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LQS100A48-1V8RAJ Dataheets PDF



Part Number LQS100A48-1V8RAJ
Manufacturers Emerson
Logo Emerson
Description DC-DC / Industry Standard Isolated Quarter Brick
Datasheet LQS100A48-1V8RAJ DatasheetLQS100A48-1V8RAJ Datasheet (PDF)

Quarter-Brick Series Dual output DC/DC CONVERTERS • • • • • • • • • • High Current, High Efficiency, Low Profile NEW Product 1 Two independent outputs High full load efficiency Wide ambient temperature range of -40 ºC to +85 ºC Up to 100% load imbalance Tracking, monotonic start-up Starts into pre-biased outputs Basic insulation system Over-voltage and over-temperature protection 100 V, 100 ms input voltage transient response Secondary side control, no optocouplers, fast transient load response .

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Quarter-Brick Series Dual output DC/DC CONVERTERS • • • • • • • • • • High Current, High Efficiency, Low Profile NEW Product 1 Two independent outputs High full load efficiency Wide ambient temperature range of -40 ºC to +85 ºC Up to 100% load imbalance Tracking, monotonic start-up Starts into pre-biased outputs Basic insulation system Over-voltage and over-temperature protection 100 V, 100 ms input voltage transient response Secondary side control, no optocouplers, fast transient load response • Available RoHS compliant These are new high efficiency, open-frame, isolated 40 A converters in an industry standard dual quarter-brick footprint. These converters deliver high output current at low voltages, and excellent useable power density for today’s high end applications. This series features an input voltage range of 36 Vdc to 75 Vdc and output voltages of 1.2 V/3.3 V, 1.5 V/3.3 V, 1.8 V/3.3 V 2.5 V/3.3 V, and 5 V/3.3 V. The output voltage on each model is adjustable from 90% to 110% of the nominal value. Typical efficiencies are 90%. This series also has a remote ON/OFF capability. Over-current and over-voltage protection features are included as standard. Designed to meet international safety agency approvals, including EN60950-1 and UL/cUL60950, this series reduces compliance costs and time to market. All specifications are typical at nominal input, full load at 25 °C ambient unless otherwise stated Patent No. 6,765,810 Other Patents Pending 2 YEAR WARRANTY SPECIFICATIONS OUTPUT SPECIFICATIONS Voltage adjustability Minimum load Ripple and noise Short circuit protection Turn-on characteristics INPUT SPECIFICATIONS Input voltage range Input current 48 V nominal No load Remote OFF 36-75 Vdc 80 mA max. 6 mA max. Open collector ref to -input Open circuit or >2.4 Vdc <0.4 Vdc 35.5 V (typ.) 33.5 V (typ.) 14 ms (typ.) 14 ms (typ.) Both outputs Both outputs Both outputs 20 MHz bandwidth ±10% min. 0% 50 mV pk-pk max. 15 mV rms max. Both outputs Monotonic EMC CHARACTERISTICS Immunity: ESD air enclosure Radiated field enclosure Conducted Input transients EN61000-4-2 8 kV/6 kV(O/P within spec.) EN61000-4-3 10 V/m (O/P within spec.) EN61000-4-6 10 V (O/P within spec.) 100 V, 100 ms GENERAL SPECIFICATIONS Efficiency Basic insulation Switching frequency Approvals and standards Material flammability Weight MTBF Input/output Fixed (See Notes 1 and 2) See table 2250 Vdc 480 kHz EN60950-1 VDE UL/cUL 60950 UL94V-0 34 g (1.2 oz) Telcordia Tech SR-332 2,883,816 hours Active high remote ON/OFF Logic compatibility ON OFF Undervoltage lockout Start-up time Power up Power down ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient., temperature Non-operating -40 °C to +85 °C -55 °C to +125 °C Power up Remote ON/OFF PROTECTION Short-circuit Overvoltage Thermal Continuous Non-latching 125 ºC hot spot temperature with automatic recovery International Safety Standard Approvals UL/cUL CAN/CSA 22.2 No. 60950-00 : UL 60950 File No. E135734/60950 VDE Cert.


LQS100A48-1V8ENJ LQS100A48-1V8RAJ LQS100A48-1V8RAKJ


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