Astec Industry Standard
100Watts
ALH25-Dual
Ultra High Efficiency
Total Power:
Input Voltages:
No. of Outputs:
100 Watts
48 V
Dual
Electrical Specs
Input
Input range
Efficiency
Input reverse
Voltage protection
Input Surge voltage
36-75 VDC (48Vdc Nom.)
88% typical
Fuse recommended 3A.MB
100V for 100ms
Output
Voltage tolerance
Line regulation
Load regulation
Ripple/noise
Temperature coefficient
Transient response
Switching frequency
+/-1%
+/-0.2%
+/-0.5%
200mV P-P
+/-0.02%/°C (max)
3% Vo max recovery <500msec
(50% to 75% step load change)
250 kHz typical
Special Features
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100W Output loadsharing
48VDC input
Open frame 2.3”x2.4”x0.50”pkg.
-40°C to +120°Cboard temperature
Trim feature, both rails
Industry standard pin-out
Enable (on/off) (pos or neg logic)
OC, OV, OT protection
5.0V/3.3V dual outputs
Control
Enable
Input current (enable off)
Output trim
on = 1.2Vdc Max (Neg Enable)
off = 3Vdc Min (Neg Enable)
Ref. to -Vin. TTL compatible
<2ma.
Both outputs +/-10% minimum
Isolation
I/O isolation
1500Vdc
Environmental
Operating PCB temperature range:
-40°C to +120°C
Storage temperature: -55°C to +125°C
Weight: 80 grams
Safety
UL
TUV
UL 1950
CAN22.2-950
EN60950
1
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211
Asia (HK): 852-2437-9662
ASTEC [ Astec America, Inc ]
