POWER CPS250-M Series 250 Watt AC-DC Power Supplies Data Sheet Total Power: 250 Watts Input Voltage: 90 - 264 V # of Outputs: Single SPECIAL FEATURES Designed for forced air and natural convection cooling Medical and ITE safety approvals, 2x MOPP Electrical Specifications Dual fused Input Type BF ready Input voltage range 90 - 264 Vrms Active Power Factor Correction, 61000-3-2 compliant Frequency 47 - 63 Hz (360 - 440 Hz with higher leakage) Inrush current 70 Apk, < 1 ms, cold start Built-in Class B EMI filter Efficiency 93% typical Less than 1U high Leakage current Specified for medical approvals LPX100 enclosure kit available No load power < 500 mW <500 mW no-load power consumption Output Maximum power 250 W, forced-air cooling 155 W, free-air natural convection Adjustment range -0% / +10% Holdup time 10 ms @ 225 W Fan output 12 V @ 500 mA SAFETY Standby output 5 V @ 100 mA (For CPS253-M1 only) EN 60950-1 / 60601-1 Control and Protection UL 60950-1 / 60601-1 Remote On/Off For CPS253-M1 only CSA DC OK For CPS253-M1 only CE LVD Mark Overvoltage protection Latching/AC Recycle required to restart PSU CCC Overcurrent protection Auto-recovery Short circuit protection Auto-recovery (impedance <50 mOhm Overtemperature protection Auto-recovery with hysteresis For use in Class I or Class II applications Three-year warranty (consult factory for extended terms) CPS250-M Series Data Sheet Environmental Specifications Operating temperature -20 °C to +70 °C (derate at 50 °C), startup at -40 °C Storage temperature -40 °C to +85 °C Operating humidity 5% to 90% (non-condensing) Non-operating humidity 5% to 95% (non-condensing) Maximum altitude 5000 m (3000 m for medical), derating may apply Other Specifications Isolation 4000 Vac (input to output) 1500 Vac (input to PE; output to PE) Line harmonics 61000-3-2, Class A Conducted EMI* Level B, CISPR 22 and FCC Part 15 Radiated EMI* Level B, CISPR 22 and FCC Part 15 Surge immunity Level 3, 61000-4-5, Criterion A Medical EMC 60601-1-2, Edition 4 (cover may be required for some tests) MTBF (Telcordia, Issue 3, Method 1 Case 3) > 2.2 MHrs, 25 °C, 155 W Natural Convection, 115 VAC > 5.1 MHrs, 25 °C, 250 W Forced Air, 115 VAC *Applies to Class I input with ground tabs tied to a common ground plane and connected to system ground. Consult Technical Reference Notes for details. Pin Assignments Connector Designation Mating Conectors 1 3 Mounting Holes AC Input L1/Line AC Input L2/Neutral PE Molex 09-50-8031 housing with 45570-3000 crimp or equivalent. Use AWG 20-18 wires. J0 (DC Output) 1 2 3 4 5 6 Main Output Return Main Output Return Main Output Return Main Output Main Output Main Output Molex 09-50-8061 housing with 45570-3000 crimp or equivalent. Use AWG 20-18 wires. BusBar (DC Output) Applies to 12 V variant only. 1 2 Main Output Main Output Return Ring terminal: Tyco 35148 or KST RV3-4 or equivalent. J2 (Fan Supply) 1 2 Fan Return Fan Voltage Cvilux CI0102S0000 housing; CI01T01MPP0 crimp; AWG 30-24. 1 2 3 4 5 5 Vdc Standby Standby Return Remote Inhibit DC OK VFB (feedback loop pin) Molex 504193-0500 with 504185-1000 crimp or equivalent. Use AWG 30-26 wires. J5 (AC Input) J403 Applies to CPS253-M1 only Pin Number CPS250-M Series Data Sheet Mechanical Drawings - 12 V Variant ASSY-J0 Vo(+) 32.77MAX 2.5MAX 50.8 0.3 (2X)43.8 0.3 J2-PIN 1 (2X)3.5 0.1 (2X)3.5 Q501 SEE DETAIL A J2 C B B WARNING LABEL BARCODE 101.6 0.3 C12 (2X)94.6 0.3 C T501 L2 (4X) 4 MODEL LABEL J5 -PIN 1 INPUT J5 PREFERRED EARTH TIGHTENING TORQUE: 6.0-8.0Kgf-cm Vo (-) Vo (+) VR1 TRIMPOT FOR OUTPUT ADJUSTABILITY CLOCKWISE: INCREASING OUTPUT VOLTAGE VR2 TRIMPOT FOR OCP LIMIT ADJUST FULL CLOCKWISE: 250W FULL COUNTERCLOCKWISE: 155W CPS250-M Series Data Sheet Mechanical Drawings - 24 V and 48 V Variants Vo(+) 32.77MAX 2.5MAX 50.8 0.3 (2X)43.8 0.3 (2X)3.5 0.1 (2X)3.5 0.1 J2-PIN 1 ASSY-J0 J2 BARCODE C12 (2X)94.6 0.3 101.6 0.3 WARNING LABEL T501 L2 4 MODEL LABEL VR1 TRIMPOT FOR OUTPUT ADJUSTABILITY CLOCKWISE: INCREASING OUTPUT VOLTAGE J5 -PIN 1 INPUT J5 PREFERRED EARTH VR2 TRIMPOT FOR OCP LIMIT ADJUST FULL CLOCKWISE: 250W FULL COUNTERCLOCKWISE: 155W CPS250-M Series Data Sheet Mechanical Drawings - CPS253-M1 Vo(+) 32.77MAX 2.5MAX ASSY-J0 50.8 0.3 (2X)43.8 0.3 J2-PIN 1 (2X)3.5 0.1 (2X)3.5 0.1 C J2 WARNING LABEL 94.6 0.3 101.6 0.3 J403 PIN 1 BARCODE C12 T501 L2 4 A MODEL LABEL J5 -PIN 1 INPUT J5 PREFERRED EARTH Notes: 1. OCP can not be adjusted on the fly. Default setting is for 250 W Forced Air. 2. Unit should be turned off before trimpot adjustment. 3. OCP does not vary linearly with the trimpot adjustment. It is either Full clockwise (250 W) or Full counter clockwise (155 W). TIGHTENING TORQUE: 6.0-8.0Kgf-cm 4. Thermal Hot Spot Reference - Do not exceed indicated temperature limits to ensure operation is within the conponent thermal derating limits. Measure the component temperatures using K type thermocouples. Thermal Hot Spot Reference Component Temperature Limit L2 135 °C T501 145 °C Q501 120 °C C12 95 °C Vo (-) Vo (+) VR1 TRIMPOT FOR OUTPUT ADJUSTABILITY CLOCKWISE: INCREASING OUTPUT VOLTAGE VR2 TRIMPOT FOR OCP LIMIT ADJUST FULL CLOCKWISE : 250W FULL COUNTERCLOCKWISE: 155W CPS250-M Series Data Sheet Output Power Derating Output Power Derating Output Power VS. Input Line 300 275 250 Output Power [Watts] Output Power [Watts] 250 200 150 100 50 200 175 150 FORCED AIR 125 NATURAL CONVECTION 100 0 0 225 10 20 30 40 50 60 70 FORCED AIR NATURAL CONVECTION 75 80 90 Ambient Temperature [°C] 110 130 150 170 190 210 230 250 270 AC Input Line [Vac] Figure 1. Output Power vs. Ambient Temperature at Natural Convection and Forced Air Cooling [300 LFM]. Figure 2. Output Power vs. Input Line at Natural Convection and Forced Air Cooling [300 LFM]. Efficiency Curves CPS255‐M (24V) Efficiency Curve 96% 95% 95% 94% 94% 93% 93% 92% 92% Efficiency Efficiency CPS253‐M (12V) Efficiency Curve 96% 91% 90% 89% 91% 90% 89% 115 Vac 88% 87% 115 Vac 88% 230 Vac 230 Vac 87% 86% 86% 0 0.2 0.4 0.6 0.8 1 0 0.2 0.4 % of Rated Output Load 0.6 0.8 1 % of Rated Output Load Figure 3. Typical Efficiency for 12 V Output Figure 4. Typical Efficiency for 24 V Output CPS258‐M (48V) Efficiency Curve Natural Convection Estimated Service Life vs Component Temp 150 96% 95% 94% 100 92% 91% Lifetime (KHrs) Efficiency 93% Estimated Life 90% 89% 50 115 Vac 88% 230 Vac 87% 86% 0 0.2 0.4 0.6 % of Rated Output Load 0.8 1 0 110 100 90 80 70 60 C12 Temperature [ °C] Figure 5. Typical Efficiency for 48 V Output Figure 6. Estimated product useful life based on C12 (bulk capacitor) case temperature 50 CPS250-M Series Data Sheet Ordering Information Model number Output voltage Minimum load Max. Continuous Load (Free Air) Peak Load (Free Air)1 Max. Continuous Load (Forced Air)2 Regulation3 Ripple (p-p)4 CPS253-M 12 V 0A 12.92 A 15.5 A 20.83 A ±2% 120 mV CPS253-M1 12 V 0A 12.92 A 15.5 A 20.83 A ± 2% 120 mV CPS255-M 24 V 0A 6.45 A 7.74 A 10.42 A ±2% 240 mV CPS258-M 48 V 0A 3.23 A 3.88 A 5.21 A ± 2% 480 mV 1 Peak Load current not to exceed 30 seconds with maximum 10% duty cycle. 2 Requires at least 300 LFM of airflow. 3 At 25 °C including factory setpoint, Line voltage and Load current variations. 4 Peak to peak ripple measured at the output terminals with 10µF tantalum capacitor in parallel with 0.1µF ceramic capacitor across the output & at 25 °C and output load≥ 6W. 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