STBB3J Datasheet, PDF (4/25 Pages) STMicroelectronics – 2 A, high efficiency single inductor buck-boost DC-DC converter

Application schematic
1
Application schematic
STBB3J
Note:
Figure 1. Application schematic for adjustable output version
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Table 2. Typical external components
Component Manufacturer
Part number
Value
Size
C1,C2,C3, C4
C6, C7, C8,
C9
C5
L⁽¹⁾
R1
R2
Murata
TDK-EPC
GRM188R60J106ME84
C1608X5R1A106M
10 µF
Murata
TBD
TDK-EPC
C1608X7R1H104K
Coilcraft
XFL4020-152MEB
TDK-EPC
VLF403215MT-1R5N
Depending on the output voltage
Depending on the output voltage
100 nF
1.5 µH
0603
0603
4 x 3.2 x 1.5 mm
4 x 4 x 2 mm
0603
0603
1. Inductor used for the maximum power capability. Optimized choice can be made according to the
application conditions (see Section 8).
All the above components refer to a typical application. Operation of the device is not limited
to the choice of these external components.
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