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| A300ERU Series Low Cost, 4:1 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 * 4:1 Input Voltage Range * 1,500 VDC Isolation * -40C to +85C Temp Range * Compact DIP Case * Single & Dual Outputs * 1.0 MH MTBF * Industry Standard Pin-Out * Low, Low Cost! Input Parameter Input Voltage Range (See Note 1) Input Filter Short Circuit Input Power Conditions 24 VDC Input 48 VDC Input Min. 9.0 18.0 Typ. 24.0 48.0 2,000 Conditions See Note 2 Dual Output , Balanced Loads Vin = Min to Max Iout = 10% to 100% See Note 3 120 0.03 Continuous (Autorecovery) Conditions 60 Seconds 500 VDC Min. 1,500 1,000 100 300 Conditions Ambient Min. -40 -55 Free Air Convection RH, Non-condensing 95 % Typ. Max. +85 +125 Typ. Max. Units VDC M pF kHz Units C C Min. Typ. 1.0 3.0 0.2 0.5 75 0.5 1.0 150 Max. 3.0 Max. 36.0 72.0 Units VDC Capacitors mW Units % % % % mV P - P % %/C Output Parameter Output Voltage Accuracy Output Voltage Balance Line Regulation Load Regulation Ripple & Noise (20 MHz) Output Power Protection Temperature Coefficient Output Short Circuit General Parameter Isolation Voltage Isolation Resistance Isolation Capacitance Switching Frequency Environmental Parameter Operating Temperature Range Storage Temperature Range Cooling Humidity Physical Case Size (See Note 4) Case Material (See Note 4) 1.25 x 0.80 x 0.37 Inches (31.8 x 20.3 x 9.5 mm) Non-Conductive Black Plastic (UL94V-0) 0.52 Oz (15g) Conditions MIL HDBK 217F, 25C, Gnd Benign Conditions 24 VDC Input 48 VDC Input 1.5 mm From Case For 10 Sec All Models Min. 1.0 Min. -0.7 -0.7 Typ. Max. 40.0 80.0 300 2,500 Typ. Max. Units MHours Units VDC C mW 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 Weight Reliability Specifications Parameter MTBF Absolute Maximum Ratings Parameter Input Voltage Surge (1 Sec) Lead Temperature Internal Power Dissipation Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings. www.micropowerdirect.com Model Selection Guide Model Number A301ERU A302ERU A303ERU A304ERU A305ERU A306ERU A307ERU A311ERU A312ERU A313ERU A314ERU A315ERU A316ERU A317ERU Voltage (VDC) Nominal 24 24 24 24 24 24 24 48 48 48 48 48 48 48 Range 9.0 - 36.0 9.0 - 36.0 9.0 - 36.0 9.0 - 36.0 9.0 - 36.0 9.0 - 36.0 9.0 - 36.0 18.0 - 72.0 18.0 - 72.0 18.0 - 72.0 18.0 - 72.0 18.0 - 72.0 18.0 - 72.0 18.0 - 72.0 Input Current (mA) www.micropowerdirect.com Output Fuse Rating Reflected Efficiency Slow-Blow Current Ripple Voltage Current (%, Typ) (mA) (VDC) (mA, Max) (mA, Min) Full-Load No-Load Current (mA, Typ) 169 164 157 157 164 157 157 84 80 78 78 82 78 78 16 16 16 16 16 16 16 8 8 8 8 8 8 8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 3.3 5.0 12.0 15.0 5.0 12.0 15.0 3.3 5.0 12.0 15.0 5.0 12.0 15.0 909 600 250 200 300 125 100 909 600 250 200 300 125 100 90.0 60.0 25.0 20.0 30.0 12.0 10.0 90.0 60.0 25.0 20.0 30.0 12.0 10.0 74 76 80 80 76 80 80 74 78 80 80 76 80 80 750 750 750 750 750 750 750 500 500 500 500 500 500 500 For models with a metal case, add an "M" to the model number (ie: A315ERUM) Notes: 1. Exceeding the input range by a significant margin may damage the units. For 24V input the input voltage should not exceed 40V; for 48V models it should not exceed 80V. 2. Voltage accuracy for the negative output on Dual output models is typically 3% with a max of 5%. 3. Maximum ouput noise for dual output units is 150 mV P-P. When measuring output ripple, it is recommended that an external 0.33 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. 4. The optional metal package is nickel plated steel. The dimensions of the metal package are 1.25 x 0.80 x 0.39 Inches (31.8 x 20.3 x 10.0 mm). 5. These units should not be operated with a load under the specified minimum. Operation at no-load will increase ripple significantly and may cause damage to the unit. 6. These converters are specified for operation without external components. However, in some applications the addition of input/output capacitors will enhance stability and reduce output ripple. Recommended capacitor values are: Vin: 10 F - 47 F Vout: 10 F/100 mA For applications requiring very low output noise levels, a simple LC filter should be effective. 7. The maximum load capacitance is: Derating Curve Mechanical Dimensions Vout 3.3 VDC 5 VDC 12 VDC 15 VDC Maximum Load Capacitance 2,200 F 1,000 F 470 F 330 F Vout 5 VDC 12 VDC 15 VDC Maximum Load Capacitance 2,200 F 1,000 F 470 F 8. It is recommended that a fuse be used on the input of a power supply for protection. See the Model Selection table above for the correct rating. Pin Connections Pin Single Dual 2, 3 -Vin -Vin 9 NC Common 10 NC NC 11 NC -Vout 14 +Vout +Vout 15 NC NC 16 -Vout Common 22, 23 +Vin +Vin NC: No Connection Mechanical Notes: MicroPower Direct We Power Your Success - For Less! 292 Page Street Ste D Stoughton, MA 02072 * * All dimensions are typical in inches (mm) * Tolerance x.xx = 0.01 (0.25) TEL: (781) 344-8226 * FAX: (781) 344-8481 * E-Mail: sales@micropowerdirect.com |
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