DC-DC / Industry Standard Isolated Quarter Brick
Astec Industry Standard
300 Watts
ALQ25B50
DC Transfromer
Total Power: Input Voltages: No. of Outputs:
300W (12V @ 25...
Description
Astec Industry Standard
300 Watts
ALQ25B50
DC Transfromer
Total Power: Input Voltages: No. of Outputs:
300W (12V @ 25A) 48V Single
Electrical Specs
Input
Input Range1 Efficiency Over Voltage Protection Input UVLO1 42 to 53 VDC 96%@12V (Typ) 60V 39V to 42V
Output
Output Current Line Regulation Load Regulation Noise/Ripple2 Transient Response 0A to 25A max (300W output power) 10.25V to 13.60V 8.50V to 13.60V (for “-AL” option) ±3% Vo (Typical) 100mV (Typical) 200mV typical deviation 50% to 75% Load Change 100µs max recovery time 115% IO,MAX typical (latching) 800kHz
Special Features
High efficiency (96% Typical) -40°C to +100°C Ambient Air Operation Industry standard package Qtr Brick 1.48" x 2.30" x 0.40" High capacitive load limit on start-up 12V @ 25A Intermediate Bus Voltage for DPA application Regulation to zero load Output Enable Pin Meets Basic Insulation Input UVLO and Overvoltage Protection Over Temperature Protection
Over Current Limit1 Switching Frequency
Control
Enable TTL compatible (Positive or Negative Enable Logic)
Isolation Voltage
Input to Output 2000Vdc max
Environmental
Ambient air operating temperature range: -40°C to +100°C Storage temperature: -55°C to +125°C Overtemperature protection: 115°C typical MTBF: > 1 million hours
* Specifications are subject to change without notice.
Safety
UL, cUL 60950 TUV EN60950
1
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
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