DC/DC Converter

B_XT-1WR2 Series

2015.04.03-A/3

Page 3 of 5

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Physical Specifications

Casing Material

Epoxy resin (UL94-V0)

Dimensions

12.70*11.20*7.25 mm

Weight

1.6g(Typ.)

Cooling Method

Free convection

EMC Specifications

EMI

CE

CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit)

RE

CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit)

EMS

ESD

IEC/EN61000-4-2

Contact ±8KV perf. Criteria B

Product Characteristic Curve

3.3VDC output

-10%

80%

20%

10%

40%

60%

-5%

0

+5%

+10%

100%

Typ.

Min.

Max.

-15%

-7.5%

+1.0%

-15%

Tolerance Envelope Curve

Output Current Percentage(%)

(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

Fig. 1

120

100

80

60

40

20

0

-40

0

40

71

105

Ambient Temp.( )

℃

Safe Operating Area

Temperature Derating Curve

100

Fig. 2

B0505XT-1WR2

50

55

60

65

70

75

80

85

90

95

100

4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5

Input Voltage(V)

Efficiency Vs Input Voltage (Full Load)

B0505XT-1WR2

0

10

20

30

40

50

60

70

80

90

100

10

20

30

40

50

60

70

80

90 100

Output Current Percentage(%)

Efficiency Vs Output Load(Vin=5V)