WRA4805P-3W - MORNSUN Science& Technology Ltd.

Edition: Preliminary / Page 1 of 1

WRAP-3W Series

WIDE INPUT ISOLATED & REGULATED

3W OUTPUT

DUAL OUTPUT

MINIATURE DIP PACKAGE

FEATURES PRODUCT PROGRAM

Input Output

Voltage (VDC) Current (mA)

Part

Number

Nominal Range Max*

Voltage

(VDC) Max Min

Efficiency

(%, Typ)

Package

Style

WRA0505P-3W 5 4.5~9VDC 11 ±5 300 30 65 DIP

WRA0509P-3W 5 4.5~9VDC 11 ±9 165 16 67 DIP

WRA0512P-3W 5 4.5~9VDC 11 ±12 125 12 70 DIP

WRA0515P-3W 5 4.5~9VDC 11 ±15 100 10 72 DIP

WRA1205P-3W 12 9~18VDC 22 ±5 300 30 72 DIP

WRA1209P-3W 12 9~18VDC 22 ±9 165 16 73 DIP

WRA1212P-3W 12 9~18VDC 22 ±12 125 12 77 DIP

WRA1215P-3W 12 9~18VDC 22 ±15 100 10 79 DIP

● Wide (2:1) Input Range

● Efficiency to 82%

● Operating Temperature: -40°C~+85°C

● 1KVDC Isolation

● Dual Output

● UL94-V0 Package

● No Heat sink Required

● Industry Standard Pin out

● MTBF>1,000,000 hours

● Custom Service Available

WRA1505P-3W 15 12~24VDC 30 ±5 300 30 75 DIP

APPLICATIONS WRA1509P-3W 15 12~24VDC 30 ±9 165 16 79 DIP

WRA1512P-3W 15 12~24VDC 30 ±12 125 12 80 DIP

WRA1515P-3W 15 12~24VDC 30 ±15 100 10 81 DIP

WRA2405P-3W 24 18~36VDC 40 ±5 300 30 78 DIP

WRA2409P-3W 24 18~36VDC 40 ±9 165 16 80 DIP

WRA2412P-3W 24 18~36VDC 40 ±12 125 12 81 DIP

WRA2415P-3W 24 18~36VDC 40 ±15 100 10 82 DIP

WRA4805P-3W 48 36~72VDC 80 ±5 300 30 76 DIP

WRA4809P-3W 48 36~72VDC 80 ±9 165 16 81 DIP

WRA4812P-3W 48 36~72VDC 80 ±12 125 12 81 DIP

WRA4815P-3W 48 36~72VDC 80 ±15 100 10 82 DIP

ISOLATION SPECIFICATIONS

Item Test conditions Min Typ Max Units

Isolation voltage Flash tested for 60 seconds 1000 VDC

Isolation resistance Test at 500VDC 1000 MΩ

OUTPUT SPECIFICATIONS

Item Test conditions Min Typ Max Units

3W output power See below products program 0.3 3 W

Positive Voltage accuracy Refer to recommended circuit ±1 ±3

Negative Voltage accuracy Refer to recommended circuit ±3 ±5

Load regulation From 10% to 100% load ±0.1 ±0.2

Line regulation Input Voltage From Low to High ±0.2 ±0.5

Temperature drift (Vout) Refer to recommended circuit 0.03 %/°C

Ripple 20Hz-300KHz bandwidth 30 60

Noise DC-20MHz bandwidth 80 150 mVp-p

The WRAP-3W Series are specially

designed for applications where a wide

range input voltage power supplies are

isolated from the input power supply in a

distributed power supply system on a circuit

board.

These products apply to:

1) Where the voltage of the input power

supply is wide range (voltage range: 2:1);

2) Where isolation is necessary between

input and output

(isolation voltage =1000VDC);

3) Where the regulation of the output

voltage and the output ripple noise are

demanding.

These products don’t apply to:

1) Where the input voltage t is required to be

more than 2:1;

2) Where the isolation voltage between

input and output is required to be

>1000VDC;

3) The output load’s actual power

consumption is less than 1W, otherwise our

company’s WRAP-1W/0.5W series are

recommended.

MODEL SELECTION

WRA0505P-3W

Product Series

Input Voltage

Output Voltage

Package Style

Rated Power

100% load，nominal input voltage 80 200

Switching frequency 10% load，nominal input voltage 250 600 KHz

MORNSUN Science& Technology Lt d.

Address: 8th floor 8th building, Huangzhou

Industrial District, Guangzhou, China

Tel: 86-20-85571041

Fax: 86-20-85536272

Http://www.mornsun.cn/

Note:

1.All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless

otherwise specified.

2.See below recommended circuits for more details.

Edition: Preliminary / Page 2 of 2

COMMON SPECIFICATION

Output Short Circuit Protection Continuous

Temperature Rise at Full Load 30°C (TYP)

Cooling Free Air Convection

No-load Power Consumption 100mW (typical)

Operating Temperature Range -40°C~+85°C

Storage Temperature Range -55°C ~+125°C

Lead Temperature*** 300°C

(

1.5mm from case for 10 seconds

)

（Figure 1)

Vin

GN D

+Vo

-Vo

Vin

GND

-V o

Storage Humidity Range ≤ 95%

Case Material Plastic (UL94-V0)

MTBF >1,000,000 hours

***Lead Temperature 1.5mm from case for 10 seconds.

TYPICAL CHARECTERISTICS

FOOTPRINT DETAILS

23 91011

2322 16 1514

2,3

10,15

9,16

22,23

GND

+Vo

-Vo

Vin

Pin WRAP SeriesBottom View

OUTLINE DIMENSIONS & RECOMMENDED FOOTPRINT

23 91011

23 22 16 15 14

2 x 2.54

31.80

15.24

2.54

22.86

(Bottom View) (Side View)

20.30

9.45

0.50

4.00

supply and the rippled voltage do not exceed the

module standard. Input current of power supply

should afford the startup current of this kind of

DC/DC module. (See figure 2)

External Capacitor

Although this series of DC/DC converter can

work without external capacitor, in order to keep

an optimum performance, however, it needs

external capacitor. (See Table 1)

Requirement on Output Load

To ensure this module operate efficiently and

reliably, a minimum load is specified for this kind

of DC/DC converter in addition to a maximum

load (namely full load). During operation, make

sure the specified range of input voltage is not

exceeded, the minimum out put load is not less

than 10% Of the full load, and that this product

should never be operated under no

load!!! If the actual load is less below the

specified minimum load，the output ripple of this

type of DC/DC converter will increase drastically

and at the same time efficiency & reliability of

the circuit will decrease deeply .If the actual

output power from the load in your circuit is very

small，please connect a resistor with proper

resistance at the output end to in parallel to

increase the load, or use our company’s other

products with a lower rated output power.

The products cannot be used in

parallel and in plug and play.

External Capacitor Table(Table 1)

Vin Cin Cout

(0+70°C)

Cout

(-40+85°C)

12V

100uF

24V

48V

10uF

100uF

(electrolytic

capacitor)

47uF

(tantalum

capacitor)

Note: All Pins on a 2.54mm pitch; All Pin diameters are 0.50 mm(Tolerance:±0.25); All dimensions in

mm. The dimensions of the WRAP series are correspondent with the WRBP series.

APPLICATION NOTE

MORNSUN Science& Technology Lt d.

Recommended Circuit

All the WRA-3W Series have been tested according to the following recommended testing circuit

before leaving factory. This series should be tested under load. Never be tested under no load (See

Figure 1 & 2). 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.(See

table 1).If you want to use the products in high EMI, please choose our metal packaged products.

Input Current

When it is used in unregulated power supply，be sure that the fluctuating range of the power

Address: 8th Floor 8th Building, Huangzhou

Industrial District, Guangzhou, China

Tel :86-20-85571041

Fax:86-20-85536272

Http:// www.mornsun.cn/