North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662
2
Special Features
Electrical Specs
Special Features
Electrical Specs
60 Watts
ALQ15-Dual
High Efficiency
Industry standard Dual O/p 1/4 Brick Footprint
Open Frame Construction
Low Ripple and Noise
1
< 30mV
PK-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
Environmental
Operating Ambient Temperature -40C to +85C
Storage temperature: -55C to +125C
MTBF: > 1 Million Hrs
Input
Input Range
36 to 75 VDC
Input Surge
100V /100ms
Efficiency
2
5.0V/3.3V @ 89.5% (typ at 60W)
3.3V/2.5V @ 87.7%
3.3V/1.8V @ 86.5%
2.5V/1.5V @ 84.0%
Output
Line / Load Regulation
< 1% Vo
Load Current
15A max per channel (60W max)
12A max for 5V rail
Noise/Ripple
1
30mV
PK-PK
Transient Response
2% Vo deviation (typ)
(50% to 75% Step Load)
< 300
s settling time (typ)
Over Voltage Protection
130% Vo Typ (latching)
Over Current Protection
130% I
O,max
Typ (autorecovery)
Over Temperature
115C average PCB temperature
Protection
(autorecovery)
Switching Frequency
350kHz (typ)
Isolation Voltage
1500Vdc
Control
Voltage Adjust
10% V
O,NOM
Enable
TTL compatible
(Positive or Negative options)
Safety
UL, cUL 60950 Recognized
TUV EN60950 Licensed
CB Test Ceritifcate
Total Power:
60 Watts
Input Voltages:
48V
No. of Outputs:
Dual
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
3
www.astecpower.com
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 Volatge
Output Voltage Output Current Efficiency
2
Model Number
Vo1 Vo2 Io1
Io2
36V to 75V
5V 3.3V 12A
15A 89.5% ALQ15AF48(N) - (6)
36V to 75V
3.3V 2.5V 15A
15A 87.7% ALQ15FG48(N) - (6)
36V to 75V
3.3V 1.8V 15A
15A 86.5% ALQ15FY48(N) - (6)
36V to 75V
2.5V 1.5V 15A
15A 84.0% ALQ15GM48(N) - (6)
* Total power both outputs combined not to exceed 60 Watts
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")
Dual Output
1. +Vin
2. Enable (On/Off)
3. -Vin
4. +V
O2
5. Secondary Return/Ground
6. Trim
7. +V
O1
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 T
A
= 25C.
3. All specifications are typical at nominal line, full load
and T
A
= 25C 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.
The information on this data sheet are believed to be accurate
at the time of its release. 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.
(REV01: FEB 23, 2004)
Pin Assignment
SIDE
TOP
2
C
3
L
1
6
4
5
7
Mechanical Outline
PIN SIDE DOWN
PIN SIDE UP
Dimensions are in inches [millimeters]
Pin placement tolerance 0.005 [0.127]
Mechanical Tolerance 0.02 [0.5]
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