Datasheet

STBB1-AXX Typical application
Doc ID 022197 Rev 2 7/22
Table 5. List of external components
(1)
Component Manufacturer Part number Value Size
CIN Murata GRM21BR71A106KE51L 10 µF 0805
COUT Murata GRM21BR60J226ME39L 22 µF 0805
L
TDK VLCF4020T-2R2N1R7
2.2 µH
4 x 4 x 2 mm
Coilcraft XFL4020-222ME 4 x 4 x 2 mm
R1 560 kΩ (V
O
= 3.3 V)
(2)
0402
R2 100 kΩ 0402
1. Above listed components refer to typical application. Operation of the STBB1-A is not limited to the choice of these external
components.
2. R1 and R2 are calculated according to the following formula:
R1 = R2 x (V
OUT
/V
FB
- 1)
Suggested value for R2 is 100 kΩ. In order to reduce the quiescent current a maximum value of 500 kΩ is possible.