Details, datasheet, quote on part number: V24B3V3E24B2
Description24vin / 3.3vout / 264watts Dc-dc Converter Module
CompanyVicor Corporation
DatasheetDownload V24B3V3E24B2 datasheet


Features, Applications

DC input range: - 36V Input surge withstand: 50V for 100ms DC output: 3.3V Programmable output: to 110% Regulation: ±0.2% no load to full load Efficiency: 78.5% Maximum operating temperature: 100°C at full load Power density: 53W/cubic inch Height above board: 0.43 in. (10,9 mm) Parallelable, with N+M fault tolerance Low noise ZCS/ZVS architecture Shown actual size: 12,7 mm

Typical Applications: telecommunications, process control and distributed power systems

Absolute Maximum Ratings This DC-DC converter module uses 2nd Generation power processing, control and packaging technologies to provide the Parameter Rating performance, flexibility and cost effectiveness +In to ­In voltage to +36 expected of a mature power component. +In to ­In voltage 50 For example, a plated-cavity core transformer PC to ­In voltage to +7.0 couples widely separated primary and secondary windings, resulting in low in-toPR to ­In voltage to +7.0 out parasitic capacitance and noise. +Out to ­Out voltage to +4.79 High frequency ZCS/ZVS switching, +Sense to ­Out voltage to +4.79 advanced power semiconductor packaging ­Sense to ­Out voltage 1.0 and thermal management provide high power density with low temperature SC to ­Out voltage to +1.5 gradients. Extensive use of silicon Isolation voltage (in to out) 2000 integration results in 1/3 the part count Isolation voltage (in to base) a 1st Generation converter.

Unit Vdc Vrms °C °F (°C) °F (°C) in-lbs (N-m)
Storage temperature (C­Grade) Operating temperature (C­Grade) Pin soldering temperature
See part numbering chart on this page for other product grades.
Input Voltage A = Maxi B = Mini C = Micro Output Voltage Output Power
Baseplate <5 sec; wave solder <7 sec; hand solder 6 each, or M3

Parameter Baseplate to sink; flat, greased surface Baseplate to sink; thermal pad (P/N 20263) Baseplate to ambient Baseplate to ambient; 1000 LFM Thermal capacity Min Typ Max Unit °C/Watt Watt-sec/°C

For pin styles see page 6. Slotted baseplate (style 1) requires no designator. For threaded baseplate add "2" to the end of the part number. For thru-hole, add a "3". See page 7 for dimensions.

Electrical characteristics apply over the full operating range of input voltage, output load (resistive) and baseplate temperature, unless otherwise specified. All temperatures refer to the operating temperature at the center of the baseplate.

Parameter Operating input voltage Input surge withstand Output voltage setpoint Output OVP setpoint Output power Efficiency Min 18 Typ 24 Max Unit Vdc Watts % <100ms Nominal input; full load; 25°C 25°C; recycle input voltage to restart ( 1 minute off At 100°C baseplate temperature Nominal input; 75% of full load; 25°C Notes

Parameter Undervoltage turn-on Undervoltage turn-off Overvoltage turn-off/on Dissipation, standby 14.77 36.3 Min Typ Max 17.9 Unit Vdc Watts No load Notes

Parameter Line regulation Load regulation Temperature regulation Ripple and noise, p-p Current limit Short circuit current Power sharing accuracy Programming range 81.6 56 Min Typ Max Unit °C mV Amps % Notes Low line to high line; full load No load to full load; nominal input Over operating temperature range Nominal input, full load; 25°C; 20MHz bandwidth Output voltage 95% of nominal Output voltage 100% of full load Of nominal output voltage. For trimming below 90% of nominal, a minimum load 10% of maximum rated power may be required.

Note: For important information relative to applications where the converter modules are subject to continuous dynamic loading, contact Vicor applications engineering at 800-927-9474.

Slotted baseplate (style 1) requires no designator. For threaded baseplate add "2" to the end of the part number. For thru-hole add a "3". For long pin configuration add "L" to the end of the part number. See page 7 for pin dimensions.

PRIMARY SIDE (PC = Primary Control; PR = Parallel) PC bias voltage current limit PC module disable PC module enable delay PC module alarm PR emitter amplitude PR emitter current PR receiver impedance PR receiver threshold PR drive capability SECONDARY SIDE (SC = Secondary Control) SC bandgap voltage SC resistance SC capacitance SC module alarm Vdc ohms µF Vdc With open trim; referenced to ­Sense. See Fig. 6 Referenced to ­Sense Vdc mA Vdc ms Vavg Volts mA ohms Volts modules 25°C Minimum pulse width: 20ns Without PR buffer amplifier UV, OV, OT, module fault. See Figs. 2 and 4 PR load >30 ohms, pF PC current mA PC voltage = 5.5V Must be able to sink 4 mA. See Fig. 1

Parameter Remote sense (total drop) Isolation voltage (in to out) Isolation voltage (in to base) Isolation voltage (out to base) Isolation resistance (in to out) Weight Temperature limiting Agency approvals cULus, TÜV, 8 (227) Min Typ Max 0.5 Unit Vdc Vrms megohms ounces (grams) °C See Figs. 2 and EN60950, CSA60950, IEC 60950. With a fuse in series with the +Input Notes 0.25V per leg (senses must be closed) Complies with reinforced insulation requirements Complies with basic insulation requirements Complies with operational insulation requirements

Note: The cover is electrically conductive and may be electrically connected to the baseplate.


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