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零件编号
产品描述 (功能)
LT8302H 查看數據表(PDF) - Analog Devices
零件编号
产品描述 (功能)
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LT8302H
42VIN Micropower No-Opto Isolated Flyback Converter with 65V/3.6A Switch
Analog Devices
LT8302H Datasheet PDF : 26 Pages
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LT8302/LT8302-3
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C, unless otherwise noted.
Output Load and Line Regulation
5.20
5.15
5.10
5.05
5.00
4.95
4.90
4.85
4.80
0
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
0.5 1.0 1.5 2.0 2.5 3.0
LOAD CURRENT (A)
8302 G01
Boundary Mode Waveforms
Output Temperature Variation
5.3
FRONT PAGE APPLICATION
V
IN
= 12V
5.2
I
OUT
= 1A
5.1
R
TC
= 115k
5.0
R
TC
= OPEN
4.9
4.8
4.7
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
8302 G02
Discontinuous Mode Waveforms
Switching Frequency
vs Load Current
500
FRONT PAGE APPLICATION
400
300
200
100
0
0
V
IN
= 5V
V
IN
= 12V
V
IN
= 24V
0.5 1.0 1.5 2.0 2.5 3.0
LOAD CURRENT (A)
8302 G03
Burst Mode Waveforms
V
SW
20V/DIV
V
OUT
50mV/DIV
2µs/DIV
FRONT PAGE APPLICATION
V
IN
= 12V
I
OUT
= 2A
V
SW
20V/DIV
V
OUT
50mV/DIV
8302 G04
2µs/DIV
FRONT PAGE APPLICATION
V
IN
= 12V
I
OUT
= 0.5A
V
SW
20V/DIV
V
OUT
50mV/DIV
8302 G05
20µs/DIV
FRONT PAGE APPLICATION
V
IN
= 12V
I
OUT
= 10mA
8302 G06
V
IN
Shutdown Current
10
8
T
J
= 150°C
T
J
= 25°C
T
J
= –55°C
6
4
2
0
0
10
20
30
40
50
V
IN
(V)
8302 G07
V
IN
Quiescent Current,
Sleep Mode
140
130
T
J
= 150°C
120
110
T
J
= 25°C
100
T
J
= –55°C
90
80
0
10
20
30
40
50
V
IN
(V)
8302 G08
V
IN
Quiescent Current,
Active Mode
420
T
J
= 150°C
400
380
T
J
= 25°C
T
J
= –55°C
360
340
320
0
10
20
30
40
50
V
IN
(V)
8302 G09
Rev. G
4
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