LT3795 查看數據表（PDF） - Linear Dimensions Semiconductor
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LT3795 Datasheet PDF : 28 Pages
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LT3795
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
ISP/ISN Overcurrent Protection
Threshold vs Temperature
380
378
376
374
372
370
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G06
VREF vs VIN
2.05
2.04
2.03
2.02
2.01
2.00
1.99
1.98
1.97
0
20 40 60 80
VIN (V)
100 120
3795 G09
Switching Frequency
vs SS Voltage
450 RT = 19.6k
400
350
300
250
200
150
100
50
0
0 200 400 600 800 1000 1200
SS VOLTAGE (mV)
3795 G11a
6
ISP/ISN Input Bias Current
vs VISP , VISN
900
800
ISP
700
600
500
400
300
200
100
0
0
ISN
20 40 60 80 100 120
VISP, VISN (V)
3795 G07
RT vs Switching Frequency (kHz)
100
10
1
0 100 200 300 400 500 600 700 800 900 1000
SWITCHING FREQUENCY (kHz)
3795 G10
VREF Voltage vs Temperature
2.05
2.04
2.03
IREF = 0µA
2.02
2.01
2.00
IREF = –100µA
1.99
1.98
1.97
1.96
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3795 G08
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)
3795 G11
Quiescent Current vs VIN
3.0
2.5
2.0
1.5
1.0
0.5
0
0 20 40 60 80 100 120
VIN (V)
3795 G12
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
3795 G13
3795f
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