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LES50A48-1V2RAJ Dataheets PDF



Part Number LES50A48-1V2RAJ
Manufacturers Emerson
Logo Emerson
Description DC-DC / Industry Standard Isolated Eighth Brick
Datasheet LES50A48-1V2RAJ DatasheetLES50A48-1V2RAJ Datasheet (PDF)

Eighth-Brick Series Single output DC/DC CONVERTERS • • • • • • • • • • High Current, High Efficiency, Low Profile NEW Product 1 Ultra-high efficiency topology Industry standard eighth brick footprint (identical to quarter-brick pinout) Low profile through-hole version Low profile with 38% space savings over other quarter-brick brick converters Wide ambient temperature range, -40 ºC to +85 ºC 80% to 110% output trim Monotonic start-up in normal and prebiased loads Basic insulation system Overvolt.

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Eighth-Brick Series Single output DC/DC CONVERTERS • • • • • • • • • • High Current, High Efficiency, Low Profile NEW Product 1 Ultra-high efficiency topology Industry standard eighth brick footprint (identical to quarter-brick pinout) Low profile through-hole version Low profile with 38% space savings over other quarter-brick brick converters Wide ambient temperature range, -40 ºC to +85 ºC 80% to 110% output trim Monotonic start-up in normal and prebiased loads Basic insulation system Overvoltage and overtemperature protection Secondary side control, no optocouplers, fast transient response • 100 V, 100 ms input voltage transient rated • Available RoHS compliant This is a new high efficiency, open-frame, low profile, single board, isolated dc-dc converter series in an industry standard eight-brick footprint that provides up to 100 W of output power. The series delivers very high output current at low voltages, and excellent useable power for today’s high performance applications. The series features an input voltage range of 18 Vdc to 36 Vdc and 36 Vdc to 75 Vdc and is available with output voltages of 1.2 V, 1.5 V 1.8 V, 2.5 V, 3.3 V and 5.0 V. The output voltage is adjustable from 80% to 110% of the nominal value. The series also has a remote ON/OFF capability. Overcurrent, overvoltage and overtemperature protection features are included as standard. Full international safety approval including EN60950-1 VDE and UL/cUL60950, 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 Overshoot Undershoot Transient response (See Note 1) INPUT SPECIFICATIONS Input voltage range Input current 24 V nominal 48 V nominal No load Remote OFF 18-36 Vdc 36-75 Vdc 50 mA 5 mA Open collector ref to -input Open circuit or >2.4 Vdc <0.4 Vdc up down up down 17.5 16.5 35.5 33.5 V (typ.) V (typ.) V (typ.) V (typ.) At turn-on and turn-off 80% to 110% 0% None None 60 mV to 150 mV typ. deviation 20 µs recovery 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 Basic insulation Switching frequency Approvals and standards Material flammability Weight MTBF Input/output Fixed (See Note 3) 2250 Vdc 480 kHz EN60950-1 VDE UL/cUL 60950 UL94V-0 21 g (0.73 oz) Telcordia Tech SR-332 4,034,120 hours Active high remote ON/OFF Logic compatibility ON OFF Undervoltage Lockout 24 Vin 48 Vin 48 Vin Start-up time (See Note 2) Power Power Power Power ENVIRONMENTAL SPECIFICATIONS Thermal performance Operating ambient. temperature Non-operating -40 °C to +85 °C -55 °C to +125 °C PROTECTION Shortcircuit Overvoltage Thermal Continuous Non-latching 125 ºC hot spot temper.


LES50A48-1V2EJ LES50A48-1V2RAJ LES50A48-1V2RAKJ


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