Diodes AP3606/AP3607 - Manual (Page 13)

Data Sheet
4/6 CHANNEL CHARGE PUMP CURRENT SINK FOR LED DRIVER AP3606/AP3607
Jan. 2013 Rev. 1. 5 BCD Semiconductor Manufacturing Limited
13
Typical Performance Characteristics (Continued)
T
A
=25ºC, C
IN
=C
1
=C
2
=C
OUT
=1 μ F, V
F
=3.2V, unless otherwise noted.
Figure 28. 1x Mode Dimming Operation Figure 29. 1x Mode Dimming Operation
( AP3606, V
IN
=5V, f
EN
=2kHz) (AP3607, V
IN
=5V, f
EN
=2kHz)
Figure 30. Output Ripple Figure 31. Output Ripple
(AP3606, V
IN
=3.3V, I
D
=80mA) (AP3607, V
IN
=3.3V, I
D
=120mA)
V
EN
2V/div
I
WLED
5mA/div
I
IN
20mA/div
V
OUT
50mV/div
V
C1+
2V/div
Time (2ms/div)
V
EN
2V/div
I
WLED
5mA/div
I
IN
20mA/div
V
IN
20mV/div
V
OUT
50mV/div
V
C1+
2V/div
Time (2ms/div)
Time (400ns/div) Time (400ns/div)
V
IN
20mV/div