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Key Features:  20W Output Power  4:1 Input Voltage Range  Compact 1 x 2 Inch Case  2,500 VDC Isolation  High Effi ciency  Single & Dual Outputs  Remote ON/OFF  Industry Standard Pin-Out B2000RUI Compact, High Isolation 4:1 Input Range, 20W DC/DC Con vert ers Series Input Parameter Conditions Min. Typ. Max. Units Input Filter /H9266 (Pi) Filter Reverse Polarity Input Current 2.0 A Short Circuit Input Power 3,500 mW Output Parameter Conditions Min. Typ. Max. Units Output Voltage Accuracy ±1.0 % Output Voltage Balance Dual Output , Balanced Loads ±0.5 % Line Regulation Vin = Min to Max ±0.5 % Load Regulation, Single Output Iout = 0% to 100% ±0.5 % Load Regulation, Dual Output Iout = 0% to 100% ±1.0 % Ripple & Noise (20 MHz) (Note 1) 75 mV P - P Output Power Protection 120 % Transient Recovery Time (Note 2) 25% Load Step Change 250 µSec Transient Response Deviation ±3.0 % Temperature Coeffi cient ±0.02 %/°C Output Short Circuit Continuous (Autorecovery) General Parameter Conditions Min. Typ. Max. Units Isolation Voltage (Input/Output) 60 Seconds 2,500 VDC Isolation Voltage (Case/Input(output) 1,600 VDC Isolation Resistance 500 VDC 1,000 M/H9024 Isolation Capacitance 100 kHz, 1V 1,200 pF Switching Frequency 330 kHz Environmental Parameter Conditions Min. Typ. Max. Units Operating Temperature Range Ambient -40 +25 +50 °C Operating Temperature Range Case +105 °C Storage Temperature Range -40 +125 °C Cooling Free Air Convection Humidity RH, Non-condensing 95 % RFI Six-Side Shielded Metal Case Physical Case Material Metal with Non-Conductive Base (UL94-V0) Weight 1.06 Oz (30g) Reliability Specifi cations Parameter Conditions Min. Typ. Max. Units MTBF MIL HDBK 217F , 25°C, Gnd Benign 560 kHours Absolute Maximum Ratings Parameter Conditions Min. Typ. Max. Units Input Voltage Surge (1 Sec) 24 VDC Input -0.7 50.0 VDC48 VDC Input -0.7 100.0 Lead Temperature 1.5 mm From Case For 10 Sec 260.0 °C Internal Power Dissipation All Models 4,500 mW Caution: Exceeding Absolute Maximum Ratings may damage the module. These are not continuous operating ratings. Electrical Specifi cations Specifi cations typical @ +25°C, nominal input voltage & rated output current, unless otherwise noted. Specifi cations subject to change without notice. www.micropowerdirect.com MicroPower Direct

292 Page Street

Stoughton, MA 02072 USA T: (781) 344-8226 F: (781) 344-8481 E: sales@micropowerdirect.com W: www.micropowerdirect.com

(VDC) Effi ciency (%, Typ) Max Capacitive Load (µF Max) Fuse Rating Slow-Blow (mA) Voltage (VDC) Current (mA) Voltage (VDC) Current (mA, Max) Current (mA, Min)Nominal Range Full-Load No-Load MicroPower Direct We Power Your Success - For Less! 292 Page Street Ste D Stoughton, MA 02072  TEL: (781) 344-8226  FAX: (781) 344-8481  E-Mail: sales@micropowerdirect.com www.micropowerdirect.comModel Selection Guide Mechanical Dimensions Mechanical Notes:

  • All dimensions are typical in inch es (mm)
  • Tolerance x.xx = ±0.01 (±0.25) Pin Single Dual Pin Single Dual 1 +Vin +Vin 4 Trim Common 2 -Vin -Vin 5 -Vout -Vout 3 +Vout +Vout 6 Remote On/Off Remote On/Off Pin Con nec tions Remote ON/OFF (Optional, see below) Parameter Min Max Units Supply On 3.0 12 or Open VDC Supply Off 0.0 1.2 VDC Standby Input Current 5 mA Typical Control Common Referenced to Neg. Input (pin 2) Notes: 1. When measuring output ripple, it is recommended that an external 1.0 µF ceramic capacitor be placed from the +Vout pin to the -Vout pin for single output units and from each output to common for dual output units. 2. Transient recovery is measured to within a 1% error band for a load step change of 75% to 100%. 3. Operation at no-load will not damage these units. However, they may not meet all specifi cations. 4. Dual output units may be connected to provide a 10 VDC, 24 VDC or 30 VDC output. To do this, connect the load across the positive (+Vout) and negative (-Vout) outputs and fl oat the output common. 5. With the addition of a simple input Pi fi lter, the unit should meet the conducted emissions requirements of EN55022 class A. Typical component values would be 2.2 µF/100V for the two capacitors and 12 µH for the inductor. The fi lter components should be mounted as close to the unit as possible. 6. It is recommended that a fuse be used on the input of a power supply for protection. See the table above for the correct rating. A simple external circuit may be used to adjust the converter output. To adjust the output DOWN, connect a 5%, 3W resistor between the plus output pin and the Vout trim pin. To adjust the output UP , connect a 5%, 3W resistor between the minus output pin and the Vout trim pin. For UP/Down trimming capability, con- nect a 10 kW potentiometer between the plus and minus outputs with the wiper arm connected to the Vout trim pin. Care should be taken that the maximum output power of the unit does not exceed the maximum rating. Output Trim (Single Output Models) Trim Down -5% -10% Units Vout = 11.400 10.800 VDC Rtrim - Down = 38.591 5.264 k/H9024 Trim Up +5% +10% Units Vout = 12.600 13.200 VDC Rtrim - Up = 63.489 22.094 k/H9024 Derating Curve