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A312ERW Datasheet(PDF) 2 Page - MicroPower Direct, LLC |
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A312ERW Datasheet(HTML) 2 Page - MicroPower Direct, LLC |
2 / 2 page Model Selection Guide Mechanical Dimensions Mechanical Notes: • All dimensions are typical in inches (mm) • Tolerance x.xx = ±0.01 (±0.25) • Leads are gold plated for improved solderability. Notes: 1. When measuring output ripple, it is recommended that an external 0.47 µF 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 µF 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 out- put. 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 Ω at 100 kHz) capacitor be mounted close to the converter. For 5V input units a 8.2 µF is recommended, for 12V input units, a 3.3 µF; and for 24V & 48V units a 1.5 µF. 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. Pin Connections Capacitive Load Model Number Input Output Efficiency (%, Typ) Fuse Rating Slow-Blow (mA) Voltage (VDC) Current (mA) Reflected Ripple Current (mA, Typ) Voltage (VDC) Current (mA, Max) Current (mA, Min) Nominal Range Full-Load No-Load A301ERW 5 4.5 - 9.0 857 40 100 5.0 600 60 70 1,500 A302ERW 5 4.5 - 9.0 811 40 100 12.0 250 25 74 1,500 A303ERW 5 4.5 - 9.0 811 40 100 15.0 200 20 74 1,500 A304ERW 5 4.5 - 9.0 811 40 100 ±12.0 ±125 ±12 74 1,500 A305ERW 5 4.5 - 9.0 811 40 100 ±15.0 ±100 ±10 74 1,500 A311ERW 12 9.0 - 18.0 329 20 30 5.0 600 60 76 700 A312ERW 12 9.0 - 18.0 313 20 30 12.0 250 25 80 700 A313ERW 12 9.0 - 18.0 313 20 30 15.0 200 20 80 700 A314ERW 12 9.0 - 18.0 313 20 30 ±12.0 ±125 ±12 80 700 A315ERW 12 9.0 - 18.0 313 20 30 ±15.0 ±100 ±10 80 700 A321ERW 24 18.0 - 36.0 162 5 15 5.0 600 60 77 350 A322ERW 24 18.0 - 36.0 154 5 15 12.0 250 25 81 350 A323ERW 24 18.0 - 36.0 154 5 15 15.0 200 20 81 350 A324ERW 24 18.0 - 36.0 154 5 15 ±12.0 ±125 ±12 81 350 A325ERW 24 18.0 - 36.0 154 5 15 ±15.0 ±100 ±10 81 350 A331ERW 48 36.0 - 75.0 81 3 10 5.0 600 60 77 135 A332ERW 48 36.0 - 75.0 77 3 10 12.0 250 25 81 135 A333ERW 48 36.0 - 75.0 77 3 10 15.0 200 20 81 135 A334ERW 48 36.0 - 75.0 77 3 10 ±12.0 ±125 ±12 81 135 A335ERW 48 36.0 - 75.0 77 3 10 ±15.0 ±100 ±10 81 135 Pin Single Dual 1, 24 +Vin +Vin 2, 23 NC -Vout 3, 22 NC Common 10, 15 -Vout Common 11, 14 +Vout +Vout 12, 13 -Vin -Vin NC: No Connection Single Output (µF Max) Dual Output (µF Max) 2,000 ±1,000 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 Derating Curve |
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