Datasheet

4.5V to 40V Input Automotive
Flyback/Boost/SEPIC Power-Supply Controllers
Typical Operating Circuits
Figure 7. VFD Flyback Application Circuit
16
15
MAX15005A/B
EP
2
V
CC
OUT
ON/OFF
5
N.C.
6
RTCT
3
OVI
4
SLOPE
1
IN
R3
50Ω
REG5
V
ANODE
C3
1μF
16V
C2
0.1μF
50V
C1
330μF
50V
V
IN
(5.5V TO 16V)
REG5
N
R2
402kΩ
1%
14
PGND
C10
1μF
13
REG5
V
IN
12
CS
R5
1kΩ
C9
560pF
C6
4700pF
C7
47pF
R13
118kΩ
1%
R6
0.06Ω
1%
R14
1.3kΩ
1%
11
COMP
10
FB
9
SS
C8
0.1μF
C4
100pF
R19
10kΩ
R1
8.45kΩ
1%
C5
1200pF
7
SGND
8
JU1
1
2
SYNC
R17
100kΩ
1%
R18
47.5kΩ
1%
R11
182kΩ
1%
R12
12.1kΩ
1%
R8
100kΩ
D2
R7
510Ω
C12
220pF
C14
NU
V
ANODE
(110V/55mA)
FILAMENT+
(3V/650mA)
FILAMENT-
V
GRID
(60V/12mA)
R9
NU
R10
36kΩ
D2
R15
100Ω
D5
D4
D1
C16
330μF
6.3V
C13
10μF
200V
C15
22μF
60V
C17
2.2μF
10V
R16
10Ω
C18
4700pF
100V
C11
2200pF
100V
R2
560Ω
MAX15004A/B/MAX15005A/B
24
Maxim Integrated