20 Watts xppower.com CU20 Series • Low Cost • Small Size • Universal Input • Single Outputs from 3.3 V to 24 V • Peak Load Capability • Low Profile • Non-standard Outputs Available Specification Input General Input Voltage • 85-264 VAC (120-370 VDC) Efficiency • Measured with 230 VAC & 100% load (See table) Input Frequency • 47-63 Hz Isolation • 3000 VAC Input to Output Input Current • 0.25 A rms at 230 VAC 1500 VAC Input to Ground Inrush Current • 20 A at 115 VAC, 40 A at 230 VAC, 500 VAC Output to Ground cold start +25 ºC Switching Frequency • 67 kHz typical Earth Leakage Current • <1.5 mA 3 Power Density • 3.91 W/In Input Protection • 2 A fuse MTBF • >500 kHrs per MIL-HDBK-217F (15 & 24 V units >400 kHrs) Output Output Voltage • See table Environmental Output Voltage Trim • ±5% Operating Temperature • 0 ˚C to +65 ˚C, derate from 100% load at Initial Set Accuracy • ±1% +45 ˚C to 0% at +65 ˚C Minimum Load • No minimum load required Cooling • Convection-cooled Start Up Delay • 1.5 s max Operating Humidity • 95% RH, non-condensing Start Up Rise Time • 14 ms max Storage Temperature • -20 ˚C to +85 ˚C Hold Up Time • 16 ms typical at full load & 115 VAC Operating Altitude • 3000 m Drift • ±0.6% Vibration • 10 Hz to 500 Hz, 2 g for 10 mins/cycle Line Regulation • ±0.5% max 60 min each cycle Load Regulation • ±1.0% max EMC & Safety Transient Response • 4% max deviation, recovery to within 1% in 500 μs for 25% load change Emissions • FCC20780 Level B, Ripple & Noise • 1% max pk-pk (see note 1) EN55022 Class B conducted Overvoltage Protection • 130-150% of Vnom, recycle input to reset ESD Immunity • EN61000-4-2, level 3, Perf Criteria A Short Circuit Protection • Trip and restart (Hiccup mode) Radiated Immunity • EN61000-4-3, level 3, Perf Criteria A Temperature • 0.05%/˚C EFT/Burst • EN61000-4-4, level 2, Perf Criteria A Coefficient Surge • EN61000-4-5, level 3, Perf Criteria A Conducted Immunity • EN61000-4-6, 10 V, Perf Criteria A Dips & interruptions • EN61000-4-11, 30% 10 ms, 60% 1000 ms, 100% 5000 ms, Perf Criteria A, B, B Safety Approvals • EN60950-1, UL60950-1, CSA22.2 No. 60950-1, CE Mark LVD AC-DC AC-DC CU20 Models and Ratings Output Current Output Output Efficiency Model (3) Power Voltage (2) (typical) Number Nominal Peak 15 W 3.3 VDC 4.40 A 6.60 A 70% CU20-00†^ 5.0 VDC 4.40 A 6.60 A 73% CU20-10†^ 9.0 VDC 2.44 A 4.00 A 77% CU20-09† 20 W 12.0 VDC 1.80 A 2.70 A 80% CU20-12†^ 15.0 VDC 1.40 A 2.10 A 80% CU20-13†^ 24.0 VDC 0.92 A 1.40 A 82% CU20-14†^ Notes 1. Measured at 20 MHz bandwidth. 3.3 V models are 50 mV maximum. 2. Peak load lasting <30 s with a maximum duty cycle of 10%. 3. Alternative output voltages available. Consult sales. † Available from Farnell. See pages 204-206. ^ Available from Newark. See pages 207-208. Mechanical Details 0.13 (3.30) (4 PL) L (+) Vout N (-) Vout 0.15 (3.81) V Adj. 3.20 (81.28) 3.50 (88.90) weight: 0.220 lb (60 g) Notes 1. All dimensions shown in inches (mm). 2. CU20 input connector mates with Molex housing 09-50-3031 and Molex 2878 series crimp terminal. Output connector mates with Molex housing 90-50-3041 and Molex 2878 series crimp terminal. 3. CU20 cable harnesses with 300mm wire available. Order part number CU20 LOOM KIT †. 4. For mating connectors only, order part number CU20-60 CONKIT †. 5. Covers available. Order part number CU20 COVER † - 4.02” x 2.52” x 1.34” (102 x 64 x 34mm). To receive unit with cover fitted, add suffix ‘-C’ to model number. 17-Apr-07 2.00 (50.80) 1.70 (43.18) 0.150 (3.81) 0.80 (20.32)