Document
NDS Series: 10W / 3.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs
Product Specifications Nov 2001
Features
• • • • • • • • • • • Single board design 8.2 mm height profile Input/output isolation: 1500 Vdc Low conducted and radiated EMI Excellent co-planarity Output overcurrent protection Full rated output power at 100LFM airflow Operating temperature to 100°C Remote shutdown (primary referenced) Output voltage trim adjust, positive or negative rd UL, CSA and EN/IEC60950 (3 ed.) approvals pending
Applications
• • • • • Distributed power architectures Telecommunications equipment LAN/WAN applications Data processing Industrial applications
Description
The NDS series of converters are low profile, single output, DC/DC converters intended for SMT placement and reflow soldering. The product provides on-board conversion of standard telecom, datacom and industrial input voltages to isolated low output voltages. Proprietary patented manufacturing process ensures optimal quality with full process automation. These are high performance, cost effective converters with an extremely small PCB footprint.
Selection Chart
Model NDS03ZA-M6 NDS03ZB-M6 NDS03ZD-M6 NDS03ZE-M6 NDS02ZG-M6 Input voltage range, Vdc 36-75 36-75 36-75 36-75 36-75 Input current, max Adc 0.18 0.22 0.28 0.35 0.35 Output voltage, Vdc 1.5 1.8 2.5 3.3 5.0 Output rated current, Adc 3.0 3.0 3.0 3.0 2.0 Output ripple and noise, mVp-p 40 45 60 75 90 Efficiency, % 77 79 83 85 87
5-Nov-01
Rev 1.1 www.power-one.com
Page 1 of 14
NDS Series: 10W / 3.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Absolute Maximum Ratings
Product Specifications Nov 2001
Stresses in excess of the absolute maximum ratings may cause performance degradation, adversely affect long-term reliability and cause permanent damage to the converter. Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Input voltage (Vin) Transient Input Voltage (Vint) Operating CaseTemp. (Tc) Storage Temperature (Ts) ON/OFF Control Voltage (Vrc) Conditions/Description Continuous Transient, 100ms At 100% load Referenced to -Vin Min 36 -40 -55 -1.0 Max 75 100 100 120 5.5 Units Vdc Vdc °C °C Vdc
Environmental and Mechanical Specifications
Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Conditions/Description Min Nom Max Units Shock IEC68-2-27 100 g Sinusoidal Vibration IEC68-2-6 10 g Weight 0.4/10 oz/g Water Washing Standard process Yes N/A MTBF Per Bellcore TR-NWT-000332 2,500 kHrs
Isolation Specifications
Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Conditions/Description Min Nom Max Units Insulation Safety Rating Vin = 36 – 75Vdc Basic N/A Isolation Voltage (Vps) 1,500 Vdc Isolation Resistance (Rps) 10 MOhm Isolation Capacitance (Cps) 4,100 pF
Input Specifications
Specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. Parameter Conditions/Description Min Nom Max Units Input Voltage (Vin) Continuous 36 48 75 Vdc Input Current when Shutdown Vin.Nom, Remote Control 3 6 mAdc activated Turn-On Input Voltage 36-75 Vin Ramping Up, Io.Max 32 34 36 Vdc Turn-Off Input Voltage 36-75 Vin Ramping Down, Io.Max 30 32 34 Vdc Turn-On Time To Output Regulation Band 350 500 ms After Remote Control 1 5 ms Rise Time 1 5 ms Input Reflected Ripple Current Vin.Max, Io.Max 50 mAp-p Input Capacitance 1.4 µF
5-Nov-01
Rev 1.1 www.power-one.com
Page 2 of 14
NDS Series: 10W / 3.0A DC/DC Converters 36-75V Input 1.5V, 1.8V, 2.5V, 3.3V and 5.0V Outputs Output Specifications
Product Specifications Nov 2001
All specifications apply over input voltage, output load and temperature range, unless otherwise noted.
NDS03ZA : 1.5V/3.0A
Parameter Output Voltage Setpoint Accuracy Output Current Line Regulation Load Regulation Dynamic Regulation Peak Deviation Settling Time Output Voltage Ripple* Admissible Load Capacitance Output Current Limit Threshold Switching Frequency Temperature Coefficient Trim Range Vo Io Conditions/Description Vin.Nom, Io = 1.5A, 25°C Vin.Min to Vin.Max Vin.Min to Vin.Max, 50% Io.Max Vin.Nom, Io.Min to Io.Max 50-100% Io.Max load step change. to 1% error band Vin.Min to Vin.Max, Io.Min to Io Max, 20MHz Bandwidth Io.Max, Vin.Nom Vout ≤0.90 Vo.Nom Vin.Nom, Io.Max Io.Min to Io.Max, Vin.Min to Vin.Max 1.35 Min 1.48 0 Nom 1.50 Max 1.52 3.0 25 25 250 1,150 75 2,200 120 400 0.02 1.65 200 Units Vdc Adc mV mV ± mV µs mVp-p µF %Io.Max kHz %Vo/°C Vo
Vr Comax Icl Fs Tco Vt
40
* Measured with a 1µF ceramic across the output pins
NDS03ZA Characteristic curves
Vout (V)
1.60 1.40 1.20 1.00 0.80 0.60 0.40 0.20 0.00 0.00 0.45 0.90 1.35 1.80 2.25 2.70 3.15 3.60 4.05 4.50 4.95 5.40 5.85
Output Voltage Vs Load
Efficiency
90% 80% 70% 60% 50% 40%
Efficiency Vs Load
Vin Min Vin Nom Vin Max
30% 20% 10% 0% 0.00 0..