Technical Reference Notes
AEQ75Y48 Series
(Single Output Quarter Brick)
Electrical Specifications (continued)
INPUT SPECIFICATION
Parameter
Operating Input Voltage
Device
All
Symbol
VIN
Min
36
Typ
48
Max
75
Unit
VDC
T1
36
48
62
Input Under-Voltage Lock-out
T_ON Threshold
All
34
32
-
34.8
33.5
-
35.5
34.5
4.5
Vdc
A
T_OFF Threshold
Maximum Input Current1
Conditions: VIN =VIN,min
IO = IO,max; TA = 25 ºC
All
IIN,max
Max PDISS @ IO = 0A
All
All
-
-
3
4
W
(VIN = VIN,NOM) @ 25 ºC
Input Reflected Ripple Current2
Conditions: PO = PO,max; TA = 25 ºC
BW: 5Hz to 20MHz
II1
10
20
mAPK-PK
OUTPUT SPECIFICATIONS
Parameter
Device
Symbol
Min
Typ
Max
Unit
Output Voltage Set point
VIN = VIN, min to VIN, max;
IO =IO,Max
All
VO,SET
1.770
1.800
1.830
Vdc
Output Regulation
Line: VIN = VIN, Min to VIN, Max
All
All
All
-
-
-
-
-
-
0.10
0.05
15
0.30
0.20
50
%Vo
%Vo
mV
Load: IO = IO, Min to IO, Max
Temperature: Ta = -40 ºC to +85ºC
Ripple and Noise3
RMS (5Hz to 20MHz)
Peak-to-Peak: (5Hz to 20MHz)
All
-
-
-
25
30
100
mVRMS
mVp-p
Output Current4
All
All
All
All
IO
-
0
-
75
A
External Load Capacitance
Capacitor ESR
-
4
78
-
-
80
25,000
-
90
mF
mW
A
Output Current-limit Inception5
VOUT = 90% VO,SET
IO
Over Voltage Protection Range5
2.1
-
2.9
V
Over Temperature Range6
AEQ (referenced to avg Baseplate temp)
AEQ
TBP
-
110
-
°C
MODEL: AEQ75Y48 SERIES
JULY 21, 2005 - REVISION 01
SHEET 3 OF 12
ASTEC [ Astec America, Inc ]
