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Special Features

Electrical Specs

Special Features

50 Amps

• 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

Input

Input Range

36 to 75 VDC

Input Surge

100V /100ms

Efficiency

3.3V @ 91% (typical)

Output

Line / Load

< 0.3% Vo (typical)

Regulation

Output Current

up to 50A max

(3.3V at 40A max)

Remote sense

Up to 10% of Vo

Transient Response

100mV (typ) deviation

50% to 75% Load change

250µs (typ) recovery

Overvoltage Protection

130% typ for Vo < 3.3V

125% typ for 3.3V

Over Current Protection

120% Iout typ (autorecovery)

Over Temperature

115C average PCB temperature

Protection

(autorecovery)

Switching Frequency

480kHz

540kHz (2.5V output)

Isolation Voltage

1500Vdc

Control

Voltage Voltage Trim

Enable

Postive or Negative Logic options

Operating Ambient Temperature: -40°C to +85°C

Storage Temperature: -40°C to +125°C

MTBF: > 1 million hours

UL, cUL 60950

TUV

EN60950

Environmental

Total Power:

132W

Input Voltages:

48V

No. of Outputs:

Single

Safety

ALQ50

High Efficiency Quarter Brick