LT3473 Просмотр технического описания (PDF) - Linear Technology
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LT3473 Datasheet PDF : 12 Pages
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LT3473/LT3473A
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted.
Sleep Mode Quiescent Current
105
SHDN = 3V
VIN = 3V
100
95
90
–50
0
50
TEMPERATURE (°C)
100
3473 G04
Switch VCE(SAT)
450
400
350
300
250
200
150
100
50
0
0 200 400 600 800 1000 1200
SWITCH CURRENT (mA)
3473 G07
Schottky Forward Voltage
550
ID = 100mA
500
450
400
350
300
–50
0
50
TEMPERATURE (°C)
100
3473 G10
Sleep Mode Quiescent Current
(Not Switching)
102
100
SHDN = 3V
98
96
94
92
SHDN = 1.5V
90
88
0 2 4 6 8 10 12 14 16
INPUT VOLTAGE, VIN (V)
3473 G5
Switch Saturation Voltage
50
ISW = 100mA
49
48
47
46
45
44
43
42
–50
0
50
TEMPERATURE (°C)
100
3473 G08
Output Disconnect Voltage Drop
400
90°C
350
25°C
300
–45°C
250
200
150
100
50
0
0
20
40
60
80 100
COLLECTOR CURRENT (mA)
3473 G11
SHDN Pin Current
2.5
SHDN = 3V
VIN = 3V
2.0
1.5
1.0
0.5
0
–50
0
50
100
TEMPERATURE (°C)
3473 G06
Schottky I-V Characteristic
1000
900
800
700
600
500
400
300
200
100
0
0
200 400 600 800 1000
SCHOTTKY FORWARD DROP (mV)
3473 G09
Switching Frequency
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
5
10
15
INPUT VOLTAGE, VIN (V)
3473 G12
3473f
4
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