STLDC08 Datasheet, PDF (4/29 Pages) STMicroelectronics – Step-up controller for LED supply

Application diagram
1
Application diagram
STLDC08
Figure 1. Electric schematic optimized for 2 LEDs and I_LED = 200 mA
L1
D1
RF
BATTERY
C1
C3
EN/PWM
C4
U1
4
VCC
7
EN/PWM
3
2VCC
10
V5
C5
GND
8
9
DRV
6
SENSE
1
VOUT
2
PWMOUT
5
FB
EXP
11
C2
D3
M1
Rs
D2
C6
M2
Rfb
AM07845v1
Table 2. List of components
Reference
Manufacturer
C1
C2
C4
C3, C5, C6
L
M1,M2
D1
Rfb
Rs
RF
Murata
Murata
Murata
Murata
Coilcraft
STMicroelectronics
STMicroelectronics
Part number
GRM21BR60J475
GRM31CB31C106K
GRM188R70J103KA01B
GRM188R61C105K
LPS6235-103ML
STS5DNF20V
STPS2L30
Value
4.7 µF, 6.3 V
10 µF, 16 V
10 nF, 6.3 V
1 µF, 16 V
10 µH
0.47 Ω
0.047 Ω
0Ω
Size
0805
1206
0603
0603
6 mm x 6 mm
SO-8
SMA
0805
0805
0603
4/29
Doc ID 18476 Rev 1