LT3796 查看數據表（PDF） - Linear Technology
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LT3796
Linear Technology
LT3796 Datasheet PDF : 32 Pages
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LT3796
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C, unless otherwise noted.
SENSE Current Limit Threshold vs
Duty Cycle
120
115
110
105
100
0
20
40
60
80 100
DUTY CYCLE (%)
3796 G17
INTVCC vs VIN
9
8
7
6
5
4
3
2
1
0
0
20
40
60
VIN (V)
80 100
3796 G20
V(CSP-CSN) Offset Voltage with
Different ICSOUT vs VS
2
1
ICSOUT = 100µA
ICSOUT = 50µA
0
ICSOUT = 10µA
–1
SEE NOTE 5 FOR TEST SETUP
–2
0
20
40
60
VS (V)
80 100
3796 G23
8
INTVCC Current Limit vs VIN
120
100
80
60
40
20
0
0
20
40
60
80
100
VIN (V)
3796 G18
INTVCC Dropout Voltage vs
Current, Temperature
1800
1600
1400
1200
1000
800
600
VIN = 6V
150°C
125°C
75°C
25°C
0°C
400
200
0
0
–40°C
–55°C
5
10
15
INTVCC LOAD (mA)
20
3796 G21
V(CSP-CSN) Offset Voltage vs
Temperature
0.6
0.4
ICSOUT = 100µA
0.2
ICSOUT = 50µA
0
ICSOUT = 10µA
–0.2
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G24
INTVCC Current Limit
vs Temperature
100
VIN = 24V
90
80
VIN = 48V
70
60
50
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G19
INTVCC vs Temperature
8.0
7.9
7.8
7.7
7.6
7.5
7.4
7.3
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G22
Current Sense Amplifier Gain
Error vs Temperature
2.0
1.5
ICSOUT = 100µA
1.0 ICSOUT = 10µA
0.5
0
ICSOUT = 50µA
–0.5
–1.0
–1.5
–2
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G25
3796f
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