LT3743IUFD-PBF(RevB) 查看數據表（PDF） - Linear Technology
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产品描述 (功能)
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LT3743IUFD-PBF
(Rev.:RevB)
(Rev.:RevB)
Linear Technology
LT3743IUFD-PBF Datasheet PDF : 28 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT3743
EN/UVLO Threshold (Falling)
1.70
1.64
1.58
–50°C
1.52
130°C
1.46
1.40
6
12
18
24
30
36
VIN (V)
3743 G01
EN/UVLO Pin Current
10
8
6
4
2
25°C
130°C
–50°C
0
6
12
18
24
30
36
VIN (V)
3743 G02
IQ in Shutdown
0.5
0.4
0.3
130°C
0.2
0.1
25°C
0
0
8
16
24
32
40
VIN (V)
3743 G03
Quiescent Current (Non-Switching)
2.0
1.6
1.2
0.8
0.4
0
6
TA = 25°C
TA = 130°C
TA = –50°C
12
18
24
30
36
VIN (V)
3743 G04
VREF Pin Voltage
2.02
2.01
2.00
VIN = 36V
1.99
VIN = 6V
1.98
1.97
–50
–15 20
55
90 125
TEMPERATURE (°C)
3743 G05
VREF Current Limit
1.6
1.4
TA = 25°C
TA = 130°C
1.2
TA = –50°C
1.0
0.8
6
12
18
24
30
36
VIN (V)
3743 G06
Oscillator Frequency
1.5
1.2MHz
1.2
900kHz
0.9
0.6
0.3
220kHz
0
–50 –15 20
55
90 125
TEMPERATURE (°C)
3743 G07
RT Pin Current Limit
90
80
70
60
50
40
–50
–15 20
55
90 125
TEMPERATURE (°C)
3743 G08
Soft-Start Pin Current
7
6
VIN = 36V
5
VIN = 6V
4
3
–50 –15 20
55
90 125
TEMPERATURE (°C)
3743 G09
3743fb
5
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