Astec Industry Standard
75 Watts
AA60A
Total Power:
Input Voltages:
No. of Outputs:
75 Watts
48V
Dual
Electrical Specs
Input
Input range
Input capacitance
Efficiency
Input reverse
Voltage protection
Input surge voltage
Input reflected ripple
36 to 75 VDC (48Vdc Nom.)
6.8mF (typical)
82% typical
Fuse recommended 3A.MB
100V for 100mS
<200mA (P-P)
Output
Voltage tolerance
+ 1% (Main)
Output 1; ±1.0%
Output 2 ; ±1%
Output 1; ±0.2%
Output 2 ; ±0.2%
Low Line - High Line @ Full Load
Output 1; ±0.5%
Output 2 ; ±0.5%
(10% to 100% load)
1A minimum load per rail required
100mV P-P(max)
+0.02%/°C (max)
Continuous - Power Cycle
Shutdown (latching)
4% Vo max recovery <100msec
(25% to 75% step load change)
400 kHz typical
Special Features
•
•
•
•
•
•
•
•
•
Output loadsharing
48VDC Input
Unencapsulated 2.3” x 2.4” x 0.50” pkg.
100°C Baseplate temperature
Trim feature, both rails
Industry standard pin-out
Enable (on/off)
Thermal protection
5.0V/3.3V dual outputs
Line regulation
Load regulation
Ripple/noise
Temperature coefficient
Short circuit protection
Overvoltage protection
Transient response
Switching frequency
Environmental
Operating case temperature range:
-40°C to +105°C
Storage temperature: -40°C to +105°C
Humidity: 5% to 100% (non-condensing)
Control
Enable
on =2.5 to 5.5Vdc or open circuit
off = 0 to 0.8Vdc
Ref. to -Vin. TTL compatible
<2ma.
Both outputs ±10% minimum
110°C typ (baseplate temperature)
Auto reset
1500 VDC
1 x 109 ohms
Input current (enable off)
Output trim
Thermal shutdown
Isolation
I/O isolation
Isolation resistance
Safety
UL
TUV
UL 1950 File E494367
CAN22.2-950
EN60950 File DE3-5117A
38
America’s (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (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
AA60A
Ordering Information
Input
Voltage
36 - 75VDC
36 - 75VDC
Note:
Output 1
Voltage
3.3V @ 19A
5.0V @ 15A
Output 2
Voltage
2.5V @ 19A
3.3V @ 15A
Model Number
AA60A-048L-033D025
AA60A-048L-050D033
Enable Function
"N" = negative logic enable (without "N" = positive enable)
Trim Feature
“-PI” suffix = IPD Trim equivalent
1. Maximum output power not to exceed 75W total for 5/3.3V version (15A).
2. The sum of output currents not to exceed 15amps for 5/3.3V (19A max for 3.3/2.5V).
3. Any output loading ratio within the maximum specified limits is possible.
Pin Assignments
Single Output
1. -Vin
2. Case
3. Enable (on/off)
4. Vin+
5. V2
6. Rtn (V2)
7. Trim (V2)
8. V1
9. Rtn (V1)
10. Trim (V1)
.5
[1207]
.20 MIN.
[5.0]
.040
[1.01]
DIA. TYP.
2.30
[58.4]
1.900
[48.26]
1
5
6
2
2.40
[61.0]
2.000
[50.80]
1.400
[35.56]
.600
[15.24]
3
7
.400
[10.16]
8
9
1.000
[25.40]
1.600
[40.64]
Notes:
1. 20MHz bandwidth. An external 2.2mf ceramic capacitor is
recommended to be placed from +V out to -V out.
2. Requires a 2.2mf, 100V film capacitor connected between +V in
and -V in to meet FCC class A and ETS300-386-1 requirements
for conducted noise.
3. All specifications are typical at nominal line, full load, and 25°C
unless otherwise noted.
4. All specifications subject to change without notice. Mechanical
drawings are for reference only.
5. Please refer to the Technical Reference Notes for more
information.
6. Warranty: 1 yr
Mounting
Inserts
M3 X .5 (4 places)
4
10
Astec Industry Standard
www.astec.com
39
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