MIC2289 Micrel Semiconductor, MIC2289 Datasheet - Page 8

• Manufacturer Part Number: MIC2289
• Description: 2mm 2mm White LED Driver with Internal Schottky Diode and OVP
• Manufacturer: Micrel Semiconductor

MIC2289
M9999-081104
Figure 6. 6-Series LED Circuit
6-Series LED Circuit without External Soft-Start
without External Soft-Start
TIME (100 s/div.)
L = 10 H
C
C
V
I
6 LEDs
OUT
IN
IN
OUT
= 1 F
= 3.6V
= 20mA
= 0.22 F
8
Figure 7. 6-Series LED Circuit
6-Series LED Circuit with External Soft-Start
with External Soft-Start
TIME (100 s/div.)
I
6 LEDs
C
R = 10k
L = 10 H
C
C
V
OUT
SS
IN
IN
OUT
August, 2004
= 1 F
= 3.6V
= 2200pF
= 20mA
= 0.22 F
Micrel