NCP81081
VCIN
PWM
ZCD_EN#
Logic
BOOT
GH
VIN
PHASE
VSWH
Anti ? Cross
Conduction
VCIN
PGND
DISB#
UVLO
THWN/THDN
THWN
Figure 2. Simplified Block Diagram
GL
VIN
11
40
PWM
VIN
VIN
VIN
VSWH
PGND
PGND
PGND
PGND
PGND
12
13
14
15
16
17
18
19
20
VIN
FLAG42
VSWH
FLAG43
CGND
FLAG41
39
38
37
36
35
34
33
32
31
DISB#
THWN
CGND
GL
VSWH
VSWH
VSWH
VSWH
VSWH
Figure 3. Pin Connections (Top View)
http://onsemi.com
2
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