AL5812MP-13 Diodes Inc., AL5812MP-13 Datasheet - Page 5
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AL5812MP-13
Manufacturer Part Number
AL5812MP-13
Description
LED Lighting Drivers 60V 150mA ADJ Linear LED Driver
Manufacturer
Diodes Inc.
Datasheet
1.AL5812FF-7.pdf
(12 pages)
Specifications of AL5812MP-13
Rohs
yes
Input Voltage
3.5 V to 60 V
Maximum Supply Current
500 uA
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
MSOP-8EP
Minimum Operating Temperature
- 40 C
Power Dissipation
366 mW
Typical Performance Characteristics
Notes:
AL5812
Document number: DS35616 Rev. 2 - 2
11. These curves have been limited at larger input voltages due to power dissipation.
12. Lower input voltage range is limited by the LED chain voltage
13. The AL5812 has its V
145
140
120
100
160
140
120
100
80
60
40
20
80
60
40
20
pin, which is connected to the anode of the LED chain. This creates a high side driver of the LED chain. See Figure 15.
0
0
0
0
Figure 3 LED Current vs. LED Pin Voltage (Note 11)
0
Figure 5 LED Current vs. Input Voltage - 2 LEDs
V
T = +25°C
LED
A
5
5
Figure 1 LED Current vs. Input Voltage
= 1.2V
10 15 20 25 30 35 40 45 50 55 60
5
10
R
SET
R
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
SET
15
10
= 4.99k
LED VOLTAGE (V)
CC
T = +25°C
2 LEDs
(Note 11 & 12)
= 12.4k
A
pin connected to its LED pin, which are connected to the positive input supply voltage. R
Ω
R
20
R
SET
SET
Ω
15
R
= 4.99k
SET
25
= 7.5k
= 4.99k
Ω
Ω
R
20
30
SET
Ω
R
R
SET
= 7.5k
R
SET
SET
35
= 7.5k
V
T = +25°C
= 12.4k
= 12.4k
Ω
IN
A
25
= 3.5V
40
Ω
Ω
Ω
45
30
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5 of 12
160
140
120
100
160
140
120
100
160
140
120
100
80
60
40
20
80
60
40
20
80
60
40
20
0
0
-40 -25 -10
0
0
0
Figure 4 LED Current vs. LED Pin Voltage Zoomed
Figure 2 LED Current vs. Ambient Temperature
V
V
LED
CC
2 LEDs - High Side Drive (Notes 11, 12 &13)
2
Figure 6 LED Current vs. Input Voltage
= 3.5V
= 1.2V
0.5
4
R
5
6
SET
R
TEMPERATURE (°C)
INPUT VOLTAGE (V)
SET
1.0
LED VOLTAGE (V)
20 35 50 65 80 95 110 125
= 12.4k
8
R
= 4.99k
SET
R
SET
10 12 14 16 18 20 22
Ω
= 4.99k
R
Ω
1.5
R
SET
SET
= 12.4k
SET
= 7.5k
is connected to AL5812 GND
Ω
= 7.5k
Ω
T = +25°C
V
2 LEDs
A
CC
Ω
2.0
R
Ω
R
SET
pin tied to LED pin
SET
R
= 4.99k
SET
= 7.5k
2.5
= 12.4k
V
T = +25°C
A
IN
Ω
Ω
© Diodes Incorporated
= 3.5V
December 2012
AL5812
Ω
3.0