LT3570 데이터 시트보기 (PDF) - Linear Technology
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LT3570 Datasheet PDF : 20 Pages
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LT3570
TYPICAL PERFORMANCE CHARACTERISTICS
SW2 Current Limit vs Duty Cycle
3.0
2.5
2.0
1.5
1.0
0.5
0
0
10 20
TJ = 125°C
TJ = 25°C
TJ = –40°C
30 40 50 60 70 80 90 100
DUTY CYCLE (%)
3570 G12
BOOST Pin Current
vs Switch Current
30
25
TJ = 25°C
20
TJ = –40°C
15
TJ = 125°C
10
5
0
0
0.2 0.4 0.6 0.8 1.0
CURRENT (A)
3570 G14
SW2 Saturation Voltage
vs SW2 Current
350
300
250
200
150
100
50
TJ = 125°C
TJ = 25°C
TJ = –40°C
0
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
CURRENT (A)
3570 G13
NPN_DRV Output Current vs VIN3
18
16
TJ = 25°C
14
TJ = 125°C
12
TJ = –40°C
10
8
6
4
2
0
1 5 10 15 20 25 30 35 40
VOLTAGE (V)
3570 G15
3570fb
6
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