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A300ERW Series
Low Cost, Wide Input, 3W Single & Dual Output DC/DC Converters
Electrical Specifications
Specifications typical @ +25C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice.
Key Features:
* 3W Output Power * UL Approved (File E245422) * 2:1 Input Voltage Range * 1,500 VDC Isolation * Compact DIP Case * Single & Dual Outputs * Meets EN55022 Class A * 1.0 MH MTBF * Industry Standard Pin-Out * LOW COST!
Input
Parameter Input Start Voltage Input Filter Reverse Polarity Input Current Short Circuit Input Power Conditions Min. Typ. Max. 5 VDC Input 3.5 4.0 4.5 12 VDC Input 4.5 7.0 9.0 24 VDC Input 8.0 12.0 18.0 48 VDC Input 16.0 24.0 36.0 (Pi) Filter (Meets EN55022 Class "A") 1.0 1,000 1,500 Min. Typ. 0.5 0.5 0.2 0.2 45 Max. 2.0 2.0 0.5 0.5 50 100 15 500 5.0 0.02 Units VDC
A mW Units % % % % mV P - P mV P - P mV rms % Sec % %/C
Output
Parameter Output Voltage Accuracy Output Voltage Balance Line Regulation Load Regulation Ripple & Noise (20 MHz) (Note 1) Ripple & Noise (20 MHz) Ripple & Noise (20 MHz) Output Power Protection Transient Recovery Time (Note 2) Transient Response Deviation Temperature Coefficient Output Short Circuit Conditions Dual Output , Balanced Loads Vin = Min to Max Iout = 10% to 100% Over Line, Load & Temp. 120 25% Load Step Change 300 2.0 0.01 Continuous (Autorecovery) Min. 1,500 1,000 Typ.
General
RoHS Compliant
Parameter Isolation Voltage Isolation Resistance Isolation Capacitance Switching Frequency
Conditions 60 Seconds 500 VDC 100 kHz, 1V
Max.
500 300
Units VDC M pF kHz Units
C C C
Environmental
Parameter Operating Temperature Range Operating Temperature Range Storage Temperature Range Cooling Humidity RFI Conducted EMI Conditions Min. Typ. -40 +25 -40 -40 Free Air Convection RH, Non-condensing Six-Side Shielded Metal Case EN55022 Class "A" Ambient Case Max. +71 +90 +125 95
%
MicroPower Direct
292 Page Street Suite D Stoughton, MA 02072 USA T: (781) 344-8226 F: (781) 344-8481 E: sales@micropowerdirect.com W: www.micropowerdirect.com
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 (UL94-V0) 0.42 Oz (12g) Conditions Min. Typ. MIL HDBK 217F, 25C, Gnd Benign 1.0 UL 1950, EN 60950, IEC 60950 UL, cUL; File No. E245422 Conditions 5 VDC Input 12 VDC Input 24 VDC Input 48 VDC Input 1.5 mm From Case For 10 Sec All Models Min. -0.7 -0.7 -0.7 -0.7 Typ. Max. Units MHours
Reliability Specifications
Parameter MTBF Safety Standards Safety Approvals
Absolute Maximum Ratings
Parameter Input Voltage Surge (1 Sec) Lead Temperature Internal Power Dissipation Max. 11.0 25.0 50.0 100.0 260 2,500 Units VDC
C
mW
Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings.
Model Selection Guide
Model Number A301ERW A302ERW A303ERW A304ERW A305ERW A311ERW A312ERW A313ERW A314ERW A315ERW A321ERW A322ERW A323ERW A324ERW A325ERW A331ERW A332ERW A333ERW A334ERW A335ERW Voltage (VDC) Nominal 5 5 5 5 5 12 12 12 12 12 24 24 24 24 24 48 48 48 48 48 Range 4.5 - 9.0 4.5 - 9.0 4.5 - 9.0 4.5 - 9.0 4.5 - 9.0 9.0 - 18.0 9.0 - 18.0 9.0 - 18.0 9.0 - 18.0 9.0 - 18.0 18.0 - 36.0 18.0 - 36.0 18.0 - 36.0 18.0 - 36.0 18.0 - 36.0 36.0 - 75.0 36.0 - 75.0 36.0 - 75.0 36.0 - 75.0 36.0 - 75.0 Input Current (mA) Full-Load 857 811 811 811 811 329 313 313 313 313 162 154 154 154 154 81 77 77 77 77 Output Reflected Efficiency Current Ripple Voltage Current (%, Typ) (VDC) (mA, Max) (mA, Min) No-Load Current
(mA, Typ)
Fuse Rating Slow-Blow (mA) 1,500 1,500 1,500 1,500 1,500 700 700 700 700 700 350 350 350 350 350 135 135 135 135 135
40 40 40 40 40 20 20 20 20 20 5 5 5 5 5 3 3 3 3 3
100 100 100 100 100 30 30 30 30 30 15 15 15 15 15 10 10 10 10 10
5.0 12.0 15.0 12.0 15.0 5.0 12.0 15.0 12.0 15.0 5.0 12.0 15.0 12.0 15.0 5.0 12.0 15.0 12.0 15.0
600 250 200 125 100 600 250 200 125 100 600 250 200 125 100 600 250 200 125 100
60 25 20 12 10 60 25 20 12 10 60 25 20 12 10 60 25 20 12 10
70 74 74 74 74 76 80 80 80 80 77 81 81 81 81 77 81 81 81 81
Notes: 1. When measuring output ripple, it is recommended that an external 0.47 F ceramic capacitor be placed from the +Vout pin to the -Vout pin for single output units and from each output to common for dual output units. For noise sensitive applications, the use of 3.3 F capacitors will reduce the output ripple. 2. Transient recovery is measured to within a 1% error band for a load step change of 75% to 100%. 3. Operation at no-load will not damage these units. However, they may not meet all specifications. 4. Dual output units may be connected to provide a 24 VDC or 30 VDC output. To do this, connect the load across the positive (+Vout) and negative (-Vout) outputs and float the output common. 5. The converter should be connected to a low ac-impedance source. An input source with a highly inductive impedance may affect the stability of the converter. In applications where the converter output loading is high and input power is supplied over long lines, it may be necessary to use a capacitor on the input to insure start-up. In this case, it is recommended that a low ESR (ESR <1.0 at 100 kHz) capacitor be mounted close to the converter. For 5V input units a 8.2 F is recommended, for 12V input units, a 3.3 F; and for 24V & 48V units a 1.5 F. 6. It is recommended that a fuse be used on the input of a power supply for protection. See the table above for the correct rating.
Derating Curve
Mechanical Dimensions
Pin Connections
Pin 1, 24 Single +Vin NC NC -Vout +Vout -Vin Dual +Vin -Vout Common Common +Vout -Vin
Capacitive Load
Single Output Dual Output (F Max) (F Max) 2,000 1,000
2, 23 3, 22 10, 15 11, 14 12, 13
NC: No Connection Mechanical Notes:
* All dimensions are typical in inches (mm) * Tolerance x.xx = 0.01 (0.25) * Leads are gold plated for improved solderability.
MicroPower Direct
www.micropowerdirect.com
*
292 Page Street Ste D Stoughton, MA 02072
TEL: (781) 344-8226
*
FAX: (781) 344-8481
*
E-Mail: sales@micropowerdirect.com

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