LTM8040 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
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Fabricante
LTM8040 Datasheet PDF : 16 Pages
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LTM8040
TYPICAL PERFORMANCE CHARACTERISTICS
Minimum Running Voltage vs
Output Voltage 2.7V at 1A LEDs
14
12
10
8
6
4
1A LOAD
0.5A LOAD
0.1A LOAD
2
0
5
10
15
OUTPUT VOLTAGE
8040 G07
Minimum Start Voltage vs Load
3.3V at 1A LEDs
14
SINGLE LED
2 LEDs
12
3 LEDs
10
8
6
4
2
0
200 400 600 800 1000
ILOAD (mA)
8040 G10
BIAS Current vs Load Current
24VIN, Three 3.3V at 1A LEDs
20
VBIAS = 5V
18
VBIAS = 3.2V
16
VBIAS = 12V
14
12
10
8
6
4
2
0
0
200 400 600 800 1000
LOAD CURRENT (mA)
8040 G13
Minimum Running Voltage vs
Output Voltage 3.3V at 1A LEDs
14
12
10
8
6
4
1A LOAD
0.5A LOAD
0.1A LOAD
2
02
4
6
8 10 12
OUTPUT VOLTAGE
8040 G08
SHDN Current vs Voltage
60
50
40
30
20
10
0
0 5 10 15 20 25 30 35 40
SHUTDOWN VOLTAGE
8040 G11
Input Current vs Input Voltage
Output Short Circuited
120
100
80
60
40
20
0
0 5 10 15 20 25 30 35 40
INPUT VOLTAGE (V)
8040 G14
4
Minimum Start Voltage vs Load
2.7V at 1A LEDs
14
SINGLE LED
2 LEDs
12
3 LEDs
4 LEDs
10
8
6
4
2
0
200 400 600 800 1000
ILOAD (mA)
8040 G09
BIAS Current vs Load Current
12VIN, Single 2.7V at 1A LED
12
VBIAS = 5V
VBIAS = 3.2V
10
VBIAS = 12V
8
6
4
2
0
0
200 400 600 800 1000
LOAD CURRENT (mA)
8040 G12
Temp Rise vs Load 2.7V at 1A
LEDs, 12VIN
32
SINGLE LED
2 LEDs
27
3 LEDs
4 LEDs
22
17
12
7
2
0
200 400 600 800 1000
ILOAD (mA)
8040 G15
8040p
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