www.recom-power.com

REV.: 0/2023

ECO-4

DC/DC Converter

R3M

Series

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

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.

ENVIRONMENTAL

Parameter

Condition

Value

Operating Temperature Range

with derating

-40°C to +105°C

without derating

-40°C to +71°C

Maximum Case Temperature

measured at

“tc point”

+105°C

Operating Humidity

non-condensing

5% - 95% RH max.

Thermal Shock

according to MIL-STD-810F

Vibration

according to MIL-STD-810F

MTBF

according to MIL-HDBK-217F, G.B.

+25°C

5627 x 10³ hours

Derating Graph

(@ Chamber and natural convection 0.1m/s)

-40

-20

0

20

40

70

60

-30

-10

10

30

50

80 90

120

110

100

71

100

80

60

40

90

70

50

30

20

10

0

Ambient Temperature [°C]

Notes:

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

Recom suggests: 12Vin=T1.6A; 24Vin=T0.8A; 48Vin=T0.5A slow blow