Performance characteristics, Ap3036b, A product line of diodes incorporated – Diodes AP3036B User Manual
Page 7

AP3036B
Document number: DS37004 Rev.
1 - 2
7 of 11
March 2014
© Diodes Incorporated
AP3036B
A Product Line of
Diodes Incorporated
N
E
W
P
R
O
D
U
C
T
0
20
40
60
80
100
0
5
10
15
20
25
30
L
ED
C
u
rre
n
t
(m
A)
Duty (%)
V
IN
=3.6V, 5 LEDs
PWM Frequency=0.5kHz
0
20
40
60
80
100
0
5
10
15
20
25
30
L
ED Cu
rre
n
t
(m
A)
Duty (%)
V
IN
=3.6V, 5 LEDs
PWM Frequency=100kHz
Performance Characteristics
(Cont. The WLED forward voltage (V
F
) is 3.45V at I
F
= 20mA, unless otherwise noted.)
LED Current vs. Duty LED Current vs. Duty
Powering On PWM Dimming
(V
IN
= 3.6V, V
CTRL
= 2.5V, I
LED
= 20mA, 5 LEDs)
(V
IN
= 3.6V, V
PWM
= 2.5V, f
PWM
= 0.5kHz,
Duty = 50%, 5 LEDs)
Time 40
s/div Time 10ms/div
Output Voltage Ripple PWM Dimming
(V
IN
= V
CTRL
= 3.6V, I
LED
= 20mA, 5 LEDs) (V
IN
= 3.6V, V
PWM
= 2.5V, f
PWM
= 100kHz,
Duty = 50%, 5 LEDs)
Time 1
s/div Time 10
s/div
V
IN
2V/div
V
SW
10V/div
V
OUT
10V/div
I
L
100mA/div
V
CTRL
2V/div
V
SW
10V/div
V
OUT
10V/div
I
LED
10mA/div
V
IN
2V/div
V
SW
10V/div
V
OUT
1
(AC)
100mV/div
I
L
100mA/div
V
IN
2V/div
V
SW
10V/div
V
OUT
10V/div
I
LED
10mA/div