Datasheet

PARTS LIST
R
1
= 30KΩ C
1
, C
2
= 3300µF 63V
L
EYF (ROE
R
2
= 10KΩ C
3
, C
4
, C
5
, C
6
= 2.2µF
R
3
= 15KΩ C
7
= 390pF Film
R
4
= 16KΩ C
8
= 22nF MKT 1817 (ERO)
R
5
= 22Ω 0,5W
R
6
= 4K7 C
9
= 2.2nF KP1830
R
7
= 10Ω C
10
= 220nF MKT
R
8
= see tab. A C
11
= 2.2nF MP1830
R
9
= OPTION **C
12
, C
13
, C
14
= 220µF 40V
L
EKR
R
10
= 4K7 C
15
= 1µF Film
R
11
= 10Ω
D1 = MBR 1560CT (or 16A/60V or equivalent)
L1 = 40µH core 58071 MAGNETICS
27 TURNS Ø 1,3mm (AWG 16)
COGEMA 949178
* 2 capacitors in parallel to increase input RMS current capability
** 3 capacitors in parallel to reduce total output ESR
Table B
SUGGESTED BOOTSTRAP CAPACITORS
Operating Frequency Bootstrap Cap.c10
f = 20KHz ≥680nF
f = 50KHz ≥470nF
f = 100KHz ≥330nF
f = 200KHz ≥220nF
f = 500KHz ≥100nF
Figure 6a:
P.C. Board (components side) and Components Layout of Figure 5 (1:1 scale).
Table A
V
0
R
9
R
7
12V
15V
18V
24V
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
6.2kW
9.1kΩ
12kΩ
18kΩ
L4977A
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