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PM6681A View Datasheet(PDF) - STMicroelectronics

Part Name
Description
MFG CO.
'PM6681A' PDF : 47 Pages View PDF
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PM6681A
2
Pin settings
2.1
Connections
Figure 2. Pin connection (top view)
Pin settings
SGND
COMP2
FSEL
EN2
SHDN
FB2
LDO
OUT2
32
31
30
29
28
27
26
25
1
24
SKIP
2
23
BOOT1
3
22
HGATE1
4
21
PM6681A
PHASE1
5
20
CSENSE1
6
19
VIN
7
18
LDO5
8
17
V5SW
9
10
11
12
13
14
15
16
2.2
Functions
Table 2.
Pin functions
Pin
Function
Signal ground. Reference for internal logic circuitry. It must be connected to
1
SGND
the signal ground plan of the power supply. The signal ground plan and the
power ground plan must be connected together in one point near the PGND
pin.
2
COMP2 DC voltage error compensation pin for the switching section 2
Frequency selection pin. It provides a selectable switching frequency,
3
FSEL
allowing three different values of switching frequencies for the switching
sections.
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