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LT1248CS Datasheet(PDF) 4 Page - Linear Technology

No. de pieza LT1248CS
Descripción Electrónicos  Power Factor Controller
PDF  12 Pages
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Fabricante Electrónico  LINER [Linear Technology]
Página de inicio  http://www.linear.com
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LT1248CS Datasheet(HTML) 4 Page - Linear Technology

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4
LT1248
CC
HARA TERISTICS
A
TYPICALPERFOR
CE
Reference Voltage vs
Temperature
JUNCTION TEMPERATURE (
°C)
–75
75
7.536
7.524
7.512
7.500
7.488
7.476
7.464
7.452
7.440
7.428
1248 G03
–50
150
–25
0
25
50
100 125
IAC (µA)
0
300
150
0
1248 G04
250
500
VAOUT = 7V
VAOUT = 6.5V
VAOUT = 6V
VAOUT = 5.5V
VAOUT = 5V
VAOUT = 4.5V
VAOUT = 4V
VAOUT = 3.5V
VAOUT = 3V
VAOUT = 2.5V
SUPPLY VOLTAGE (V)
10
11
10
9
8
7
6
5
4
3
2
1
0
1248 G05
21
32
TJ = 25°C
TJ = 125°C
TJ = –55°C
Supply Current vs Supply Voltage
GTDR Source Current
SINK CURRENT (mA)
0
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1248 G07
300
TA = 125°C
TA = –55°C
60
120
180
240
TA = 25°C
FREQUENCY (Hz)
10
100
80
60
40
20
0
–20
100
1k
10k
100k
1148 G01
1M
10M
0
–20
–40
–60
–80
–100
–120
PHASE
GAIN
Voltage Amplifier Open-Loop
Gain and Phase
FREQUENCY (Hz)
10
100
80
60
40
20
0
–20
100
1k
10k
100k
1148 G02
1M
10M
0
–20
–40
–60
–80
–100
–120
PHASE
GAIN
Current Amplifier Open-Loop
Gain and Phase
Multiplier Current
SOURCE CURRENT (mA)
0
18.5
18.0
17.5
17.0
16.5
16.0
15.5
15.0
14.5
14.0
13.5
13.0
1248 G06
–300
TJ = 25°C
TJ = 125°C
VCC = 18V
TJ = –55°C
–60
–120
–180
–240
GTDR Sink Current



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