LT3504 Просмотр технического описания (PDF) - Linear Technology
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производитель
LT3504 Datasheet PDF : 24 Pages
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LT3504
Typical Performance Characteristics TA = 25°C, unless otherwise noted.
Input Voltage Undervoltage
Lockout
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3504 G10
VIN Pin Current
10
9
8
7
6
5
4
3
2
1
0
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
VEN/UVLO (V)
3504 G11
RUN/SS vs FB Voltage
900
800
700
600
500
400
300
200
100
0
0 200 400 600 800 1000 1200
RUN/SS VOLTAGE (mV)
3504 G13
Switch Voltage Drop
600
500
400
300
200
100
0
0
200 400 600 800 1000
SWITCH CURRENT (mA)
3504 G16
Soft Start Current
0
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
–1.4
–1.6
–1.8
–2.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3504 G14
Switch Voltage Drop,
ISW = 500mA
320
300
280
260
240
220
200
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3504 G17
For more information www.linear.com/LT3504
Input Quiescent Current
vs Input Voltage
40
35
30
25
20
15
10
5
ALL SS = 2V
ALL SS = 0V
0
0 5 10 15 20 25 30 35 40 45
INPUT VOLTAGE (V)
3504 G12
Switching Frequency
vs Temperature
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
3504 G15
Switch and Diode Current Limit
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
3504 G18
3504fa
5
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