MicroPower
Direct
3W, Ultra-Wide Input
Key Features
High Isolation
ꢀ4:1 Input Range
ꢀ3W Output Power
ꢀ3.5 kVDC I/O Isolation
ꢀ Single & Dual Outputs
DC/DC Converters
A300RUI Series
ꢀTight Line/Load Regulation ꢀ Low Cost
Electrical Specifications
Specifications typical @ +251C with nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Input
Parameter
Conditions
24 VDC Input
48 VDC Input
Min.
4.5
8.5
Typ.
6.0
12.0
Max.
8.5
17.0
Units
Input Start Voltage
VDC
Input Filter
π (Pi) Filter
Short Circuit Input Power
2,000
mW
Output
Parameter
Output Voltage Accuracy
Output Voltage Balance
Line Regulation
Load Regulation
Ripple & Noise (20 MHz)
Output Power Protection
Transient Recovery Time (Note 1)
Transient Response Deviation
Temperature Coefficient
Output Short Circuit
General
Conditions
Min.
Typ.
!0.5
!0.5
!0.2
!0.2
Max.
!1.0
!1.0
!0.5
!0.5
60
Units
%
%
%
%
mV P - P
%
µSec
%
Dual Output , Balanced Loads
Vin = Min to Max
Iout = 10% to 100%
120
150
500
25% Load Step Change
!2.0
!0.01 !0.02
%/1C
Continuous
Min.
60 Seconds 3,500
500 VDC 1,000
100 kHz, 1V
Parameter
Conditions
Typ.
Max.
Units
VDC
MΩ
pF
mA
Isolation Voltage
Isolation Resistance
Isolation Capacitance
Leakage Current
Switching Frequency
Environmental
Parameter
Operating Temperature Range
Storage Temperature Range
Cooling
390
1.0
300
kHz
Conditions
Min.
-40
-40
Typ.
Max.
+85
+125
Units
1C
1C
Free Air Convection
Humidity
RH, Non-condensing
90
%
Physical
Case Size
Case Material
Weight
1.25 x 0.80 x 0.40 Inches (31.8 x 20.3 x 10.2 mm)
Metal with Non-Conductive Base
0.74 Oz (21g)
Reliability Specifications
Parameter
MTBF
Conditions
MIL HDBK 217F, 251C, Gnd Benign
Min.
950
Typ.
Typ.
Max.
Units
kHours
Absolute Maximum Ratings
Parameter
Conditions
24 VDC Input
48 VDC Input
All Models
Min.
-0.7
-0.7
Max.
50.0
100.0
2,500
Units
VDC
mW
Input Voltage Surge (1 Sec)
Internal Power Dissipation
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
MicroPower Direct ꢀ TEL: (781) 344-8226 ꢀ FAX: (781) 344-8481 ꢀ E-Mail: sales@micropowerdirect.com ꢀWEB: www/micropowerdirect.com