50 Amps
ALQ50
High Efficiency Quarter Brick
Total Power:
Input Voltages:
No. of Outputs:
132W
48V
Single
Electrical Specs
Input
Input Range
Input Surge
Efficiency
36 to 75 VDC
100V /100ms
3.3V @ 91% (typical)
Output
Line / Load
Regulation
Output Current
Noise/Ripple
1
< 0.3% Vo (typical)
up to 50A max
(3.3V at 40A max)
40mV
PK-PK
(typical)
Up to 10% of Vo
100mV (typ) deviation
50% to 75% Load change
250µs (typ) recovery
130% typ for Vo < 3.3V
125% typ for 3.3V
120% Iout typ (autorecovery)
115C average PCB temperature
(autorecovery)
480kHz
540kHz (2.5V output)
1500Vdc
Special Features
• Industry standard Quarter Brick package
1.48" x 2.30" x 0.38"
• Openfrmae low profile construction
• High capacitive load start-up
• Regulation to zero load
• Fixed frequency switching for EMI predictability
• Industry Standard Features: Input UVLO with
hysteresis, Enable, OCP, OCP, OTP, Output
Voltage Trim, Differential Remote Sense
• Meets Basic Insulation
Remote sense
Transient Response
Overvoltage Protection
Over Current Protection
Over Temperature
Protection
Switching Frequency
Isolation Voltage
Control
Voltage Voltage Trim
±10% V
O,NOM
Postive or Negative Logic options
Environmental
Operating Ambient Temperature: -40°C to +85°C
Storage Temperature: -40°C to +125°C
MTBF: > 1 million hours
Enable
Safety
UL, cUL 60950
TUV
EN60950
1
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
ASTEC [ Astec America, Inc ]
