DC/DC Converter

BASIC CHARACTERISTICS

Parameter

Condition

Min.

Typ.

Max.

Internal Input Filter

Pi Network

Input Voltage Range

2:1 Input Voltage =

12VDC

24VDC

48VDC

9VDC

18VDC

36VDC

18VDC

36VDC

75VDC

4:1 Input Voltage =

24VDC

48VDC

9VDC

18VDC

36VDC

75VDC

Input Surge Voltage

100ms max.

nom. Input Voltage

12VDC

24VDC

48VDC

36VDC

50VDC

100VDC

Under Voltage Lockout (UVLO)

nom. Vin= 12VDC

(2:1 and 4:1 Input Types)

DC-DC ON

8.3VDC

DC-DC OFF

7.9VDC

nom. Vin= 24VDC

(2:1 and 4:1 Input Types)

DC-DC ON

17.4VDC

DC-DC OFF

16.7VDC

nom. Vin= 48VDC

DC-DC ON

35.7VDC

DC-DC OFF

34.3VDC

Input Current

2:1 Input Voltage =

9-18VDC

18-36VDC

36-75VDC

2A

1A

0.5A

4:1 Input Voltage =

9-36VDC

18-75VDC

2A

1A

Quiescent Current

20mA

Minimum Load

0%

Start-up time

25ms

Rise Time

200µs

Hold-up Time

200µs

ON/OFF CTRL

DC-DC ON

DC-DC OFF

Open or 3.5V<Vr<12V

0V<Vr<1.2V

Internal Operating Frequency

300kHz

20MHz BW

100mVp-p

continued on next page

ECO-2

REV.: 0/2017

www.recom-power.com

REC15-S_D(Z)/M

Series

Efficiency vs. Load

REC15-245.1SZ/H2/M

REC15-2412S/H2/M

Notes:

Note4: Measurements are made with a 100nF MLCC across output. (low ESR)

100

0

20

40

60

80

0

90

100

80

70

60

50

40

30

20

10

Output Current [%]

09Vin

12Vin

24Vin

36Vin

100

0

20

40

60

80

0

90

100

80

70

60

50

40

30

20

10

Output Current [%]

18Vin

24Vin

30Vin

36Vin