ALQ25_03 Datasheet, PDF (6/15 Pages) Astec America, Inc – Single Output Open-Frame DC-DC Converter Module Industry Standard ¼ Brick: 36V-75V Input / 5V Output

Technical Reference Notes
ALQ25 Series
(Open Frame Single Output Quarter Brick)
FEATURE SPECIFICATION
Parameter
Output Enable ON/OFF¹⁰
Device Symbol
Min
Negative Enable ("N" suffix)
N
-
-0.7
Enable Pin voltage for Module ON suffix
-
3.5
Module OFF
Positive Enable (No suffix)
Enable Pin voltage for Module ON
No
-
3.5
Module OFF suffix
-
-0.7
Output Voltage Remote Sensing^11,13
All
-
-
Output Voltage Trim Range^12,13
All
90
Typ
Max
Unit
-
1.2
V
-
12
V
-
12
V
-
1.2
-
10
% V_O
110
% V_O
Note:
10. See Basic Operation and feature section for the recommended/ appropriate Module Enable configuration.
11. The sense pins can be used to compensate for any voltage drops (per indicated max limits) that may
occur along the connection between the output pins to the load. Pin 7 (+Sense) and Pin 5
(-Sense) should be connected to Pin 8 (+Vout) and Pin 4 (Return) respectively at the point where
regulation is desired.
12. Refer to Equation (1) and (2) and Figures 3 and 4 for the Output Trim Adjust configuration.
13. The combination of remote sense and Trim adjust cannot exceed 110% of V_{O, NOM}.
ISOLATION SPECIFICATION
Parameter
Isolation Capacitance
Isolation Resistance
Device Symbol
Min
All
-
-
All
-
10
Typ
1000
1000
Max
Unit
-
pF
-
MΩ
SAFETY APPROVAL
The ALQ25 series have been certified through:
• UL + cUL 60950, Third Edition - Recognized
• EN 60950 through TUV-PS
• Basic Insulation
MODEL: ALQ25 SERIES
Dec 1, 2003 - REVISION B
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