PM823 regulator equivalent, dual synchronous 1.5a/1.5a step-down buck regulator.
* Supports 2.7 V~5.5 V operating voltage
* Two 1.5 A synchronous buck converters
* Single LDO supports up to 525 mA
* Ultra low 15 µA sleep current
* .
It minimizes the PCB footprint and BOM cost. The PM823 12-bump WLCSP package provides the smallest footprint for the st.
3.1 Pin configuration 3.1.1 12-lead WLCSP configuration
Figure 4 shows PM823 12-lead WLCSP configuration diagram.
1
2
3
A
PGND2
SW2
PVIN
B
EN
DVS1
SW1
C
FB2
DVS0 / SDI
PGND1
D
FB1
VINLDO
VLDO
Figure 4. 1.26 mm x 1.545 mm WLCSP-12.
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