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DC-DC High Power 50-200 Watts DCH Series
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THE XPERTS IN POWER
Upto 89% Efficiency * -40 C Operation * High Reliability * Industry Standard Package * Overcurrent Protection * -40% to +10% Adjustment * 2:1 Input Voltage Range
Specification
Input
Input Voltage * 18-36 VDC, 36-76 VDC
General
Efficiency Isolation * * 79-89% (See Tables) 1500 VDC Input to Output 1500 VDC Input to Ground 500 VDC Output to Ground 370 kHz (310 kHz DCH50) Contact Sales
Output
Output Voltage Output Voltage Adjustment Minimum Load Start Up Delay Initial Set Accuracy Drift Line Regulation Load Regulation Ripple & Noise Overvoltage Protection Overcurrent Protection Overtemperature Protection * * * * * * * * * * * * See Tables 60-110% (60-105% for input of 36-40 VDC & 18-20 VDC) No minimum load required 200 ms max (nom Vin & 100% load) -3/+5% typically 0.9% max See Table See Table 200-250 mV pk-pk depending on model 20 MHz bandwidth See Table recycle input to reset Operates at >105% of rated current auto recovery Baseplate >+100 C thermal protection is activated & output voltage is shutdown, after cooling recycle input to reset 0.03%/C max Compensates for 0.3 V line drop max, when not used the remote sense terminals must be connected locally Negative logic L: (or short) ON, H: (or open) OFF (for positive logic add suffix `-R' to model number)
Switching Frequency * Heatsinks *
Environmental
Operating Temperature Storage Temperature Humidity Operating Altitude Shock Vibration * * * * * * -40 C to +100 C baseplate -40 C to +100 C 20-95% RH non-condensing 9000 m 20 G, 11 ms once each along X, Y & Z axis 5 G 10-55 Hz 3 mins period for 60 mins each along X, Y & Z axis
EMC & Safety
Emissions * EN55022 Level B conducted EN55022 Level B radiated External components required Contact Sales for Application Note EN61000-4-4 Level 2 EN61000-4-3 Level 3 EN61000-4-4 Level 3 EN61000-4-5 Level 3 UL1950, c-UL, EN60950
Temperature Coefficient Remote Sense
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Remote ON/OFF
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ESD Susceptibility Radiated Susceptibility EFT/Burst Surge Safety Approvals
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OUTPUT VOLTAGE & CURRENT RATINGS
Output Voltage 1.8 V 2.5 V 3.3 V 5.0 V 12.0 V 15.0 V 24.0 V 28.0 V 1.8 V 2.5 V 3.3 V 5.0 V 12.0 V 15.0 V 24.0 V 28.0 V 1.8 V 2.5 V 3.3 V 5.0 V 12.0 V 15.0 V 24.0 V 28.0 V Notes Output Current 11.7 A 11.7 A 11.7 A 10.0 A 4.2 A 3.4 A 2.1 A 1.8 A 23.4 A 23.4 A 23.4 A 20.0 A 8.4 A 6.7 A 4.2 A 3.6 A 35.0 A 35.0 A 35.0 A 30.0 A 16.7 A 13.4 A 8.4 A 7.2 A OVP Set Point 2.16-2.88 V 3.00-4.00 V 4.00 - 5.50 V 5.70 - 7.00 V 13.80 - 16.80 V 17.25 - 21.00 V 27.60 - 33.60 V 32.20 - 39.20 V 2.16 - 2.88 V 3.00 - 4.00 V 4.00 - 5.50 V 5.70 - 7.00 V 13.80 - 16.80 V 17.25 - 21.00 V 27.60 - 33.60 V 32.20 - 39.20 V 2.16-2.88 V 3.00 - 4.00 V 4.00 - 5.50 V 5.70 - 7.00 V 13.80 - 16.80 V 17.25 - 21.00 V 27.60 - 33.60 V 32.20 - 39.20 V Regulation Line Load 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 24 mV 24 mV 30 mV 30 mV 48 mV 48 mV 56 mV 56 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 24 mV 24 mV 30 mV 30 mV 48 mV 48 mV 56 mV 56 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 10 mV 24 mV 24 mV 30 mV 30 mV 48 mV 48 mV 56 mV 56 mV Ripple & Noise Pk-Pk 120 mV 120 mV 200 mV 200 mV 200 mV 200 mV 250 mV 250 mV 120 mV 120 mV 200 mV 200 mV 200 mV 200 mV 250 mV 250 mV 120 mV 120 mV 200 mV 200 mV 200 mV 200 mV 250 mV 250 mV 18-36 VDC IN Efficiency Typ. Model Number 71% DCH5024S1V8 77% DCH5024S2V5 79% DCH5024S03 84% DCH5024S05 88% DCH5024S12 87% DCH5024S15 87% DCH5024S24 87% DCH5024S28 71% DCH10024S1V8 77% DCH10024S2V5 79% DCH10024S03 83% DCH10024S05 88% DCH10024S12 87% DCH10024S15 87% DCH10024S24 87% DCH10024S28 70% DCH20024S1V8 76% DCH20024S2V5 79% DCH20024S03 82% DCH20024S05 87% DCH20024S12 87% DCH20024S15 87% DCH20024S24 87% DCH20024S28
DCH
36-76 VDC IN Efficiency Typ. Model Number 71% DCH5048S1V8 77% DCH5048S2V5 80% DCH5048S03 85% DCH5048S05 89% DCH5048S12 88% DCH5048S15 88% DCH5048S24 88% DCH5048S28 71% DCH10048S1V8 77% DCH10048S2V5 80% DCH10048S03 84% DCH10048S05 89% DCH10048S12 88% DCH10048S15 88% DCH10048S24 88% DCH10048S28 70% DCH20048S1V8 76% DCH20048S2V5 80% DCH20048S03 83% DCH20048S05 88% DCH20048S12 88% DCH20048S15 88% DCH20048S24 88% DCH20048S28
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1. Install an external capacitor Cin, with more than 33 F, between +Vin and -Vin input pins for low line noise and for stable operation Tc= -20 C to +100 C electrolytic or, Tc= -40 C to +100 C ceramic capacitor. When the line impedance is high or the input voltage rises quickly at start-up (<10 s), install a capacitor Cin between +Vin and -Vin input pins (within 50 mm from pins). 2. Full application notes available at www.xpplc.com, alternatively contact Technical Sales.
Mechanical Details
Derating
Use with conduction cooling (e.g. heat radiation by conduction from the aluminium baseplate to the attached heatsink). NOTE: Derating curve shown is based on the aluminum baseplate temperature. In the hatched area, the specification of ripple & noise is different from other areas.
Connection For Standard Use
Baseplate Temperature : Tc = -20 C to +100 C VOUT 3.3 V 5V 12 V 15 V 24 V 28 V DCH50 2200 470 220 DCH100 2200 470 220 DCH200 2200 1000 470 Baseplate Temperature : Tc = -40 C to +100 C VOUT 3.3 V 5V 12 V 15 V 24 V 28 V DCH50 2200 x 2 470 x 2 220 x 2 DCH100 2200 x 2 470 x 2 220 x 2 DCH200 2200 x 2 1000 x 2 470 x 2
In order to use the converters, it is necessary to wire as shown. Short the following pins to turn the power supply on. -V in RC, +V out + Sense, -V out - Sense
C in : External capacitor on the input side >33 F Co : External capacitor on the output side - See Table CY : Primary decoupling capacitor - >4700 pF
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Rev 3.1

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