Datasheet

Demonstration board STLDC08
22/29 Doc ID 18476 Rev 1
9 Demonstration board
Figure 21. Electrical schematic
J4
EN/PW M
1
2
3
TP1
VIN
1
TP2
SW
1
TP3
VOUT
1
TP4
SENSE
1
TP5
DRV
1
C1 C2
L1
C6
M1
C4
C5
C3
M2
RF
Rs
Rfb
D1
U1
VCC
4
EN/PW M
7
2VCC
3
GND
8
V5
10
FB
5
PWMOUT
2
VOUT
1
SENSE
6
DRV
9
EXP
11
J3
LED
1
2
J1
POWER IN
1
2
J2
GND
1
2
AM07900v1
Table 8. Bill of material optimized for 2 LEDs and I
LED
= 200 mA
Reference Manufacturer Part number Value Size
C1 Murata GRM21BR60J475 4.7 µF 6.3V 0805
C2 Murata GRM31CB31C106K 10 µF 16 V 1206
C4 Murata GRM188R70J103KA01B 10 nF, 6.3 V 0603
C3, C5, C6 Murata GRM188R61C105K 1 µF, 16 V 0603
L Coilcraft LPS6235-103ML 10µH 6 mm x 6 mm
M1,M2 STMicroelectronics STS5DNF20V SO-8
D1 STMicroelectronics STPS2L30 SMA
Rfb 0.47 Ω 0805
Rs 0.047 Ω 0805
RF 0 Ω