DC/DC Converter

B_(X)T-W2 Series

2014.05.22-B/2

Page 2 of 4

MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

Reflected Ripple Current

3.3V/5V input

--

20

--

mA

12V/24V input

--

5

--

Input Filter

Capacitor filter

Output Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Output Voltage Accuracy

See tolerance envelope graph (Fig. 1)

Line Regulation

Input voltage

change: ±1%

3.3V output

--

--

±1.5

--

Other output

--

--

±1.2

Load Regulation

10%-100% load

3.3V output

--

15

20

%

5V output

--

12

15

9V output

--

9

12V output

--

8

15V output

--

7

24V output

--

6

Ripple & Noise*

20MHz bandwidth

--

50

75

mVp-p

Temperature Drift Coefficient

100% load

--

--

±0.03

%/℃

Output Short Circuit Protection**

--

--

1

s

Note: * Ripple and noise tested with “parallel cable” method, please see

** Supply voltage must be discontinued at the end of short circuit duration.

General Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Isolation Voltage

Input-output, with the test time of 1 minute and the leak

current lower than 1mA

1000

--

--

VDC

Isolation Resistance

Input-output, isolation voltage 500VDC

1000

--

--

MΩ

Operating Temperature

Derating if the temperature ≥85℃, (see Fig. 2)

-40

--

85

℃

Storage Temperature

-55

--

125

Casing Temperature Rise

Ta=25℃

--

15

--

Pin Welding Resistance Temperature

Welding spot is 1.5mm away from the casing, 10 seconds

--

--

300

Reflow Soldering Temperature

Peak temp.≤245℃,maximum duration

time≤60s at 217℃.

For actual application, please refer to

IPC/JEDEC J-STD-020D.1.

Storage Humidity

Non-condensing

--

--

95

%

Switching Frequency

100% load, nominal input

voltage

24V input

--

500

--

KHz

Other input

--

110

--

MTBF

MIL-HDFK-217F@25℃

3500

--

--

K hours

Physical Specifications

Casing Material

Black flame-retardant heat-proof epoxy resin (UL94-V0)

Package Dimensions

12.70*11.20*6.25 mm

Weight

1.4 g (Typ.)

Cooling Method

Free air convection

Product Characteristic Curve

Tolerance Envelope Graph

+10%

+5%

50

100

+2.5%

-2.5%

-7.5%

Rated

Output Voltage

Output Current Percentage(%)

Typical Load

Curve

70

(Nominal Input Voltage)

Fig. 1

120

100

80

60

40

20

0

-40

0

40

85 105 120

Ambient Temperature( )

℃

Safe Operating Area

Temperatu re Derating Graph

Fig. 2