MIC2873 Datasheet, PDF (21/24 Pages) Micrel Semiconductor – 1.2A High-Brightness Flash LED Driver with Single-Wire Serial Interface

Micrel, Inc.
Typical Application Schematic
L1 1µH
V_BAT
2.7V to 5.5V
GND
SINGLE-WIRE SERIAL I/F
FLASH ENABLE
C1
4.7µF
10V
VIN SW OUT
AGND
LGND
PGND
DC
FEN
LED
U1
MIC2873YCS
C2
4.7µF
10V
MIC2873
D1
FLASH
WHITE
LED
Bill of Materials
Item
C1, C2
Part Number
C1608X5R1A475K080AC
SPFCW04301BL
D1
LXCL-MN06-3002
L1
PIFE25201B-1R0MS-39
U1
MIC2873YCS
Notes:
7. TDK: www.tdk.com.
8. Samsung: www.samsung.com.
9. Philips: www.philipsluminleds.com.
10. Cyntec: www.cyntec.com.
11. Micrel, Inc.: www.micrel.com.
Manufacturer
TDK⁽7⁾
Samsung⁽8⁾
Philips⁽9⁾
Cyntec⁽10⁾
Micrel, Inc.⁽11⁾
Description
Capacitor 4.7 µF, 10V, 10%, X5R, 0603
High-Power Flash LED, 4.1mm × 3.9mm × 2.1mm,
220lux @ ILED = 1A
LUXEON Flash 6 Module, 4mm × 4mm × 2.2mm,
180lux @ ILED = 1A
Inductor 1µH, 3.55A, SMD, 2.5mm × 2.0mm × 1.2mm
1.2A High-Brightness Flash LED Driver with Single-Wire
Serial Interface
Qty.
2
1
1
1
July 17, 2014
21
Revision 1.0