VD - 10W 2:1 Regulated Single & Dual output

2

1. Operation between no-load and 10% load conditions will not damage the module, but it may not meet all specifications listed.

2. One load is 25% to 100% load, the other load is 100% load, the output voltage variable rate is within ±5%.

3. Measured with 20MHz bandwidth and 1.0uF ceramic capacitor.

4. Tested by minimal Vin and constant resistive load.

5. Tested by normal Vin and 25% load step change ( 75%-50%-25% of Io ).

6. Measured Input reflected ripple current with a simulated source inductance of 12uH.

7. Exceeding the absolute ratings of the unit could cause damage.

It is not allowed for continuous operating.

8. Input filter components (C1, L) are used to help meet conducted emissions requirement for the module.

These components should be mounted as close as possible to the module; and all leads should be minimized to decrease radiated noise.

9. An external filter capacitor is required if the module has to meet EN61000-4-5.

The filter capacitor RSG suggest: Nippon - chemi - con KY series, 220uF/100V.

+Vout

+Vin

L

C1

DC/DC

Converter

Load

-Vin

-Vout

MODEL SELECTION GUIDE

MODEL NUMBER

INPUT

Voltage Range

(RR4c)

INPUT Current

OUTPUT

Voltage

(RR4c

OUTPUT Current

EFFICIENCY

@FL(%)

Capacitor

Load(uF)

No-Load

(mA)

Full Load

(mA)

Min. load

(mA)

Full load

(mA)

RR4-1202S10A1

9-18

10

791

2.5

0

3000

81

2200

RR4-1203S10A1

9-18

10

1006

3.3

0

3000

84

2200

RR4-1205S10A1

9-18

10

992

5

0

2000

86

2200

RR4-1212S10A1

9-18

10

980

12

0

833

87

820

RR4-1215S10A1

9-18

10

958

15

0

667

89

470

RR4-1212D10A1

9-18

10

980

12

0

416

87

220

RR4-1215D10A1

9-18

10

969

15

0

333

88

150

RR4-2402S10A1

18-36

10

381

2.5

0

3000

84

2200

RR4-2403S10A1

18-36

10

497

3.3

0

3000

85

2200

RR4-2405S10A1

18-36

10

479

5

0

2000

89

2200

RR4-2412S10A1

18-36

10

485

12

0

833

88

820

RR4-2415S10A1

18-36

10

485

15

0

667

88

470

RR4-2412D10A1

18-36

10

485

12

0

416

88

220

RR4-2415D10A1

18-36

10

474

15

0

333

90

150

RR4-4802S10A1

36-75

10

191

2.5

0

3000

84

2200

RR4-4803S10A1

36-75

10

249

3.3

0

3000

85

2200

RR4-4805S10A1

36-75

10

242

5

0

2000

88

2200

RR4-4812S10A1

36-75

10

245

12

0

833

87

820

RR4-4815S10A1

36-75

10

242

15

0

667

88

470

RR4-4812D10A1

36-75

10

245

12

0

416

87

220

RR4-4815D10A1

36-75

10

245

15

0

333

87

150

C1

L

RR4-12XXXXX 100uF, 100V

12uH

RR4-24XXXXX 100uF, 100V

12uH

RR4-48XXXXX 100uF, 100V

12uH

PART NUMBER STRUCTURE

VD - 24 12

Series Name

10

Watt

Input Voltage Range

12 - 9 ~ 18 V

24 - 18 ~ 36 V

Output Type

48 - 36 ~ 75 V

S - Single output

D - Dual Output

Nominal Output Voltage

2R5 - 2.5V

3R3 - 3.3V

5 - 5V

12 - 12V

15 - 15V

S

Derating Curve

100%

75%

50%

S.O.A.

25%

-40

-20

0

20

40

60

120

AMBIENT TEMPERATURE(°

DC/DC-Converter

6.0W Regulated Single &

Dual Output

DC/DC-Converter

10.0W 2:1 Regulated

Single & Dual Output

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page2(4)

NOTE

RR4 -

XX

XX

S/D

XX

Power (W)

Input

Type

A

X

Code

internal

Isolation

(kVDC)