Technical Reference Notes (AEH60/ALH60F48)
Electrical Specifications
(continued)
INPUT SPECIFICATIONS
Parameter
Operating Input Voltage
Maximum Input Current
1
(V
IN
= 0 to V
IN,max
: I
O
= I
O,max
)
Input Reflected-ripple Current
2
(5Hz to 20MHz: 12uH source
impedance: T
A
= 25 ºC.)
No Load Input Power
(V
IN
= V
IN,nom
)
Note:
Device
All
F (3.3V)
All
Symbol
V
IN
I
IN,max
I
I
Min
36
-
-
Typ
48
-
-
Max
75
7.2
15
Unit
V
DC
A
mA
PK-PK
All
-
-
-
5
W
1. The power module is not internally fused. An input line fuse must always be used.
2. See Figure 1 for the Input Reflected-Ripple Current Test Setup.
OUTPUT SPECIFICATIONS
Parameter
Output Voltage Setpoint
(V
IN
= V
IN,min
to V
IN,max
at
I
O
= I
O,max
; T
A
= 25 ºC )
Output Regulation:
Line
Load (I
O
= I
O,min
to I
O,max
)
Temp (AEH: -40 ºC to 100ºC)
(ALH: -40°C to 85°C)
Output Ripple and Noise
3
Peak-to-Peak (5 Hz to 20 MHz)
V
IN
= 36V, 48V
V
IN
= 75V
External Load Capacitance
(See Stability Curves for Detail)
Rated Output Current
Output Current-limit Inception
(when unit is shut down)
Efficiency
4
(V
I
= V
IN,nom
; I
O,max
; T
A
= 25°C)
Switching Frequency
Note:
Device
3.3V
Symbol
V
O,SET
Min
3.24
Typ
3.3
Max
3.34
Unit
Vdc
All
All
All
-
-
-
-
-
-
0.1
0.1
-
0.4
0.4
1.0
%
%
%Vo
3.3V
All
All
All
3.3V
All
-
-
-
Io
Io
-
-
-
-
-
0
63
90
180
66
-
-
-
-
91
195
100
150
50,000
60
77
-
210
mV
PK-PK
mV
PK-PK
µF
A
A
%
KHz
3. See Figure 2 for the Output Ripple Test Setup
4. Refer to Figures 5 and 6 for the Efficiency Curves
MODEL: AEH/ALH60F48
SEPTEMBER 26, 2002 - REVISION 02
SHEET 4 OF 21
ASTEC [ Astec America, Inc ]
