The copyright and authority for the interpretation of the products are reserved by MORNSUN

Specifications subject to change without notice.

URB_LD-20W

2013.06.13-A/4

Page 1 of 3

URB_LD-20W SERIES

20W, ULTRA WIDE INPUT , ISOLATED & REGULATED

SINGLE OUTPUT DC-DC CONVERTER

RoHS

FEATURES

PRODUCT PROGRAM

Input

Output

Voltage (VDC)

Model

Nominal

Range

Max

(1)

Voltage

(VDC)

Rated

Current

(2)

(mA)

Efficiency

(Typ, %)

Capacitor

Load Max

(3)

(

µF)

URB2403LD-20W

3.3

5000

83

18700

URB2405LD-20W

5

4000

86

9600

URB2412LD-20W

12

1667

87

1600

URB2415LD-20W

15

1333

88

1000

URB2424LD-20W

24

9-36

40

24

834

88

500

URB4803LD-20W

3.3

5000

83

18700

URB4805LD-20W

5

4000

87

9600

URB4812LD-20W

12

1667

88

1600

URB4815LD-20W

15

1333

88

1000

URB4824LD-20W

48

18-75

80

24

834

88

500

Add suffix

“H” for heatsink mounted, for example URB2405LD-20WH.

COMMON SPECIFICATIONS

Item

Test conditions

Min.

Typ.

Max.

Units

Storage humidity

5

--

95

%

Operating temperature

-40

--

85

Storage temperature

-55

--

125

Maximum Case Temp. On working temperature

--

--

105

Lead temperature

1.5mm from case for 10 seconds

--

--

300

°C

Isolation voltage

Test for 1 minute and 1 mA max

1500

--

--

VDC

Isolation resistance

Test at 500VDC

1000

--

--

M

Ω

Isolation capacitance

100kHz/0.1V

--

1000

--

pF

Switching frequency

Nominal input, 100% load

--

400

--

kHz

MTBF

MIL-HDBK-217F

1000

--

--

k hours

Weight

--

28

--

g

Cooling

Free Air Convection

Case material

Aluminum Alloy

INPUT SPECIFICATIONS

Item

Test conditions

Min.

Typ.

Max.

Units

Models ON

--

--

9.0

Nominal input

(24V)

Models OFF

8.0

--

--

Models ON

--

--

17.8

Under voltage lockout

Nominal input

(48V)

Models OFF

16.0

--

--

VDC

Input filter

PI

Start-up time

--

10

--

ms

Models ON

3.5 -12VDC or open circuit

Models OFF

0-1.2VDC

Ctrl

(4)

Input current (models OFF)

--

--

1

mA

● 4:1 Ultra Wide Input Voltage Range

● 1.5kVDC Input/Output Isolation

● Short Circuit Protection

(Automatic Recovery)

● Operating Temperature: -40°C ~ +85°C

● Internal SMD Construction

● Metal Shielding Package

● Industry Standard Pinout

● MTBF>1,000,000 hours

● RoHS Compliance

APPLICATION

The URB_LD-20W series offer 20W of output,

with 4:1 ultra wide input voltage of 9-36VDC,

18-75VDC, and features 1500VDC isolation,

over current, over voltage and short-circuit

protection, as well as six sided metal shielding.

All models are particularly suited to industrial,

tele-communications, test equipments power.

MODEL SELECTION

URB2405LD-20W

Rated Power

Package Style

Output Voltage

Inp ut Vol tage

Product Series

MORNSUN Science & Technology Co.,Ltd.

Address: No. 5, Kehui St. 1, Kehui development

center, Science Ave., Guangzhou Science City,

Luogang district, Guangzhou,P.R.China.

Tel: 86-20-38601850

Fax:86-20-38601272

E-mail: info@mornsun.cn

Http://www.mornsun-power.com