Diodes AP3064 - Manual (Page 9)

Preliminary Datasheet
Boost Type LED Driver with 4-Channel Current Source AP3064
Jul. 2012 Rev. 1. 5 BCD Semiconductor Manufacturing Limited
9
Typical Performance Characteristics
V
IN
=24V, V
EN
=V
DD
=5V, 13 LEDs in series, 4 strings in parallel, 120mA/string, T
A
=25°C, unless otherwise
specified.
Figure 4. Frequency vs. R
T
Figure 5. VCC Voltage vs. Input Voltage
Figure 6. V
CH
Regulation Voltage vs. Output Current Figure 7. V
LED
Regulation Voltage vs. Temperature
0 100 200 300 400 500 600 700
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
Fr
e
quency
(
k
Hz)
R
T
(k Ω )
4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34
3.6
3.8
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
VCC Volt
age(V)
Input Voltage(V)
C
VCC
=2.2 µ F
60 80 100 120 140 160 180 200 220
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.55
0.60
V
CH
Regulation Vo
lt
age (V
)
Output Current /CH (mA)
R
T
=100k
-50 -25 0 25 50 75 100 125 150
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
V
CH
Regulation V
o
lt
age
(V
)
Temperature ( o C)
V
IN
=24V, R
ISET
=10k