www.recom-power.com

REV.: 0/2019

RBB-5

DC/DC Converter

RBBA3000

Series

-40

-20

0

20

40

70

60

-30

-10

10

30

50

80

85

90

110

100

Ambient Temperature [°C]

600

500

300

400

200

100

0

24Vin/12Vout

-40

-20

0

20

40

70

60

-30

-10

10

30

50

80 90

110

100

Ambient Temperature [°C]

600

500

300

400

200

100

0

12Vin/24Vout

-40

-20

0

20

40

70

60

-30

-10

10

30

50

80 90

110

100

Ambient Temperature [°C]

1200

1150

1000

600

800

400

200

0

48Vin/24Vout

Operating Altitude [m]

0

1000

2000

3000

4000

5000

6000

100

70

50

90

80

60

30

40

20

10

0

(@ chamber and 2.5m/s convection)

24Vin/12Vout

48Vin/24Vout

12Vin/24Vout

Operating Altitude vs. Load

(@ chamber and 2.5m/s convection)

ENVIRONMENTAL

Parameter

Condition

Value

@ 2.5m/s convection (refer to

”Derating Graph”)

-40°C to +85°C

Maximum Baseplate Temperature

+110°C

@ 2.5m/s convection and baseplate mounting

0.05%/K

Thermal Impedance

@ 2.5m/s convection and baseplate mounting

1.2K/W

@ 2.5m/s convection (refer to

“Operating Altitude vs. Load”)

5000m

Operating Humidity

non-condensing

5% - 95% RH max.

MTBF

according Telcordia SR332

Method I Reliability Prediction at 48Vin, 25°C and 80% load

continued on next page

Notes:

Note8: tested with a eurocard 185x185mm 105µm copper, 6 layer