Datasheet

MAX17497A/MAX17497B
AC-DC and DC-DC Peak Current-Mode Converters
with Integrated Step-Down Regulator
27Maxim Integrated
Figure 10. MAX17497A Typical Application Example (e.g., Smart Meter)
C13 1µF/25V
INB
R22
10kI
V
CC
RESETN
RESETN
C16 10µF/6.3V
PGNDB
LXB
V
OUT3
3.3V, 0.6A
L2
15µH
PGNDF ININ
EP
RLIMF SSF
R11
30kI
C12
47nF
V
CC
SCOMPF V
CC
C4
2.2µF
EAFN
VOUT1
R17
49.9kI
R19
4.22kI
R18
442kI
R5
36.5kI
R6
10kI
EN/UVLO
OVI
R4
1.1MI
R3
1.1MI
R2
1.1MI
V
IN
R15
3MI
R14
3MI
3MI
R12
3MI
IN
C6 0.47µF /35V
R23 10kI
N2 FQT1N80TF
C7
2.2µF/50V
V
OUT1
Q1
D2
V
IN
R10
1.2MI
C3
100µF/
400V
C2
100µF/
400V
L1
1mH
R9
1.2MI
R8
1.2MI
C1
0.1µF/
1kV
D1
LINE
NEUTRAL
85V AC TO
265V AC
R7
1.2MI
R1
10I
OUTB V
OUT3
V
OUT1
LXF
D4
D3
D5
N1
C8
0.1µF/25V
C14 22µF/ 25V
C10 2.2nF/ 250V
R16 100kI/0.5W
R20 10I
T1
C15 OPEN
V
OUT1
IN
V
OUT1
12V, 0.3A
PGND
MAX17497A
COMPF
C11
330pF
C9
0.15µF