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LT1680ISW Scheda tecnica(PDF) 4 Page - Linear Technology

Il numero della parte LT1680ISW
Spiegazioni elettronici  High Power DC/DC Step-Up Controller
PDF  16 Pages
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Produttore elettronici  LINER [Linear Technology]
Homepage  http://www.linear.com
Logo LINER - Linear Technology

LT1680ISW Scheda tecnica(HTML) 4 Page - Linear Technology

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4
LT1680
TYPICAL PERFORMANCE CHARACTERISTICS
I12VIN Supply Current
vs Temperature
Gate Transition Time vs CGATE
12VIN SUPPLY VOLTAGE (V)
10
15
14
1680 G02
11
12
13
40
35
30
25
20
15
CG = 10nF
CG = 4.7nF
CG = 3.3nF
CG = 1nF
fO = 150kHz
TA = 25°C
I12VIN Supply Current
vs 12VIN Supply Voltage
5VREF Short-Circuit Current
vs Temperature
TEMPERATURE (
°C)
–50
60
55
50
45
40
35
30
25
75
1680 G04
–25
0
50
100
125
5VREF = 0V
I12VIN Shutdown Current
vs Temperature
TEMPERATURE (
°C)
–50
80
75
70
65
60
55
50
25
75
1680 G05
–25
0
50
100
125
VREF Voltage
vs Temperature
TEMPERATURE (
°C)
–50
1.252
1.251
1.250
1.249
1.248
1.247
1.246
25
75
1680 G06
–25
0
50
100
125
5VREF Voltage
vs Temperature
Error Amplifier Voltage Gain
vs Temperature
Error Amplifier Transconductance
vs Temperature
TEMPERATURE (
°C)
–50
5.01
5.00
4.99
4.98
25
75
1680 G07
–25
0
50
100
125
TEMPERATURE (
°C)
–50
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
25
75
1680 G08
–25
0
50
100
125
TEMPERATURE (
°C)
–50
2.6
2.4
2.2
2.0
1.8
1.6
1.4
25
75
1680 G09
–25
0
50
100
125
TEMPERATURE (
°C)
–50
100
1680 G01
050
19
18
17
16
15
14
13
12
11
–25
25
75
125
CGATE (pF)
0
30
50
70
90
110
tf
tr
130
150
TA = 25°C
2500
5000
7500
10000
1680 G03
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