5
GLOBAL ENERGY EFFICIENCY SPECIALIST
Parameter Min. Typ. Max. Unit Notes & Conditions
Output characteristics
Output voltage setpoint 47.52 48.00 48.48 V DC TA= 25°C, Vin = 110/220 V AC, 50%
load
Output power - - 500 W See Figure 3.
Line regulation –0.3 - 0.3 % Vout = 48 V DC, Pout = 500 W
Load regulation –0.8 - 0.8 % -
Regulated voltage precision –3 - 3 % Full range of Vin, Iout, and TA
Temperature coefficient –0.02 - 0.02 %/°C Full range of Vin, Iout, and TA
External load capacitance
470 x 3 - 470 x 11 µF
Output capacitor:
low ESR aluminum capacitor
(recommended product model:
EKY-630ELL471MK25S NCC)
390 - 390 x 2 µF
Boost voltage bulk capacitor:
long(5000 h) life aluminum capacitor
(recommended product model:
ELXS451VSN391MR50S NCC)
Output ripple and noise
(peak to peak)
- - 550 mV –5°C ≤TA ≤85°C
Oscilloscope bandwidth: 20 MHz
- - 800 mV –25°C ≤TA < –5°C
Oscilloscope bandwidth: 20 MHz
- - 800 mV –40°C ≤TA< –25°C
Oscilloscope bandwidth: 20 MHz
Hold-up time 10 - - ms
Output capacitor: 470 µF x 3
Bulk capacitor: 390 µF
TA= 25°C, 100% load, from input
power outage to 90% Vout
Output voltage delay time - - 8 s From Vin connection to 10% Vout
Output voltage rise time
- - 100 ms From 10% Vout to 90% Vout, TA ≥ –
25°C
- - 400 ms
From 10% Vout to 90% Vout,
–40°C ≤TA< –25°C
When the temperature is below –25°C,
there is no requirement on the output
voltage rise waveform.
Output voltage overshoot - - 5 %Vonom Full range of Vin, Iout, and TA
Current sharing accuracy -10 - 10 %
The output power of each module
must be greater than 200 W.
The voltage difference between
modules connected in parallel should
be less than 5%.
Electrical Specifications
ADF10S48B
AC-DC Converter Technical Manual V1.1
