STM32L432KB Datasheet, PDF (59/149 Pages) STMicroelectronics – Batch acquisition mode

STM32L432KB STM3L432KC
Electrical characteristics
6.1.6
Power supply scheme
Figure 8. Power supply scheme
ϭ͘ϱϱʹϯ͘ϲs
9_''
Q[9''
Q[Q)
[—)
*3,2V
Q[966
ZĞŐƵůĂƚŽƌ
9_'',2
Khd
/E
ĂĐŬƵƉĐŝƌĐƵŝƚƌLJ
;>^͕Zd͕
ĂĐŬƵƉƌĞŐŝƐƚĞƌƐͿ
9_&25(
,2
ORJLF
<ĞƌŶĞůůŽŐŝĐ
;Wh͕ŝŐŝƚĂů
ΘDĞŵŽƌŝĞƐͿ
9_''$
9''$
9₅₍₎
ϭϬŶ&
—)
ϭϬϬŶ& —)
95()
95()
$'&V
'$&V
23$03V
&203V
Caution:
966$
06Y9
Each power supply pair (V_DD/V_SS, V_DDA/V_SSA etc.) must be decoupled with filtering ceramic
capacitors as shown above. These capacitors must be placed as close as possible to, or
below, the appropriate pins on the underside of the PCB to ensure the good functionality of
the device.
DocID028798 Rev 2
59/149
142