Typical performance characteristics, Al8806q – Diodes AL8806Q User Manual
Page 4
AL8806Q
Document number: DS36905 Rev. 1 - 2
4 of 13
www.diodes.com
April 2014
© Diodes Incorporated
AL8806Q
Typical Performance Characteristics
(@T
A
= +25°C, unless otherwise specified.)
0
50
100
150
200
250
300
350
400
0
5
10
15
20
25
30
V (V)
Supply Current (not switching) vs. Input Current
IN
I (
µ
A
)
IN
V
= 0V
V
= V
T = 25 C
CTRL
SET
IN
A
°
0
100
200
300
400
500
600
700
800
900
0
1
2
3
4
5
V
(V)
Switching Frequency vs. V
CTR L
CT RL
V = 12V
1 LED
R
= 150m
T = 25°C
IN
SET
A
Ω
F
requ
e
nc
y (
kH
z)
L = 33µH
L = 68µH
L = 100µH
-60
-40
-20
0
20
40
60
80
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V
= V = 12V
T = 25 C
SET
IN
A
°
I (
µ
A
)
CT
RL
V
(V)
I
vs V
CTRL
CTRL
CTRL
0
0.5
1
1.5
2
2.5
3
0
5
10
15
20
25
30
CTRL
A
V
= Open
T = 25 C
SET
IN
V
= V
°
V (V)
V
vs. Input Voltage
(CTRL pin open circuit)
IN
CTRL
V (
V
)
CT
RL
2.48
2.49
2.50
2.51
2.52
-40
-15
10
35
60
85
110
Ambient Temperature (°C)
V
vs. Temperature
CTRL
V
= Open
V
= V
= 12V
CTRL
SET
IN
V (
V
)
CT
RL
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
T = 25°C
A
L =68µH
CTRL VOLTAGE (V)
LED Current vs. V
CTRL
LE
D
C
U
R
R
EN
T
(A
)
R
= 68m
SET
Ω
R
= 100m
SET
Ω
R
= 150m
SET
Ω