70-125 Watts Total Power: 70-120 Watts Input Voltage: 36-72 VDC # of Outputs: Quad NTQ123-DC Series Electrical Specs Input Input range Inrush current Efficiency EMI filter 36-72 VDC 38 A max., cold start @ 25°C 65% typical at full load FCC Class B conducted and radiated, CISPR 22 Class B conducted and radiated, EN55022 Class B conducted and radiated, VDE 0878 PT3 Class B conducted and radiated. Safety ground Leakage current <1 mA @ 72 VDC input Output Maximum power Special Features • • • • • • • • • -48 VDC input Remote sense on outputs one and two Power fail and remote inhibit Single wire current sharing on outputs one and two Adjustable main outputs Built-in Class B EMI filter Overvoltage protection Overload protection Thermal overload protection Adjustment range Hold-up time Overload protection Overvoltage protection Logic Control Power failure Remote Inhibit Remote sense Environmental 70 W convection, 125 W with 30 CFM forced air ±5% minimum on outputs one and two 20 ms @ 120 W load, -48 VDC input Short circuit protection on all outputs. Case overload protected @ 110-145% above peak rating 3.3 V and 5 V output: 10% to 35% above nominal output TTL logic signal goes high 100-500 msec after 5 V output; it goes low at least 4 msec before loss of regulation Requires an external TTL Signal to inhibit outputs Compensates for 0.5 V lead drop minimum, will operate without remote sense connected. Reverse connection protection. Operating temperature: 0° to 50°C ambient; derate each output at 2.5% per degree from 50° to 70°C Electromagnetic susceptibility: Designed to meet EN61000-4, -2, -3, -4, -5, -6, -8, -11 Level 3 Humidity: Operating; non-condensing 5% to 95% Vibration: Three orthogonal axes, sweep at 1 oct/min, 5 min. dwell at four major resonances 0.7 G peak 5 Hz to 500 Hz, operational Safety Storage temperature: -40° to 85°C Temperature coefficient: ± .04% per °C MTBF demonstrated: >1 million hours at full load and 25°C ambient conditions VDE UL CSA NEMKO CB CE 108 America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 0805/EN60950 (IEC950) UL1950 CSA 22.2-234 Level 3 EN 60950/EMKO-TUE (74-sec) 203 Certificate and report Mark (LVD) Asia (HK): 852-2437-9662 rev 02.17.03 AMERICAS EUROPE ASIA 5810 Van Allen Way Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 Units 2111-2116, Level 21 Tower1, Metroplaza 223, Hing Fong Road Fwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 Model Number Output Voltage Minimum Load4 Maximum Load with Convection Cooling Maximum Load with 30 CFM Forced Air Peak Load1 Regulation2 Ripple P/P (PARD)3 NTQ123-DC +3.3 V(2.5-5.7) +5 V(2.5-5.7) +12 V -12 V 2A 0A 0A 0A 14 A 12.5 A 1A 0.5 A 25 A 24 A 2A 1A 28 A 28 A 4A 1.5 A ±2% ±2% ±3% ±3% 50 mV 50 mV 120 mV 120 mV 1. 2. 3. 4. NTQ123-DC Series Ordering Information Peak current lasting <30 seconds with a maximum 10% duty cycle. At 25°C including initial tolerance, line voltage, load currents and output voltages adjusted to factory settings. Peak-to-peak with 20 MHz bandwidth and 10 µF in parallel with a 0.1 µF capacitor at rated line voltage and load ranges. Minimum loads are required. In parallel minimum loads are 2 A on the 5 V output and 2 A on the 3.3 V output for each power supply Pin Assignments Connector SK1 PIN 1 PIN 3 PIN 5 Ground -48 VDC Return SK2 PIN 1 PIN 2 PIN 3 +12 V Common -12 V SK3 PIN 1 PIN 2 PIN 3 PIN 4 PIN 5 PIN 6 PIN 7 PIN 8 PIN 9 PIN 10 3.3 V SWP -3.3 V Sense +3.3 V + Sense 5 V SWP COMMON +5 V Sense -5 V Sense + Inhibit - Inhibit Power Fail Mating Connectors (SK1) DC Input: V1 & V2: 123 Molex: 09-50-8051 (USA) Molex: 09-91-0500 (UK) PINS: 08-58-0111 Molex BB-124-08 (SK2) ±12V Molex:09-50-8031 (USA) Molex: 09-91-0300 (UK) PINS: 08-58-0111 (SK3) Control Signals: Molex: 90142-0010 PINS: 90119-2110 or Amp: 87977-3 PINS: 87309-8 531 Astec Connector Kit #70-841-012, includes al of the above. Notes: 1. Specifications subject to change without notice. 2. All dimensions in inches (mm), tolerance ±.02”. 3. Remote inhibit requires an external 5 V @ 10 mA to activate 4. Mounting maximum insertion depth is 0.12”. 5. Warranty: 1 year 6. Weight: 1..49 lb. / 0.68 kg www.astec.com 109