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REV.: 0/2023

ECO-2

DC/DC Converter

R1M

Series

BASIC CHARACTERISTICS

Parameter

Condition

Min.

Typ.

Max.

Quiescent Current

nom. VIN= 12VDC

20mA

nom. VIN= 24VDC

10mA

nom. VIN= 48VDC

5mA

Start-up time

power up, CTRL ON/OFF

10ms

20ms

ON/OFF CTRL (4)

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

30mVp-p

Reflected Back Ripple Current

with external

components

nom. VIN= 12VDC

15mAp-p

nom. VIN= 24VDC

10mAp-p

nom. VIN= 48VDC

5mAp-p

continued on next page

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

Efficiency vs. Load

R1M-1212S/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 [%]

4.5Vin

9Vin

12Vin

18Vin

0.25

0.15

0.4

0.35

0.3

0.2

0.05

0.1

0

0

10

20

30

40

50

60

70

80

90

100

Output Load [%]

4.5Vin

9Vin

12Vin

18Vin

Efficiency vs. Load

R1M-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 [%]

9Vin

18Vin

24Vin

36Vin

0.3

0.2

0.45

0.4

0.35

0.25

0.1

0.05

0.15

0

0

10

20

30

40

50

60

70

80

90

100

Output Load [%]

9Vin

18Vin

24Vin

36Vin

Notes:

Note4: Refer to

“ON/OFF CTRL”