AK45C Datasheet, PDF (3/17 Pages) Astec America, Inc – 36 Vdc to 75 Vdc Inputs, 100 W

Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Table 3. Output Specifications
Parameter
Output Voltage Setpoint
(V_I = V_I,min to V_I,max : Io = Io,max;
T_A = 25 ºC )
Output Regulation:
Line (VI = VI,min to VI,max)
Load(Io = Io,min to Io,max)
Line (VI = VI,min to VI,max)
Load(Io = Io,min to Io,max)
Temperature (Tc = -40 ºC to +100 ºC)
Output Ripple and Noise
(Across 0.1uF ceramic and 10uF
tantalum capacitors) See Figure 11.
External Load Capacitance
Output Current
Output Current-limit Inception
(Vo = 90% Vo,set)
Output Short-circuit Current
(Vo = 250mV)
Efficiency
(VI = VI,nom ; Io = Io,max; TC = 70ºC)
Switching Frequency
Dynamic Response:
(? Io/? t = 1A/10us; VI = VI,nom ;
TA = 25 ºC )
Load Change from Io = 50% to
75% of Io, max:
Peak Deviation
Settling Time
Load Change from Io = 50% to
25% of Io, max:
Peak Deviation
Settling Time
Device
018FHX
025FHX
033FHX
050FHX
018FHX
025FHX
033FHX
050FHX
All
All
All*
018FHX
025FHX
033FHX
050FHX
018FHX
025FHX
033FHX
050FHX
All
018FHX
025FHX
033FHX
050FHX
018FX
025FX
033FX
050FX
All
All
Symbol
Vo,set
Vo,set
Vo,set
Vo,set
-
-
-
-
-
-
-
-
Io
Io
Io
Io
Io
Io
Io
Io
-
Io
Io
Io
Io
f
f
f
f
-
-
-
-
Turn-on Time
(Io = Io,max; Vo within 1%)
Output Voltage Overshoot
(Io = Io,max; TA = 25 ºC)
All
-
All
-
Min
1.77
2.46
3.25
4.92
-
-
-
-
-
-
-
0
0
0
0
0
-
-
-
-
-
80
82
84
84
-
-
-
-
-
-
-
-
-
-
Typ
1.8
2.5
3.3
5.0
2
2
0.05
0.1
15
-
-
-
-
-
-
-
-
-
-
-
-
82
84
86
86
310
310
380
310
-
-
-
-
2
-
Max
1.83
2.54
3.35
5.08
4
5
0.1
0.2
50
100
30
4700
20
20
20
20
30
30
30
30
190
-
-
-
-
-
-
-
-
Unit
Vdc
Vdc
Vdc
Vdc
mV
mV
%Vo
%Vo
mV
mVp-p
mVRMS
uF
A
A
A
A
A
A
A
A
%Io,max
%
%
%
%
kHz
kHz
kHz
kHz
4
%Vo
400
usec
4
%Vo
400
usec
5
msec
5
%Vo
_____________________________________________________________
ASTEC POWER - Andover
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