www.recom-power.com

REV.: 0/2023

ECO-3

DC/DC Converter

R5M

Series

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

Efficiency vs. Load

R5M-4824S

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

36Vin

54Vin

75Vin

1

1.2

0.6

1.6

1.4

0.8

0.2

0.4

0

0

10

20

30

40

50

60

70

80

90

100

Output Load [%]

18Vin

36Vin

54Vin

75Vin

ON/OFF CTRL

+V

out

+V

in

CTRL

-V

out

-V

in

-Vout

+Vout

-Vin

+Vin

VCTRL

1k

Ω

REGULATIONS

Parameter

Condition

Value

Output Accuracy

±1.0% max.

Line Regulation

low line to high line, full load

±0.2% max.

Load Regulation

0% to 100% load

single

1% max.

dual

1% max.

10% to 90% load

single

0.5% max.

dual

0.8% max.

Cross Regulation

asymmetrical 25% / 100% load

±5% max.

Transient Response Recovery Time

25% load step change

±500µs typ.

PROTECTIONS

Parameter

Type

Value

Short Circuit Protection (SCP)

continuous, auto recovery

Isolation Voltage (5)

I/P to O/P

1 minute

1.6kVDC min.

Isolation Resistance

I/P to O/P, VISO= 500VDC

1G

Ω min.

Isolation Capacitance

I/P to O/P, 100kHz/0.1V

50pF typ.

Notes:

Note5: This power module is not internally fused. An input line fuse must always be used

Recom suggests: 24Vin=T1.25A; 48Vin=T0.63A slow blow

DC-DC ON

Open or high impedance

DC-DC OFF

2.0mA to 4.0mA max.