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USA: 1-888-41-ASTEC Europe (UK): +44(0)1384-842211 Asia (HK): 852-2437-9662
152
SPECIAL FEATURES
Ideal for telecom/networking
applications
High efficiency
Unencapsulated 2.0
”
x 2.0
”
x 0.50
”
package.
Integral heat spreader available
100
°
C Baseplate temperature
Enable (on/off)
Thermal protection
350kHz Switching frequency
Under voltage lockout
ENVIRONMENTAL
Operating case temperature range:
-40
°
C +100
°
C
Storage temperature: -40
°
C to +125
°
C
Humidity: 5% to 100%
SAFETY
UL
UL1950
CAN
CAN22.2-950
TUV
EN60950
ELECTRICAL SPECIFICATIONS
Input
Input range ............................9-18Vdc (12Vdc nominal)
18-36 Vdc (24 Vdc nominal)
36 - 75Vdc (48Vdc nominal)
Input capacitance ..................2
μ
F typical
Input reverse voltage.............Fuse recommended
protection
Input surge voltage................100V for 100mS (048L)
50V for 100mS (024L)
36V for 100mS (012L)
Input reflected ripple .............<10mA (P-P)
Undervoltage lockout ............Vin<32V (-048L ONLY)
Efficiency...............................82% typical
Output
Voltage tolerance ..................Main Output
See Note 2
±
1.0%
Aux Output
±
3.0%
Dual Output
±
2.0%
Line regulation.......................Main Output
±
0.1%
Aux Output
±
0.5%
Dual Output
±
0.2%
Load regulation .....................Main Output
±
0.75%
Aux Output
±
3.0%
(10% to 100% load) Note 6.
Dual Output
±
0.5%
Noise/ripple ...........................50mV P-P, Singles
100mVp-p, Dual , Triple
Short circuit protection ..........Continuous power cycle
Overvoltage protection ..........120% of V
, Typ
Transient response................2% Vo typ; recovery <500
μ
sec typ
(25% step load change to within 1%V
o
)
Temperature coefficient.........
±
0.2%/
°
C
Switching frequency ..............350kHz
Control
Enable ...................................on =2.5 to 5.5Vdc or open circuit
off = 0 to 0.8Vdc
Ref. to -Vin. TTL compatable
Input current (enable OFF)....<10ma
Output trim ............................Single output models
Thermal shutdown ................110
°
C Baseplate temperature (typ)
Auto reset
Isolation
I/O isolation ...........................1500Vdc
Isolation resistance ...............15 x 10
8
ohms
NOTES
All specifications are typical at nominal line, full load and 25
°
C
unless otherwise stated.
Specifications subject to change without notice.
AA25N
25 Watts
AA25N Series
Total Power
25 Watts
Input Voltages
12V, 24V 48V
# of Outputs
Single, Dual, Triple
"Includes 5V/ 3.3V Dual Output Model"
Load Sharing
AA25N-048L-050S Technical Manual - Click Here