ALO25F24 Datasheet, PDF (1/13 Pages) Astec America, Inc – Single Output 8th Brick: Open-Frame Module

Technical Reference Notes
ALO25F24
(Single Output 8^th Brick)
ALO25F24 Single Output 8^th Brick: Open-Frame Module
The ALO25F24 is Astec’s 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°C to 85°C ambient, the converter is deployable into almost any environment.
Special Features
• 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
Environmental Specifications
• -40ºC to 85ºC Operating Temperature
• -40ºC to 125ºC Storage Temperature
• MTBF > 1 million hours
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
3.3V @ 25A max (P_O = 82.5W)
Line/Load Regulation < 1% V_O
Ripple and Noise
75mV_P-P
Output Voltage
Adjust Range
±10% V_O
Transient Response 5% Typical deviation
50% to 75% Load Change
100µs settling time (Typ)
Remote Sense
Over Current
+10%V_O
120% (Typ)
Protection
Over Voltage
130% (Typ)
Protection
Over Temperature 103°C
Protection
Safety
UL + cUL 60950, Recognized
EN60950 through TUV-PS
MODEL: ALO25F24
AUGUST 23, 2005 - REVISION H
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