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ALQ50 Datasheet, PDF (1/2 Pages) Astec America, Inc – High Efficiency Quarter Brick, 50 Amps
50 Amps
ALQ50
High Efficiency Quarter Brick
Total Power:
Input Voltages:
No. of Outputs:
132W
48V
Single
Electrical Specs
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
Environmental
Operating Ambient Temperature: -40°C to +85°C
Storage Temperature: -40°C to +125°C
MTBF: > 1 million hours
Input
Input Range
Input Surge
Efficiency
36 to 75 VDC
100V /100ms
3.3V @ 91% (typical)
Output
Line / Load
Regulation
Output Current
Noise/Ripple1
Remote sense
Transient Response
Overvoltage Protection
Over Current Protection
Over Temperature
Protection
Switching Frequency
Isolation Voltage
< 0.3% Vo (typical)
up to 50A max
(3.3V at 40A max)
40mVPK-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
Control
Voltage Voltage Trim
Enable
±10% VO,NOM
Postive or Negative Logic options
Safety
UL, cUL 60950
TUV EN60950
1
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