DC/DC Converter

ECO-2

REV.: 1/2016

www.recom-power.com

REGULATIONS

Parameter

Condition

Type

Values

Output Voltage Accuracy

±1% typ. / ±1.5% max.

Voltage Adjustability

±10% typ.

Line Voltage Regulation

low line to high line, full load

±0.2% max.

Load Voltage Regulation

10% to 100% load

±0.5% max.

Cross Regulation

25% to 100% load

dual output

±5% max.

Transient Response Recovery Time

25% load step change

250µS typ.

continued on next page

REC20

Series

BASIC CHARACTERISTICS

Parameter

Condition

Min.

Typ.

Max.

Input Voltage Range

nom. Vin= 12V

nom. Vin= 24V

nom. Vin= 48V

9VDC

18VDC

36VDC

18VDC

36VDC

75VDC

Start/up Time

10ms

Under Voltage Lockout

nom. Vin= 12V

DC-DC ON

DC-DC OFF

8.6VDC

7.8VDC

nom. Vin= 24V

DC-DC ON

DC-DC OFF

17.6VDC

16.8VDC

nom. Vin= 48V

DC-DC ON

DC-DC OFF

34.6VDC

33.8VDC

Remote ON/OFF

DC-DC ON

DC-DC OFF

Open or 3V<Vr<12V

Short or 0V<Vr<1.2V

Operating Frequency

350kHz

Minimum Load

0%

100mVp-p

Efficiency vs. Load

36V

54V

75V

Output Current [A]

0

55

65

60

75

70

80

90

85

95

1

0.5

2

1.5

2.5

6

3.5

3

18V

24V

36V

Output Current [A]

0

70

75

85

80

90

95

0.13 0.27 0.40 0.54 0.67

0.94

0.80

1.34

1.07 1.21

REC20-485.1S

REC20-2415S

Notes:

Note1: Ripple and Noise is measured with a 20MHz bandwidth and a 0.1µF ceramic capacitor.