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LTC1872 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC1872
Description  Wide Input Range, No RSENSE Current Mode Boost, Flyback and SEPIC Controller
PDF  36 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1872 Datasheet(HTML) 6 Page - Linear Technology

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LTC1871
6
1871fe
TYPICAL PERFORMANCE CHARACTERISTICS
RUN Thresholds vs VIN
RUN Thresholds vs Temperature
RT vs Frequency
Frequency vs Temperature
Maximum Sense Threshold
vs Temperature
SENSE Pin Current
vs Temperature
INTVCC Load Regulation
INTVCC Line Regulation
INTVCC Dropout Voltage
vs Current, Temperature
VIN (V)
0
1.2
1.3
1.4
10
20
30
40
1871 G10
1.5
TEMPERATURE (°C)
–50
1.30
1.35
150
1871 G11
1.25
1.20
0
50
100
–25
25
75
125
1.40
FREQUENCY (kHz)
100
300
1000
1871 G12
10
100
200
1000
900
800
700
600
500
400
0
TEMPERATURE (°C)
–50
275
280
290
295
300
325
310
0
50
75
1871 G13
285
315
320
305
–25
25
100 125
150
TEMPERATURE (°C)
–50
140
145
150
155
160
–25
0
25
50
1871 G14
75
100 125 150
TEMPERATURE (°C)
–50
25
30
35
0
50
75
1871 G15
–25
25
100 125
150
GATE HIGH
VSENSE = 0V
INTVCC LOAD (mA)
0
5.2
30
50
80
1871 G16
5.1
5.0
10
20
40
60
70
VIN = 7.5V
VIN (V)
0
5.1
5.2
5.3
10
20
30
40
1871 G17
5.4
515
25
35
INTVCC LOAD (mA)
0
0
50
150
200
250
500
350
5
10
1871 G18
100
400
450
300
15
20
150°C
75°C
125°C
25°C
–50°C
0°C



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