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H_S-1W & G_S-1W

2015.04.27-B/4 Page 3 of 5

EMC RECOMMENDED CIRCUIT

EMI Typical Recommended Circuit（CLASS B）：

Vin

GND

+Vo

-Vo

(

)

0V

DC/DC

LOAD

LDM

C1

C2

Vin

GND

C3

(Figure1)

Recommended typical circuit parameters:

Input voltage (V)

5/12/15/24

EMI

C1, C2

4.7µF /50V

C3

Refer to the Cout in Fig.3

LDM

6.8µH

EMC TEST WAVEFORM (RECOMMENDED CIRCUIT FINGURE 1)

H0505S-1W CE(Positive line)

H0505S-1W CE(Negative, line)

PRODUCT TYPICAL CURVE

3.3VDC /5VDC output

-10%

80%

20%

10%

40%

60%

-5%

0

+5%

+10%

+15%

100%

Typ.

Min.

Max.

-7.5%

-2.5%

+2.5%

Tolerance Envelope Curve

Output Current Percent

(Nominal Input Voltage)

Other output

-10%

80%

20%

10%

40%

60%

-5%

0

+5%

+10%

+15%

100%

Typ.

Min.

Max.

-7.5%

-2.5%

+2.5%

Output Current Percent

(Nominal Input Voltage)

Tolerance Envelope Curve

120

100

80

60

40

20

0

-40

0

40

80 100 105

Ambient Temp.( )

℃

Safe Operating Area

Temperature Derating G raph

(Figure 2)