°C)
–50
1.26
1.25
1.24
1.23
1.22
1.21
1.20
25
75
1339 G11
–25
0
50
100
125
RUN/SHDN Rising Threshold
vs Temperature
BOTTOM GATE CAPACITANCE (pF)
1000
10000
1339 G13
2500
5000
7500
160
140
120
100
80
60
40
20
0
FALL TIME
RISE TIME
TA = 25°C
Bottom Gate Transition Times vs
Bottom Gate Capacitance
Top Gate Transition Times vs
Top Gate Capacitance
TOP GATE CAPACITANCE (pF)
1000
10000
1339 G14
2500
5000
7500
300
250
200
150
100
50
0
FALL TIME
RISE TIME
TA = 25°C
VSENSE(CM) (V)
0
45
60
1339 G15
1
2
3
160
150
140
130
120
110
100
90
80
UPPER LIMIT
FULL OPERATING
TEMPERATURE RANGE
TYPICAL
LOWER LIMIT
Average Current Limit Threshold
Sense Voltage Tolerance vs
Common Mode Voltage
12VIN Supply Current vs
Supply Voltage
12VIN SUPPLY VOLTAGE (V)
10
15
14
1339 G16
11
12
13
30
28
26
24
22
20
18
16
14
CBG = 1000pF
CBG = 3300pF
CBG = 4700pF
CBG = 10000pF
fO = 100kHz
TA = 25°C
Boost Supply Current vs
12VIN Supply Voltage
12VIN SUPPLY VOLTAGE (V)
10
15
14
1339 G17
11
12
13
18
16
14
12
10
8
6
4
2
CTG = 1000pF
CTG = 3300pF
CTG = 4700pF
CTG = 10000pF
fO = 100kHz
TA = 25°C



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