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.
VREF vs VIN
2.05
IREF = 0µA
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
0
20
40
60
VIN (V)
80
100
3796 G09
Switching Frequency vs
SS Voltage
450
400
350
300
250
200
150
100
50
0
0 200 400 600 800 1000 1200
SS VOLTAGE (mV)
3796 G11a
EN/UVLO Hysteresis Current vs
Temperature
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G14
RT vs Switching Frequency
100
10
1
0 100 200 300 400 500 600 700 800 900 1000
SWITCHING FREQUENCY (kHz)
3796 G10
Quiescent Current vs VIN
2.5
2.0
1.5
1.0
0.5
0
0
PWM = 0V
20
40
60
80
100
VIN (V)
3796 G12
EN/UVLO Falling/Rising
Threshold vs Temperature
1.28
1.27
1.26
1.25
EN/UVLO RISING THRESHOLD
1.24
1.23
1.22
EN/UVLO FALLING THRESHOLD
1.21
1.20
1.19
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G15
Switching Frequency vs
Temperature
440
RT = 19.6k
430
420
410
400
390
380
370
360
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G11
VISMON vs V(ISP-ISN)
2000
1800
1600
1400
1200
1000
800
600
400
200
0
0
100 200 300
V(ISP-ISN) (mV)
400 500
3796 G13
SENSE Current Limit Threshold vs
Temperature
118
117
116
115
114
113
112
111
110
109
108
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3796 G16
3796f
7
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