Datasheet

www.recom-power.com
REV.: 2/2018 I-2
DC/DC Converter
Specifications (measured @ Ta= 25°C, 10% minimum load, unless otherwise stated)
R-78T-1.0
Series
BASIC CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Internal Input Filter C filter
Input Voltage Range
nom. Vin= 3.3VDC
nom. Vin= 5.0VDC
nom. Vin= 12VDC
7VDC
8VDC
15VDC
42VDC
42VDC
42VDC
Overload Capability
(3)
peak duty cycle 10%
150%, 10s
Quiescent Current
1mA
Minimum Load 10%
Internal Operating Frequency
350kHz
Output Ripple and Noise
20MHz BW 50mVp-p 100mVp-p
continued on next page
R-78T3.3-1.0
Efficiency vs. Load Ripple vs. Load
10 20 30 40 50 60 70 80 90 100
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
Output Load [%]
7Vin
12Vin
24Vin
36Vin
42Vin
100 20 30 40 50 60 70 80 90 100
40
30
20
45
35
25
15
10
5
0
Ripple & Noise [mVp-p]
Output Load [%]
24Vin
36Vin
42Vin
Notes:
Note3: For more inforation, please refer to „Overload Capability Graph“ on page I-4
R-78T5.0-1.0
Efficiency vs. Load Ripple vs. Load
10 20 30 40 50 60 70 80 90 100
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
Output Load [%]
8Vin
12Vin
24Vin
36Vin
42Vin
100 20 30 40 50 60 70 80 90 100
40
30
20
45
35
25
15
10
5
0
Ripple & Noise [mVp-p]
Output Load [%]
24Vin
36Vin
42Vin