MIC2289C_07 Datasheet, PDF (8/9 Pages) Micrel Semiconductor – White LED Driver Internal Schottky Diode and OVP

Micrel, Inc.
6-Series LED Circuit without External Soft-Start
L = 10µH
C_IN = 1µF
C_OUT = 0.22µF
V_IN = 3.6V
I_OUT = 20mA
6 LEDs
TIME (100µs/dvi.)
Figure 5. 6-Series LED Circuit
without External Soft Start
MIC2289C
6-Series LED Circuit with External Soft-Start
L = 10µH
C_IN = 1µF
C_OUT = 0.22µF
V_IN = 3.6V
I_OUT = 20mA
6 LEDs
C_SS = 2200pF
TIME (100µs/dvi.)
Figure 6. 6-Series LED Circuit
with External Soft Start
August 2007
8
M9999-081507-B