Data are valid at +25°C, unless otherwise specified.
Parameter
Input
Nominal input voltage
Permanent input
voltage range (Ui)
Undervoltage lock-out (UVLO)
Start up time
Conditions
Limit or
typical
Nominal
Min. - Max.
Maximum
Maximum
Units
Hi-Rel
Grade
MGDS-75 - S
270
155 - 480
155
30
Full temperature range
Full temperature range
Turn-on voltage
Ui nominal
Nominal output
Full load : resistive
Ui nominal, full load
BW = 20MHz
Ui nominal
Short-circuit
Ui nominal
No load
Ui nominal
Inhibit
VDC
VDC
VDC
ms
% of
input
current
mA
mA
mA
Reflected ripple current****
Input current in short circuit
mode (Average)
No load input current
Input current in inhibit mode
Output
Maximum
Typical
Maximum
Maximum
10
20
15
2
Output voltage *
Ui min. to max.
Nominal
Nominal
Nominal
Nominal
Nominal
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
Maximum
VDC
VDC
VDC
VDC
VDC
%
W
A
A
A
A
A
mVpp
mVpp
mVpp
%
%
%
%
3.3
5
12
15
26
+/- 2
75
15
15
6,25
5
2,85
50
150
250
+/- 1
90 *
110
90
4
Set Point accuracy *
Output power **
Output current **
3.3V output
5V output
12V output
15V output
26V output
Ripple output voltage ***
3.3V, 5V output
12V, 15V output
26V output
Output regulation *
(Line + load + thermal)
Output Voltage Trim
Efficiency
Ambient temperature : +25°c
Ui nominal, 75% load
At 105°c baseplate
Ui min. to max.
Full temperature range
Ui min. to max.
Ui nominal
Full load
BW = 20MHz
Ui min. to max.
0% to full load
As function of output voltage
Ui nominal
Full load
Typical
Maximum
Minimum
Maximum
Typical
Note * : These performances are measured with the sense line connected..
Note ** : It is recommended to mount the converter on a heatsink for this test, see section 9-3 and 9-9 for further details.
Note *** : The ripple output voltage is the periodic AC component imposed on the output voltage, an aperiodic and random component (noise) has also to be considered.
This noise can be reduced by adding 4 external decoupling capacitors connected between inputs and case and between outputs and case. These capacitance should
be layed-out as close as possible from the converter. Please refer to page 8 for more details.
Note **** : These performances are with 10µF input copacitor.
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