E

E

E

E

E

E

E

-X

-X

-X

-X

-X

-X

D

D

D

D

D

D

2

2

2

2

2

2

W

W

W

W

W

W

&F

&F

&F

&F

&F

&F

-X

-X

-X

-X

-X

-X

D

D

D

D

D

D

2

2

2

2

2

2

W

W

W

W

W

W

eries

http://www.microdc.cn

Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646

Page 2 of 3

ISOLATION

ISOLATION

ISOLATION

ISOLATION

ISOLATION

ISOLATION

ISOLATION

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

Item

Test conditions

Min.

Typ.

Max.

Units

Isolation voltage

Tested for 1 minute and 1 mA max

3000

VDC

Isolation resistance

Test at 500VDC

1000

MΩ

TYPICAL

TYPICAL

TYPICAL

TYPICAL

TYPICAL

TYPICAL

TYPICAL

CHARACTERISTICS

CHARACTERISTICS

CHARACTERISTICS

CHARACTERISTICS

CHARACTERISTICS

CHARACTERISTICS

CHARACTERISTICS

APPLICATION

APPLICATION

APPLICATION

APPLICATION

APPLICATION

APPLICATION

APPLICATION

NOTE

NOTE

NOTE

NOTE

NOTE

NOTE

NOTE

Requirement

Requirement

Requirement

Requirement on

on

on

on output

output

output

output load

load

load

load

To

ensure

this

module can operate efficiently and reliably, During operation,

the minimum

output

load

is

not

less

than

10%

of

the

full

load,

and

that

this product

should

never be operated under no

load!

If

the actual output power

is very small, please connect a

resistor with proper resistance at the output

end in parallel to increase the load, or use our company ’ s products with a lower rated output power

(E_XD-1W/F_XD-1W Series).

Recommended

Recommended

Recommended

Recommended circuit

circuit

circuit

circuit

If

you want

to

further

decrease

the

input/output

ripple,

an

“LC” filtering network may be

connected to the input and output ends of the DC/DC converter, see (Figure 1).

It should also be noted

that

the

inductance

and

the

frequency

of

the“LC”filtering network

should

be

staggered with

the DC/DC

frequency

to

avoid mutual

interference. However,

the capacitance

of

the

output

filter

capacitor must

be

proper.

If

the

capacitance

is

too

big,

a startup

problem

might

arise.

For

every

channel

of

output,

provided

the

safe

and

reliable

operation is ensured,

the recommended capacitance of its filter capacitor sees (Table 1).

Output

Output

Output

Output Voltage

Voltage

Voltage

Voltage Regulation

Regulation

Regulation

Regulation and

and

and

and Over-voltage

Over-voltage

Over-voltage

Over-voltage Protection

Protection

Protection

Protection Circuit

Circuit

Circuit

Circuit

The simplest device for output voltage regulation, over-voltage and over-current protection is a

linear voltage

regulator with overheat protection

that

is connected

to

the

input or

output end in series (Figure 2).

Overload

Overload

Overload

Overload Protection

Protection

Protection

Protection

Under normal operating conditions,

the output circuit of

these products has no protection against

overload.

The

simplest method

is

to

connect

a

self-recovery

fuse

in

series

at

the input end or add a circuit

breaker to the circuit.

No

No

No

No parallel

parallel

parallel

parallel connection

connection

connection

connection or

or

or

or plug

plug

plug

plug and

and

and

and play

play

play

play

RECOMMENDED

RECOMMENDED

RECOMMENDED

RECOMMENDED

RECOMMENDED

RECOMMENDED

RECOMMENDED

CIRCUIT

CIRCUIT

CIRCUIT

CIRCUIT

CIRCUIT

CIRCUIT

CIRCUIT

Dual Output

(Figure 1)

Dual Output

(Figure 2)

EXTERNAL CAPACITOR TABLE (TABLE 1)

Vin

(VDC)

Cin

(uF)

Single

Vout

(VDC)

Cout

(uF)

Dual

Vout

(VDC)

Cout

(uF)

5

4.7

3.3/5

10

±5

4.7

12

2.2

9

4.7

±9

2.2

24

1

12

2.2

±12

1

-

-

15

1

±15

1

It’s

not

recommended

to

connect

any

external

capacitor

in

the

application

field

with

less

than

0.5 watt output.

OUTPUT

OUTPUT

OUTPUT

OUTPUT

OUTPUT

OUTPUT

OUTPUT

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

SPECIFICATIONS

Item

Test conditions

Min.

Typ.

Max.

Units

Output power

0.2

2

W

Line regulat ion

For Vin change of

±1%

(3.3V output)

±1.5

%

(Others output)

±1.2

%

Load regulation

10% to 100% load

(3.3V output)

12

20

%

(5V output)

10

15

%

(9V output)

8.3

10

%

(12V output)

6.8

10

%

(15V output)

6.3

10

%

Output voltage accuracy

See tolerance envelope graph

Temperature drift

100% full load

±0.03

%/°C

Ripple& Noise*

20MHz Bandwidth

75

150

mVp-p

Switching frequency

Full load, nominal input

70

KHz

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

Converter section, application notes.

Note: Dual output models unbalanced load: ±5%.