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A_S-2WR2 & B_S-2WR2

2013.06.18- A/1

Page 3 of 5

EMC RECOMMENDED CIRCUIT

EMI Typical Recommended Circuit (CLASS B):

Vin

G ND

+Vo

-Vo

()

0V

EUT

L O AD

L DM

C0

Vin

G ND

(Figure1)

Recommended external circuit parameters:

Vin(V)

5/12/15/24

C0

4.7

µF /50V

EMI

LDM

6.8

µH

EMI TEST WAVEFORM (RECOMMENDED CIRCUIT FINGURE 1)

A0512S-2WR2

CE(Class B, Positive line)

A0512S-2WR2

CE(Class B , Negative line)

B2415S-2WR2

CE(Class B, Positive line)

B2415S-2WR2

CE(Class B , Negative line)

PRODUCT TYPICAL CURVE

Tolerance Envelope Curve

+10%

+5%

50

100

+2. 5%

-2.5%

-7.5%

Ra ted

Output

Voltage

O utp ut Curren t Perce nt(%)

Typical L

o ad Line

70

(Nom ina l Inpu t Vo lta ge)

120

100

80

60

40

20

0

-40

0

40

85 105120

Ambient Temp.()

℃

Tem pe rat ure De rat ing C urve

Safe Operating Area

(Figure2)

Efficiency VS Input Voltage curve

(Full Load)

50

55

60

65

70

75

80

85

90

95

100

Input Voltage(V)

B0505S-2WR2

Efficiency VS Output Load curve

(Vin=Vin-nominal)

0

10

20

30

40

50

60

70

80

90

100

10

20

30

40

50

60

70

80

90 100

Total Output Current (%)

B0505S-2WR2