Model Selection Guide

Model

Number

Input

Output

Capacitive

Load

(

µF, Max)

Efficiency

(%, Typ)

Fuse Rating

Slow-Blow

(mA)

Voltage

(VDC)

Current

(mA, Max)

Current

(mA, Min)

Nominal

Range

Full-Load No-Load

D201ERU

24

9.0 - 36.0

101

35

3.3

500.0

50.0

2,200

68

500

D202ERU

24

9.0 - 36.0

110

35

5.0

400.0

40.0

1,000

76

500

D203ERU

24

9.0 - 36.0

107

35

9.0

222.0

22.0

680

78

500

D204ERU

24

9.0 - 36.0

106

35

12.0

167.0

16.0

470

79

500

D205ERU

24

9.0 - 36.0

105

35

15.0

133.0

13.0

220

79

500

D206ERU

24

9.0 - 36.0

110

35

±5.0

±200.0

±20.0

±680

76

500

D207ERU

24

9.0 - 36.0

107

35

±9.0

±111.0

±11.0

±470

78

500

D208ERU

24

9.0 - 36.0

106

35

±12.0

±83.0

±8.0

±330

78

500

D209ERU

24

9.0 - 36.0

112

35

±15.0

±67.0

±7.0

±330

75

500

D211ERU

48

18.0 - 72.0

48

15

3.3

500.0

50.0

2,200

72

200

D212ERU

48

18.0 - 72.0

55

15

5.0

400.0

40.0

1,000

76

200

D213ERU

48

18.0 - 72.0

53

15

9.0

222.0

22.0

680

78

200

D214ERU

48

18.0 - 72.0

53

15

12.0

167.0

16.0

470

78

200

D215ERU

48

18.0 - 72.0

52

15

15.0

133.0

13.0

220

80

200

D216ERU

48

18.0 - 72.0

55

15

±5.0

±200.0

±20.0

±680

75

200

D217ERU

48

18.0 - 72.0

54

15

±9.0

±111.0

±11.0

±470

77

200

D218ERU

48

18.0 - 72.0

53

15

±12.0

±83.0

±8.0

±330

78

200

D219ERU

48

18.0 - 72.0

52

15

±15.0

±67.0

±7.0

±330

80

200

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Mechanical Dimensions

Notes:

1. When measuring output ripple, it is recommended that an external ceramic capacitor (approx. 1 µF to

10 µF) be placed from the +Vout pin to the -Vout pin for single output units and from each output to

common for dual output units.

2. These units should not be operated with a load under 10% of full load. Operation at no-load may cause

damage to the unit.

3. Connection to the control (remote on/off) input must be made as

shown in the typical connection diagram at right. This input is

between 5 - 10 mA with a maximum of 20 mA. Exceeding 20 mA

could cause damage to the unit. If not used, the pin should be left

open. Grounding the pin could damage the unit. The value for R1 can be

calculated by the formula at right.

4. These converters are specified for operation without

external components (except as noted above for the

control input). However, in some applications the addition

of input/output components will enhance stability and

reduce output ripple. Recommended capacitor values

are given in the table at right. Recommended inductor

values would be 4.7-120

µH for the input and 2.2-10 µH

for the output.

5. Dual output units may be connected to provide a 10V, 24V, or 30 VDC output. To do this, connect the

load across the +Vout and -Vout outputs and float the output common.

6. It is recommended that a fuse be used on the input of a power supply for protection. See the Model

Selection table above for the correct rating.

Vin

Input

Capacitor Vout

Output

Capacitor

24 VDC 10-100

µF 3.3 VDC 100 µF

48 VDC 10-100

µF 5 VDC

100

µF

9 VDC

100

µF

12 VDC

100

µF

15 VDC

100

µF

Min

Max

On

<0.6 VDC to Open Circuit

Off

2.7 VDC

15.0 VDC

Mechanical Notes:

in inches (mm)

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TEL: (781) 344-8226

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R

I

V

V1

C

CD

1

=

--

Pin

Single

Dual

1

-Vin

-Vin

2

+Vin

+Vin

3

Remote ON/OFF

6

+Vout

+Vout

7

NC

Common

8

NC

NC

9

-Vout

-Vout

NC = No Connection

Pin Connections

Derating Curve

Typical Connection