Technical Reference Notes
ALO25F24
(Single Output 8
th
Brick)
ALO25F24 Single Output 8
th
Brick: Open-Frame Module
The ALO25F24 is Astec鈥檚 8
th
Brick industry standard offering. Operating from an input voltage range of 18V to 36V. It
delivers up to 25A max current at 3.3V output voltage. It provides tight regulation and exhibits clean and monotonic output
start up characteristics. This model comes with industry standard features such as Input UVLO; Enable On/Off, OCP, OVP and
OTP; Output Trim; Differential Remote Sense pins. Open frame construction is available with TH and SMT termination. With
its wide operating temperature range of -40掳C to 85掳C ambient, the converter is deployable into almost any environment.
Electrical Parameters
Input
Input Range
Input Surge
18-36 VDC
50V / 100ms
Control
Enable
TTL compatible
(Positive or Negative Logic Enable Options)
Output
Load Current
Line/Load Regulation
Ripple and Noise
Output Voltage
Adjust Range
Transient Response
3.3V @ 25A max (P
O
= 82.5W)
< 1% V
O
75mV
P-P
卤10% V
O
5% Typical deviation
50% to 75% Load Change
100碌s settling time (Typ)
碌
+10%V
O
120% (Typ)
130% (Typ)
103掳C
掳
Special Features
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Industry Standard 8
th
Brick Footprint
Open frame construction
Low Ripple and Noise
Regulation to zero load
High Capacitive Load Start-up
Fixed Switching Frequency
Industry standard features: Input UVLO;
Enable; OVP, OCP and OTP; Output Trim,
Remote Sense
Meets Basic Insulation
Remote Sense
Over Current
Protection
Over Voltage
Protection
Over Temperature
Protection
Environmental Specifications
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-40潞C to 85潞C Operating Temperature
-40潞C to 125潞C Storage Temperature
MTBF > 1 million hours
Safety
UL + cUL 60950, Recognized
EN60950 through TUV-PS
MODEL: ALO25F24
AUGUST 23, 2005 - REVISION H
SHEET 1 OF 13
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英文版
Single Output 8th Brick: Open-Frame Module
ASTEC
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英文版
Single Output 8th Brick: Open-Frame Module
Astec America, ...
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Single Output 8th Brick: Open-Frame Module
ASTEC
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英文版
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Astec America, ...
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Single Output 8th Brick: Open-Frame Module
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英文版
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ASTEC [Ast...
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英文版
Single Output 8th Brick: Open-Frame Module
ASTEC
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英文版
Single Output 8th Brick: Open-Frame Module
ASTEC [Ast...
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英文版
Single Output 8th Brick: Open-Frame Module
ASTEC
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英文版
Single Output 8th Brick: Open-Frame Module
ASTEC [Ast...
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英文版
Single Output 8th Brick: Open-Frame Module
ASTEC
-
英文版
Single Output 8th Brick: Open-Frame Module
ASTEC [Ast...
-
英文版
Single Output 8th Brick: Open-Frame Module
ASTEC
-
英文版
Single Output 8th Brick: Open-Frame Module
ASTEC [Ast...
-
英文版
Single Output 8th Brick: Open-Frame Module
ASTEC
-
英文版
Single Output 8th Brick: Open-Frame Module
Astec America, ...
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