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VRA_D-5W&VRB_D-5W

C/1-2012 Page 2 of 5

INPUT SPECIFICATIONS

Item

Test Conditions

Min.

Typ.

Max.

Unit

Input Surge Voltage (1000 ms)

12VDC Input Models

-0.7

--

25

VDC

24VDC Input Models

-0.7

--

50

48VDC Input Models

-0.7

--

100

Start-up Voltage

12VDC Input Models

--

--

9

24VDC Input Models

--

--

18

48VDC Input Models

--

--

36

Under Voltage Shutdown

12VDC Input Models

--

--

9

24VDC Input Models

--

--

18

48VDC Input Models

--

--

36

Start-up Time

Nominal input& constant resistance load

--

300

--

ms

Short Circuit Input Power

--

0.5

--

W

No-load power consumption

--

500

--

mW

Input Filter

L Filter

OUTPUT SPECIFICATIONS

Item

Test Conditions

Min.

Typ.

Max.

Unit

Output Power

0.5

--

5

W

Positive voltage accuracy

Refer to recommended circuit

--

±1

±3

%

Negative voltage accuracy

--

±3

±5

Output Voltage Balance

Dual Output, Balanced Loads

--

±0.5

±1

Line Regulation

Full load, Input voltage from low to high

--

±0.2

±0.5

Load Regulation

10% to 100% load

--

±0.5

±2

Transient Recovery Time

25%~ 50%~25% load or

50%~75%~50% load step change

--

300

500

Transient Response Deviation

--

±3

±5

%

Temperature Drift

100% full load

--

±0.02

--

%/°C

Ripple*

20MHz Bandwidth

--

30

50

mVp-p

Noise*

--

100

150

Over Current Protection

Full input voltage

120

--

--

%

Short Circuit Protection

Continuous, automatic recovery

Note: 1.Dual output models unbalanced load: ±5%.

2.*Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section, application notes.

COMMON SPECIFICATIONS

Item

Test Conditions

Min.

Typ.

Max.

Unit

Isolation Voltage

Tested for 1 minute and leakage current less than 1 mA

1500

--

--

VDC

Isolation Resistance

Test at 500VDC

500

--

--

MΩ

Isolation Capacitance

Input/Output,100KHz/0.1V

--

1000

--

pF

Switching Frequency

Full load, nominal input

--

300

--

KHz

MTBF

MIL-HDBK-217F@25℃

1000

--

--

K hours

Case Material

Aluminous alloy

Weight

--

15

--

g

ENVIRONMENTAL SPECIFICATIONS

Item

Test Conditions

Min.

Typ.

Max.

Unit

Storage Humidity

Non condensing

5

--

95

%

Operating Temperature

Power derating (above 71℃)

-40

--

85

°C

Storage Temperature

-55

--

125

Temp. rise allowed at full load

Operating Temperature curve range

--

75

--

Lead Temperature

1.5mm from case for 10 seconds

--

--

300

Cooling

Free air convection