Data Sheet

www.recom-power.com
REV.: 8/2018 PA-2
AC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin (115/230VAC), full load and after warm-up unless otherwise stated)
RAC03-SER/277
Series
BASIC CHARACTERISTICS
Parameter Condition Min. Typ. Max.
Input Voltage Range
(4)
nom. Vin= 230VAC 85VAC
120VDC
277VAC 305VAC
430VDC
Input Current
115VAC
230VAC
70mA
45mA
Inrush Current cold start at +25°C
115VAC
230VAC
15A
30A
No load Power Consumption 85-305VAC/ 47-440Hz 40mW
Input Frequency Range AC Input 47Hz 440Hz
Minimum Load
(7)
10%
Hold-up Time 115VAC 18ms
Internal Operating Frequency 100% load at nominal Vin 55kHz
Output Ripple and Noise
(5)
3.3Vout
all others
250mVp-p
200mVp-p
Notes:
Note4: No line derating required
Note5: Ripple and Noise is the maximum peak-to-peak voltage value measured at the output with a 20MHz bandwidth, at rated line voltage
at full load. And with a 47µF low-ESR electrolytic capacitor in parallel with a 0.1µF ceramic capacitor across output
Efficiency vs. Load
RAC03-05SER/277
0 10 20 30 40 50 60 70 80 90
100
100
80
60
40
90
70
50
30
20
10
0
Efficiency [%]
Output Load [%]
115VAC
230VAC
277VAC
REGULATIONS
Parameter Condition Value
Output Voltage Tolerance
(6)
3.3Vout
5Vout
12, 24Vout
±4.0% typ. / ±8.0% max.
±3.5% typ. / ±5.0% max.
±3.0% typ. / ±4.0% max.
Line Regulation low line to high line, full load ±0.7% typ. / ±1.0% max.
Load Regulation
(7)
10% to 100% load
3.3Vout
5Vout
12, 24Vout
5.5% typ. / 9.0% max.
5.0% typ. / 7.5% max.
4.0% typ. / 5.5% max.
Notes:
Note6: Includes initial voltage accuracy, thermal drift, line regulation and load regulation at rated input voltage and load conditions
Note7: Operation below 10% load will not harm the converter, but specifications may not be met