LT8610 데이터 시트보기 (PDF) - Linear Technology
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LT8610 Datasheet PDF : 22 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT8610
No Load Supply Current
5.0
4.5
VOUT = 3.3V
IN REGULATION
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 5 10 15 20 25 30 35 40 45
INPUT VOLTAGE (V)
8610 G10
Top FET Current Limit
5.0
4.5
30% DC
4.0
70% DC
3.5
3.0
2.5
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
8610 G14
No Load Supply Current
25
VOUT = 3.3V
VIN = 12V
20 IN REGULATION
15
10
5
0
–55 –25
5 35 65 95
TEMPERATURE (°C)
125 155
8610 G11
Bottom FET Current Limit
3.6
3.4
3.2
3.0
2.8
2.6
2.4
–55 –25 5
35 65
TEMPERATURE (°C)
95 125
8610 G15
Top FET Current Limit vs Duty Cycle
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
0
0.2
0.4
0.6
0.8 1.0
DUTY CYCLE
8610 G13
Switch Drop
250
SWITCH CURRENT = 1A
200
150
TOP SW
100
BOT SW
50
0
–55 –25
5 35 65 95
TEMPERATURE (°C)
125 155
8610 G40
Switch Drop
450
400
350
300
250
TOP SW
200
BOT SW
150
100
50
0
0 0.5 1 1.5 2 2.5 3
SWITCH CURRENT (A)
8610 G41
Minimum On-Time
80
ILOAD = 1A, VSYNC = 0V
75
ILOAD = 1A, VSYNC = 3V
70
ILOAD = 2.5A, VSYNC = 0V
ILOAD = 2.5A, VSYNC = 3V
65
60
55
50
45
40
35
30
–55 –25
5 35 65 95
TEMPERATURE (°C)
125 155
8610 G17
Minimum Off-Time
100
VIN = 3.3V
95 ILOAD = 0.5A
90
85
80
75
70
65
60
–50 –25
5 35 65 95
TEMPERATURE (°C)
125 155
8610 G18
For more information www.linear.com/LT8610
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