STEVAL-ISA175V1 Datasheet, PDF (3/5 Pages) STMicroelectronics – Meets STCOMET smart meter and power

STEVAL-ISA175V1
Vdc
Schematic diagrams
Figure 2: Dedicate DC-DC for 3V3 rail circuit schematic
IC3
PM6644
VIN
R16 ^EN
680 k
C15
TON
Vcc
REF3
REF
2.2uF
C16
2.2uF
C17
100 nF
SW
GND
BPY
EP
FB
L4
47uF
C18 R17
22pF ^11.5k
C19
10nF
R18
4.22k
C20
22uF
3V3
C21
1uF
GSPG2704161050SG
DocID029273 Rev 1
3/5