LT3743FE(RevB) 데이터 시트보기 (PDF) - Linear Technology
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LT3743FE
(Rev.:RevB)
(Rev.:RevB)
Linear Technology
LT3743FE Datasheet PDF : 28 Pages
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LT3743
TYPICAL PERFORMANCE CHARACTERISTICS
Internal UVLO
5.0
4.5
4.0
3.5
3.0
–50
–15 20
55
90 125
TEMPERATURE (°C)
3743 G10
CBOOT-SW UVLO Voltage
3.00
2.75
2.50
2.25
2.00
1.75
1.50
–50
–15 20
55
90
125
TEMPERATURE (°C)
3743 G11
VCC_INT UVLO
4.00
3.75
3.50
3.25
3.00
2.75
2.50
–50
–15 20
55
90
125
TEMPERATURE (°C)
3743 G12
VCC_INT Load Reg at 12V
6.0
5.6
5.2
4.8
4.4
4.0
0
10 20 30 40 50 60
ILOAD (mA)
3743 G13
Regulated Current vs VFB
120
100
80
–50°C
60
125°C
40
20
0
800 850
900 950
VFB (mV)
1000 1050
3743 G14
Open-LED Threshold
1.5
1.4
1.3
1.2
1.1
1.0
–50
–15 20
55
90 125
TEMPERATURE (°C)
3743 G15
Open-LED Timeout
19
17
15
13
11
9
–50 –15 20
55
90 125
TEMPERATURE (°C)
3743 G16
6
Regulated Sense Voltage
60
50
40
30
20
10
0
0
0.5
1.0
1.5
2.0
VCTRL (V)
3743 G17
Common Mode Lockout
2.5
MEASURED VIN – VOUT
2.0
VIN = 6V
1.5
VIN = 36V
1.0
0.5
0
–50 –15
20
55
90 125
TEMPERATURE (°C)
3743 G18
3743fb
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