Emerson Network Power ALQ20FM48N-6 High efficiency Datasheet

100 Watts
Total Power:
Input Voltages:
No. of Outputs:
100 Watts
48V
Dual
ALQ20-Dual
High Efficiency
Electrical Specs
Input
Input Range
Input Surge
36 to 75 VDC
100V /100ms
Efficiency2
3.3V/1.5V @ 90%
3.3V/1.2V @ 90%
Output
Line / Load Regulation
Load Current
< 1% Vo
20A max per channel
Noise/Ripple1
30mVPK-PK typical
Transient Response
Over Voltage Protection
Over Current Protection
40mV typical deviation
(50% to 75% Step Load)
< 300µs settling time (typ)
130% Vo Typ (latching)
130% IO,max Typ (autorecovery)
Over Temperature
Protection
Switching Frequency
Isolation Voltage
115ºC average PCB temperature
(autorecovery)
410kHz (typ)
1500Vdc
Special Features
•
•
•
•
•
•
•
Industry standard Dual O/p 1/4 Brick Footprint
Open Frame Construction
Low Ripple and Noise1 < 30mVPK-PK
Regulation to zero load
High Capacitive Load start-up
Fixed Frequency Switching for EMI predictability
Industry Standard features: OVP, OCP, OTP,
Input UVLO, Enable, Trim
• Input Under Voltage Lockout with hysteresis
• Output Voltage Adjustability
• Meets Basic Insulation
Control
Voltage Adjust
±10% VO,NOM
Enable
TTL compatible
(Positive or Negative options)
Environmental
Operating Ambient Temperature -40°C to +85°C
Storage temperature: -55°C to +125°C
MTBF: > 1 Million Hrs
Safety
UL, cUL 60950 Recognized (Pending)
TUV EN60950 Licensed (Pending)
2
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
AMERICAS
EUROPE
ASIA
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
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 Volatge
Output Voltage
Vo1
Vo2
Output Current
Io1
Io2
Efficiency2
Model Number
36V to 75V
36V to 75V
36V to 75V
3.3V
3.3V
3.3V
20A
20A
15A
90%
90%
90%
ALQ20FM48(N) - (6)
ALQ20FK48(N) - (6)
ALQ15FK48(N) - (6)
1.5V
1.2V
1.2V
20A
20A
15A
OPTIONS:
Enable Function "N" = Negative Logic Enable (default is Positive Logic Enable - no suffix “N”)
Pin Length
“-6” = 3.7mm nominal pin length (default is 5mm nominal - no suffix “6”)
Pin Assignment
Dual Output
Mechanical Outline
1. +Vin
2. Enable (On/Off)
3. -Vin
4. +VO2
5. Secondary Return/Ground
6. Trim
7. +VO1
Notes:
1. 20 MHz bandwidth. External 10 uF tant. capacitor in
parallel with 1 uF ceramic capacitor placed output
and secondary return ground.
2. Efficiency measurements taken at full load - balanced
output load current, nominal line and TA = 25°C.
3. All specifications are typical at nominal line, full load
and TA = 25°C unless otherwise noted.
4. All specifications subject to change without notice.
Mechanical drawings are for reference only
5. Technical Reference Notes should be consulted for
detailed information when available
6. Warranty 1yr.
This is a Preliminary Data Sheet. Astec reserves the right to
make changes to the information contained herein without notice
and assumes no liability as a result of its use and application.
(REV A: APRIL12, 2004)
www.astecpower.com
Dimensions are in inches [millimeters]
Pin placement tolerance ± 0.005 [0.127]
Mechanical Tolerance ± 0.02 [0.5]
3
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