6M

D

Series

Series

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ISOLATION

SPECIFICATIONS

Item

Test Conditions

Min.

Typ.

Max.

Units

Isolation voltage

Tested for 1 minute and 1mA max

1500

VDC

Isolation resistance

Test at 500VDC

1000

MΩ

Isolation capacitance

Input/Output, 100KHz/1V

100

pF

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

APPLICATION

NOTE

1) Requirement On Output Load

In order to ensure the product operate efficiently and reliably, in addition to a max load (namely full load), a minimum

load is specified for this kind of DC/DC converter. Make sure the specified range of input voltage is not exceeded, the

minimum output load no less than 10% load.If the actual load is less than the specified minimum load, the output ripple may

increase sharply while its efficiency and reliability will reduce greatly. If the actual output power is very small, please add an

appropriate resistor as extra loading, or contact our company for other lower output power products.

2) Recommended Circuit

All the MD-XD Series have been tested according to the following recommended testing circuit before leaving factory.

This series should be tested under load (see Figure 1).

If you want to further decrease the input/output ripple,you can increase capacitance properly or choose capacitors with

low ESR. However, the capacitance should not be too high, or may cause start-up problem. If you want to use the products

in high EMI, please choose our metal packaged products. For every channel of output, provided the safe and reliable

operation is ensured, the greatest capacitance of its filter capacitor sees

(Table 1). General:

Cin:

5V,12V

100µF

24V&48V

22µF/10µF

Cout: 10µF/100mA

3) Input Current

While using unstable power source, please ensure the output voltage and ripple voltage do not exceed indexes of the

converter. The preceding power source must be able to provide for converter sufficient starting current Ip (Figure 2).

General: Ip≤1.4*Iin-max

4) No parallel connection or plug and play

TYPICAL

CHARACTERISTICS

RECOMMENDED

CIRCUIT

EXTERNAL CAPACITOR TABLE (TABLE 1)

Output

1)

Vout(VDC)

Cout(uF)

5

680

9

470

12

330

15

220

24

100

OUTPUT

SPECIFICATIONS

Item

Test Conditions

Min.

Typ.

Max.

Units

Output power

Refer to product program

0.6

6

W

Main output voltage accuracy

Refer to recommended circuit

±

1

±

3

%

Vice-output voltage accuracy

Refer to recommended circuit

±

3

±

5

Load regulation

From 10% to 100% load

±

0.5

±

1*

Line regulation

Input voltage from low to high

±

0.2

±

0.5

Temperature drift (Vout)

Refer to recommended circuit

±

0.03

%/℃

Ripple**

20MHz Bandwidth

20

50

mVp-p

Noise**

20MHz Bandwidth

75

150

Switching frequency

100% load, input voltage range

300

KHz

*Dual output models unbalanced load: ±5%.

**Test ripple and noise by “parallel cable”method. See detailed operation instructions at Testing of Power

Converter section, application notes.