DANUBE

http://www.danube.com.tw

2016/09/20

8

 TYPICAL PERFORMANCE CURVES

Specifications typical at Ta=25 °C, nominal input voltage, rated output current unless otherwise specified.

OUTPUT LOAD VS EFFICIENCY

TEMPERATURE DERATING

0.0

20.0

40.0

60.0

80.0

100.0

0

20

40

60

80

100

% OF RATED LOAD(%)

0

25

50

75

1 00

1 25

-40

0

5 5

7 5

10 0

TA(degree C)

PACKAGE "A"

PACKAGE "B"

 RECOMMENDED FILTER FOR EN55022 CLASS B

The components used in the above figure, together with the manufacturer’s part

numbers for these components, are as follows:

C1

C2

C3

C4

L1

FEW*-12*****

3.3uF/50V

1812 MLCC

3.3uF/50V

1812 MLCC

1000pF/2KV

MLCC

1000pF/2KV

MLCC

325uH

Common

Choke

FEW*-24*****

3.3uF/50V

1812 MLCC

N/A

1000pF/2KV

MLCC

1000pF/2KV

MLCC

325uH

Common

Choke

FEW*-48*****

1.5uF/100V

1812 MLCC

1.5uF/100V

1812 MLCC

1000pF/2KV

MLCC

1000pF/2KV

MLCC

325uH

Common

Choke

DC-DC CONVERTER

+ in

V

-Vin

+

ut

Vo

-Vout

C1

C4

Load

C2

C3

L1

F1

+Input

-Input

RECOMMENDED EN55022 CLASS B FILTER CIRCUIT LAYOUT