Special Features
Electrical Specs
120 Watts
AL60A
High efficiency - up to 86%
500 KHz fixed frequency
100C baseplate operating
temperature (with no derating)
Low output ripple and noise
Excellent transient response
Safety isolated low voltage control and
monitoring
High reliability
Wide input voltage range
Parallelable with accurate current sharing
Adjustable output voltage and current limit
Regulation to zero load
Temperature monitor output
Operating temperature (baseplate):
-20C to +85C
Storage temperature: -40C to +105C
Overtemperature shutdown: 90C typical
MTBF: > 1 million hours (50C baseplate)
UL
UL 1950
E182206 & E32002
CSA
CSA22.2-234
LR53982C
CSA22.2-950
VDE
IEC 950 20396-3336-1003 & 1009
EN
60950
CE
CEMark (LVD)
Input
Input Range
180 to 400 VDC or 36 to 72 VDC
Efficiency
83% typical (5V @ 20A);
85% typical (12V @ 9A)
Output
Load Regulation
0.2% typical down to no load
Line Regulation
0.1% typical
Noise/Ripple
75 mV typical (output below 5V)
2% typical (output 5V and over)
Remote sense
Up to 0.5V
Output Voltage
Adjust Range
10% of nominal output
Transient Response
4% typical deviation with
250s recovery (25-75% full load)
Current Share Accuracy
5% typical
Overvoltage Protection
125% nominal Vo
Current Limit
110% Io max
Control
Voltage Adjust
90 to 110% Vo
Enable
TTL compatible (low to enable)
Clock Input
(external sync)
3.3 to 5.5Vp-p @ 1MHz 10%
Temperature
Monitor Output
10 mV/K (2.73V = 0C)
Current Monitor Output
0 to 1mA (1mA = 100% Io Rated)
Environmental
Total Power:
120 Watts
Input Voltages:
12V, 24V or 48V
No. of Outputs:
Single, Dual
Safety
A
s
t
e
c
Int
egrat
ed
Pow
e
r
America's (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
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W9959_02_DCDC_001-073_73 2/8/02 3:38 PM Page 50
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
Ordering Information
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
Input
Output
Output
Model Number
Input
Output
Output
Model Number
Voltage
Voltage
Current
Voltage
Voltage
Current
300V
2.0V
20A
AL60A-300L-020F20
48V
2.2V
30A
AL60A-048L-022F30
300V
3.3V
25A
AL60A-300L-033F25
48V
3.3V
25A
AL60A-048L-033F25
300V
5V
20A
AL60A-300L-050F20
48V
5V
10A
AL60A-048L-050F10
300V
12V
9A
AL60A-300L-120F09
48V
5V
20A
AL60A-048L-050F20
300V
15V
8A
AL60A-300L-150F08
48V
12V
6A
AL60A-048L-120F06
300V
24V
3A
AL60A-300L-240F03
48V
12V
9A
AL60A-048L-120F09
48V
15V
8A
AL60A-048L-150F08
Please contact Astec for information on other output voltages, power ranges and configurations.
Pin Assignments
Input
Output
Control Pins
31. +ve
22. +ve
1. +SENSE
32. ve
23. +ve
2. TEMP MON
27. -ve
3. C MON
28. -ve
4. C SHARE
5. CLK IN
6. V ADJ
7. ENABLE
8. SENSE
Secondary
side
controls
AL60A
A
s
t
e
c
Int
egrat
ed
Pow
e
r
BASE PLATE*
(CONNECT TO PROTECTIVE EARTH)
2 INPUT PINS
1.52 (0.060)
0.05 (0.002)
8 CONTROL PINS
0.64, 2.54 grid 0.05
(0.025, 0.1 grid 0.002)
6 OUTPUT PINS
1.52 (0.060)
0.05 (0.002)
58.42 (2.30)
61.0
(2.40)
8
1
28
27
23
22
32
31
12.7 (0.50)
48.26 (1.900)
50.80
(2.000)
22.86
(0.900)
3.81 (0.150)
typ
15.24
(0.600)
7.5
(0.30)
typ
5.1
(0.20)
typ
4.1
(0.16)
typ
Notes:
1. All dimensions in mm and (inches)
2. Baseplate must be connected to protective earth
3. General tolerance: .X 0.5 (0.02)
.XX 0.25 (0.010)
4. Surface Flatness: Concave 0.12mm max
Convex 0.38mm max
3.81 (0.150)
R3.8 (0.15)
typ
5
4
15.24 (0.600)
Load
+ SENSE
SENSE
+ O/P
O/P
36 to 72V
or
180 to 400V
+ I/P
I/P
5
4
1
8
Output voltage adjust
Enable (close to enable)
Temperature monitor output
Current monitor output
(e.g. to fan control circuit)
(e.g. to load indicator)
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