eF306 Series Universal Input Power Factor Corrected 300 Watt Switchers Features: • Ultra-small 6.8" x 3.86" x 1.4" size • 85% typical efficiency • Active power factor correction (PFC) • Up to 4 outputs • +5V Standby • 48VDC input optional • Remote sense (V1, V2) • Single-Wire Forced Current Sharing (V1, V2) • Optional O-Ring diodes (V1,V2) • Power OK • Inhibit • UL, cUL, TUV, CE The eF306 series are the industry's smallest open frame switchers that deliver up to 300W continuous or 340W The very high efficiency and power density results from peak from one to four outputs. The supply includes active the use of advanced component and circuit technologies power factor correction and 90-250Vac universal input, such as synchronous rectification, low profile making it ideal for use worldwide. transformers and SMT components. Available models Output Current Ratings 1 2 3 4 Model Number Output Output Voltage Min Max Max (I) Peak m V1 +5V 0A 20A 40A 45A V2 +12V 0A 6A 12A 15A eF306-401 V3 +12V 0A 1.5A 4A 5A V4* -5V 0A 1A 1.5A 2A V1 +5V 0A 20A 40A 45A V2 +5V 0A 15A 30A 35A eF306-427 V3 +12V 0A 1.5A 4A 5A V4* -12V 0A 1A 1.5A 2A V1 +5V 0A 20A 40A 45A V2 +3.3V 0A 20A 40A 45A eF306-433 V3 +12V 0A 1.5A 4A 5A V4* -12V 0A 1A 1.5A 2A V1 +2.5V 0A 20A 50A 55A V2 +3.3V 0A 20A 40A 45A eF306-487 V3 +12V 0A 1.5A 1.5A 2A V4* +5V 0A 1A 3A 3.3A V1 +1.5V 0A 20A 50A 55A V2 +3.3V 0A 20A 40A 45A eF306-489 V3 +12V 0A 1.5A 4A 5A V4* -12V 0A 1A 1.5A 2A eFO306-133 V1 +3.3V 0A 25A 50A 55A eFO306-112 V1 +12V 0A 14A 29A 34A eFO306-115 V1 +15V 0A 11A 23A 30A eFO306-124 V1 +24V 0A 8.3A 14.5A 16A eFO306-128 V1 +28V 0A 6A 12.5A 14A eFO306-148 V1 +48V 0A 4.1A 7.2A 8A * V4- Floating DIGITAL POWER CORPORATION 41920 CHRISTY STREET FREMONT CALIFORNIA 94538-3158 TEL: 510-657-2635 TOO FREE: 866-344-7697 FAX: 510-657-6634 WWW.DIGIPWR.COM 1. No minimum load required to maintain stated regulation. 2. Convection cooling. 3. Forced air cooling. 4. Peak output, 30 sec max 5. V1, V2 outputs tied together & I share bus outputs tied together. Note: Add “O” to series prefix for optional O-Ring diodes, example EFO306-XXX Input 90-250VAC rated Input Voltage Range 85-265VAC Max. operation Input Frequency 47 to 440Hz Input Operating Current 4.2A rms @ 90Vac, 300W output Inrush Current 50A max, cold start @ 25ºC, 250Vac Efficiency 82% typ at 115Vac full load, 85% typ at 230Vac full load Power Factor 0.98 typ at 230Vac full load, 0.99 typ at 115Vac full load Input protection Internal Line Fuse IEC type 6.3A 250Vac SLO BLO Brown Out 75 to 300Vac Output 150W free convection cooling (base plate cooling) Output Power 300W forced air cooling (250LFM, or 15CFM min.) 340W peak +5V Standby +5V@ 50mA max. Line Regulation ± ± 0.1% for Vin (Min) to Vin (Max). ± ± V1 & V2 ± ± ± ± 0.5% for load change from zero to full load Load Regulation V3 & V4 ± ± ± ± 2% for 10% to 100% of Im on V1 & V2 ± ± ± ± 5% for 0% to 100% of Im on V1 & V2 V1 - 75 mVp-p Max. Ripple and Noise V2 - 50 mVp-p Max. V3 & V4 - 120mVp-p Max Output voltage adjustment range V1& V2 only ± ± ± ± 10% Initial setp point tolerance 5.1 ± ± ± ± 20mV 3.35 ± ± ± ± 10mV Overshoot & Undershoot Less than 1% at turn ON-OFF ± ± ± ± 5% Max. deviation for load change of 25% to 75% , at slew rate of Transient Load Response 1A/usec, recovery time less then 500Msec Turn-on delay 2 sec. Maximum Hold-Up Time 20msec minimum at 110Vac and full load Turn-On Rise Time 20Msec Max Turn-On Sequencing All outputs same time with priority to the 5V DIGITAL POWER CORPORATION 41920 CHRISTY STREET FREMONT CALIFORNIA 94538-3158 TEL: 510-657-2635 TOO FREE: 866-344-7697 FAX: 510-657-6634 WWW.DIGIPWR.COM V1 & V2 120 to 130% of Im, constant current limit, automatic recovery Overcurrent Protection V3 & V4 120 to 180% of Im constant current limit, automatic recovery V1, V2 & V3 outputs shut down at 125% of nominal, AC input must Overvoltage Protection recycled to reset Shutdown due to excessive internal temperature 90 to 97° ° ° °C (base plate) Temperature Protection automatic recovery Current Share Available on V1 & V2 only N+1 single wire Hot-Swap Internal O-Ring diode optional V1 & V2 only compensate for voltage drops of up to 0.5V. Outputs are Remote Sense internally sensed if loads open Control Enhibit Active low, all outputs shut down Power OK Open collector active low when any of the outputs drop below 10%. Environmental Operating: -5° °C to +50° °C (derating linearly to 70 ° °C with 50% derating). ° ° ° ° ° ° Temperature -40° ° ° °C to +50° ° ° °C optional Storage: -25° ° ° °C to +85° ° ° °C Temperature Coefficient 0 to 70° ° ° °C ± ± ± ± 0.02%/° ° ° °C 150W free convection cooling (base plate cooling). Cooling 300W,340W peak forced air cooling (250LFM, or 15CFM min.) Humidity Maximum 5% to 95% RH non-condensating Altitude Operating 10,000 ft. Non- operating 40,000 ft Three orthogonal axes at 1 octave/min, 5 min dwell at four major resonances Vibration at 0.75G peak, 5Hz to 500Hz Input to case: 1500VAC Dielectric Withstand Input to output: 3000VAC Output to case: 500 VDC UL 1950 CSA C22.2 -234, LEVEL 3, EN-60950, CLASS 1, SELV., TUV Safety Agency Compliance CE - MARK Leakage current 1mA 300,000 hours minimum per BELCORE 332, issue 6 specification @ 30 MTBF degrees C. (Max. junction temperature 110° ° ° °C ,Capacitors 105° ° ° °C) Mechanical Dimensions Size 173 x 98 x 35.5(mm) (6.8” x 3.85” x 1.4”) Weight 850 gr. Max. (31.5 oz) Specifications are typical at 25ºC unless otherwise designated DIGITAL POWER CORPORATION 41920 CHRISTY STREET FREMONT CALIFORNIA 94538-3158 TEL: 510-657-2635 TOO FREE: 866-344-7697 FAX: 510-657-6634 WWW.DIGIPWR.COM Multi-Output Mechanical Drawing Single Output Mechanical Drawing Specifications are subject to change without prior notice DIGITAL POWER CORPORATION 41920 CHRISTY STREET FREMONT CALIFORNIA 94538-3158 TEL: 510-657-2635 TOO FREE: 866-344-7697 FAX: 510-657-6634 WWW.DIGIPWR.COM