ltm8040 Linear Technology Corporation, ltm8040 Datasheet - Page 4

• Manufacturer Part Number: ltm8040
• Description: 36v, 1a ?module Led Driver
• Manufacturer: Linear Technology Corporation

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