ALQ50Y48N

ALQ50Y48N Datasheet


ALQ40

Part Datasheet
ALQ50Y48N ALQ50Y48N ALQ50Y48N (pdf)
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PDF Datasheet Preview
40 Amps

ALQ40

Total Power Input Voltages No. of Outputs:
144W 48V Single

High Efficiency Quarter Brick

Electrical Specs

Input

Input Range Input Surge Efficiency
36 to 75 VDC 100V /100ms Typ

Special Features
• High efficiency 91% Typical
• -40°C to +70°C Ambient Air Operation
• Industry standard package
x
• High capacitive load limit on start-up
• Remote sense compensation
• Basic insulation
• Regulation to zero load
• Fixed frequency switching 200KHz

Output

Load Regulation

Line Regulation

Voltage Tolerance Noise/Ripple
10mV typical down to no load 3V3 output and below 10mV typical 3V3 output and below ±1% 100mV max typ 150mV max for 5V

Remote sense Transient Response

Overvoltage Protection Current Limit Switching Frequency

Up to 10% of Vo 5% max deviation with 25% to 75% full output 5V and above 200mV output below 5V 500µs max recovery 140% nominal output 140% nominal output 200KHz typ

Control

Voltage Adjust
90 to 110% for 5V output 80 to 110% for 3.3V and below

Environmental

Enable

TTL compatible positive & negative enable options

Ambient air operating temperature range -40°C to +70°C Storage temperature -40°C to +125°C Overtemperature protection 115°C typical MTBF > 1 million hours

Safety

UL,cUL 60950 TUV EN60950

North America USA 1-888-41-ASTEC

Europe UK 44 1384 842-211Asia HK 852-2437-9662

AMERICAS
5810 Van Allen Way Carlsbad, CA 92008 Telephone 760-930-4600 Facsimile 760-930-0698

EUROPE

Astec House, Waterfront Business Park Merry Hill, Dudley

West Midlands, DY5 1LX, UK Telephone 44 1384 842-211 Facsimile 44 1384 843-355

ASIA

Units 2111-2116, Level 21 Tower1, Metroplaza 223, Hing Fong Road

Fwai Fong, New Territories Hong Kong

Telephone 852-2437-9662 Facsimile 852-2402-4426
Ordering Information

Input Voltage
36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V 36V to 75V

Output Voltage
5.0V 3.3V 2.5V 1.8V 1.5V 1.2V

Output Current
25A 35A 40A

Efficiency
91% Typ 90% Typ 89% Typ 87% Typ 85% Typ 84% Typ

Model Number

ALQ25A48 ALQ35F48 ALQ40G48 ALQ40Y48 ALQ40M48 ALQ40K48

NOTES “N” = Negative logic enable without “N” = Positive logic enable

Pin Assignments

Nominal values apply with sense pins connected to+Vout and Ground Return with other control pins unconnected.

Specifications subject to change without

J1 -Vin J2 ENABLE J3 +Vin J4 -Vo J5 -SENSE J6 TRIM J7 +SENSE J8 +Vo
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Datasheet ID: ALQ50Y48N 518413