MIC3289_0706 Datasheet, PDF (12/16 Pages) Micrel Semiconductor – 1.2MHz PWM White LED Driver with Internal Schottky Diode and True 1-Wire Digital Control

Micrel, Inc.
External Component Selection
The MIC3289 can be used across a wide range of
applications. The table below shows recommended
inductor and output capacitor values for applications
driving 3-6 LEDs in series assuming a 20mA maximum
drive current from Li-Ion battery source.
Series LEDs
3
4
5,6
L
22µH
10µH
4.7µH
22µH
10µH
4.7µH
22µH
10µH
4.7µH
Manufacturer
LQH43MN220K03 (Murata)
NLC453232T-220K (TDK)
LQH43MN100K03 (Murata)
NLCV32T-100K-PFR (TDK)
LQH43MN4R7K03 (Murata)
NLCV32T-4R7M-PFR (TDK)
LQH43MN220K03 (Murata)
NLC453232T-220K (TDK)
LQH43MN100K03 (Murata)
NLCV32T-100K-PFR (TDK)
LQH43MN4R7K03 (Murata)
NLCV32T-4R7M-PFR (TDK)
LQH43MN220K03 (Murata)
NLC453232T-220K (TDK)
LQH43MN100K03 (Murata)
NLCV32T-100K-PFR (TDK)
LQH43MN4R7K03 (Murata)
NLCV32T-4R7M-PFR (TDK)
MIC3289
Min COUT
2.2µF
0.33µF
0.22µF
1.0µF
0.33µF
0.27µF
0.33µF
0.27µF
Manufacturer
0603YD225MAT2A (AVX)
GRM188R61C225KE15D (Murata)
0603YD334MAT2A (AVX)
GRM188RT1C224KA01D (Murata)
06036ZD224MAT2A (AVX)
0805YD105MAT (AVX)
GRM188R61E105KA12D (Murata)
06033D334MAT2A (AVX)
GRM21BR71E334KA01L (Murata)
VJ0805Y274KXAAT (Vishay)
06033D334MAT2A (AVX)
GRM21BR71E334KA01L (Murata)
VJ0805Y274KXAAT (Vishay)
0.22µF
06036ZD224MAT2A (AVX)
June 2007
12
M9999-061807
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