process yellow 116 1375 1797 375 3405 313 2985 240 Embedded Power for Business-Critical Continuity 242 2607 Rev.11.25.08 136 Eighth-Brick IBC Series 1 of 3 652 IBC Eighth-Brick Series 2nd Generation IBC Total Power: 200 - 300W Input Voltage: 36 - 75Vdc Electrical Specifications Output Output setpoint accuracy: See table Line regulation: Low line to high line See table Special Features Load regulation: Full load to min. load See table Total error band IBC25AET4812 9.70 - 13.40 Vdc 48 V input with isolated 12 V (including setpoint, line, IBC20AES4812 11.52 - 12.48 Vdc output load and temperature): IBC17AEW4812 11.40 - 12.60 Vdc Ultra-high efficiency, 95.5% Minimum load: 0 A 12 V 25 A Unprecedented usable Overshoot: At turn on and turn-off None output power levels Undershoot: None High power density Ripple and noise: (See note 2) 60 mV pk-pk typ. 3 (362 W/in ) open-frame 5 - 20 MHz 20 mV rms typ. technology Wide operating ambient Input temperature range Input voltage range: See table Industry standard eighth- Input current: Remote OFF 6 mA typ. brick footprint and pinout Input current (max.): (See note 1) 6.9 A max. lo max. Low profile, 0.40 (10.2 mm) and Vin = min. rated Meets basic insulation Input reflected ripple: IBC25AET4812 550 mA (pk-pk) requirements of EN60950-1 (See note 4) IBC20AES4812 230 mA (pk-pk) Remote ON/OFF and over- IBC17AEW4812 230 mA (pk-pk) temperature protection Remote ON/Off: (see note 6) Available RoHS compliant Logic compatiblity: Open collector ref. to- input 2 year warranty On >2.4 Vdc OFF <0.4 Vdc Undervoltage lockout: Power-up 40 V IBC25AET4812: Power-down 38 V IBC20AES4812: Power up 35.2 V IBC17AEW4812: Power down 34 V Safety Startup time (see note 3): Power-up 15 ms UL/cUL 60950-1, 1st Edition Remote ON/OFF 5 ms EN 60950-1 VDEprocess yellow 116 1375 1797 375 3405 313 2985 240 242 Embedded Power for Business-Critical Continuity 2607 Rev.11.25.08 136 Eighth-Brick IBC Series EMC Charateristics 2 of 3 652 Immunity: ESD air enclosure: EN61000-4-2 8 kV, 6 kV (Air contact) Input transients: IBC25AET4812 60 V. 100 ms IBC20AES4812 60 V. 100 ms IBC17AEW4812 100 V. 100 ms Environmental Specifications Thermal Operating ambient temperature -40 C to +85 C performance: Non-operating -55 C to +125 C General Specifications Efficiency: See table Protection Basic insulation: Input/output 2250 Vdc Short-circuit: Hiccup Switching frequency: Fixed 600 kHz typ. Overvoltage: (See note 9) Non-latching Approvals and EN60950-1 VDE Thermal: 125 C hot spot standards (see note 5): UL/cUL60950-1 Material flammability: UL94V-0 Weight: 33 g (1.16 oz) MTBF Telcordia Tech SR-332 5,500,000 hours Representative model: 48 Vin, 40 C, 50% load ground benign All specifications are typical at nominal input, full load at 25 C unless otherwise stated. Ordering Information 2 Regulation (typical) Output Output Input Output Output Current Efficiency Power Current Model Number Set Point Voltage Voltage (Max.) (Typ.) Line % Load % (Max.) (Min.) Accuracy % 300 W 42 - 53 Vdc 12 V 0 A 25 A 95.5% --- +10, -12.5% 1.5% IBC25AET4812J 240 W 42 - 53 Vdc 12 V 0 A 20 A 94.5% 0.25% 0.3% -2/-1.5% IBC20AES4812J 200 W 36 - 75 Vdc 12 V 0 A 17 A 94.0% 0.25% 1.0% -3/+2% IBC17AEW4812J CAUTION: Hazardous internal voltages and high temperatures. Ensure that unit is not user accessible. Part Number System with Options (7, 8) Rated Output Form Factor Input Voltage Type Input Output Module Height Pin Length RoHS Compliance Product Family Remote ON/ Current Voltage Voltage Options OFF Logic IBC 17A E W 48 12 - R A N J A = Open-frame J = Pb-free 17 A = E = Eighth- T = Narrow Input 48 = 48 V 12 = 12 V Blank = Blank = 0.188 IBC Intermediate 0.40 in (10.2 (RoHS 6/6 17 Amps etc. Brick Fixed Ratio Positive (4.78 mm) Bus Converter mm) compliant) Q = Quarter- S = Narrow Input R = Negative N = 0.145 2nd Generation E = Open-rame, Y = RoHS 5/6 brick Semi-reguated (See Note 6) (3.68 mm) 0.45 in (11.4 compliant S = Sixteenth- N = Narrow Telecom K = 0.110 mm) brick Fixed Ratio (2.79 mm) W = Wide Telecom Semi-reguated Notes 1 Recommended input fusing is a 20 A HRC 250 V rated fuse. 6 Active-low remote ON/OFF option is also available. Please add the suffix -R 2 Measured with external filter. See Application Note 182 for details. to the part number, e.g. IBC17AEW4812-RAJ. 7 TSE RoHS 5/6 (non Pb-free) compliant versions may be available on special 3 Start-up into resistive load. request, please contact your local sales representative for details. 4 Peak to peak measured without external Pi filter. Significant reduction 8 NOTICE: Some models do not support all options. Please contact your local possible with external filter. See Application Note 182 for details. Sales representative or use the on-line model number search tool at