www.recom-power.com

REV.: 2/2023

ECO-2

DC/DC Converter

R2M

Series

BASIC CHARACTERISTICS

Parameter

Condition

Min.

Typ.

Max.

Quiescent Current

nom. VIN= 12VDC

40mA

nom. VIN= 24VDC

20mA

nom. VIN= 48VDC

15mA

Start-up time

power up, CTRL ON/OFF

10ms

20ms

ON/OFF CTRL (5)

DC-DC ON

open or high impedance

DC-DC OFF

2mA

3mA

4mA

Standby Current

DC-DC OFF

2.5mA

Internal Operating Frequency

100kHz

Output Ripple and Noise

20MHz BW

50mVp-p

Reflected Back Ripple Current

with external

components

nom. VIN= 12VDC

30mAp-p

nom. VIN= 24VDC

30mAp-p

nom. VIN= 48VDC

20mAp-p

continued on next page

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)

Efficiency vs. Load

R2M-2405S/SMD

Power Dissipation vs. Load

0

10

20

30

40

50

60

70

80

90

100

100

80

60

40

90

70

50

30

20

10

0

Output Load [%]

18Vin

24Vin

36Vin

0.5

0.3

0.7

0.6

0.4

0.1

0.2

0

0

10

20

30

40

50

60

70

80

90

100

Output Load [%]

18Vin

24Vin

36Vin

Efficiency vs. Load

R2M-4812S/SMD

Power Dissipation vs. Load

0

10

20

30

40

50

60

70

80

90

100

100

80

60

40

90

70

50

30

20

10

0

Output Load [%]

36Vin

54Vin

75Vin

0.5

0.6

0.7

0.8

0.9

0.3

1.0

0.4

0.1

0.2

0

0

10

20

30

40

50

60

70

80

90

100

Output Load [%]

36Vin

54Vin

75Vin

Notes:

Note5: Refer to

“ON/OFF CTRL”