Q48SK12033NRFA

FEATURES High efficiency : 95.5% 12V/33A Size: 57.9x36.8x11.2mm (2.28x1.45x0.44) (w/o heat spreader) 57.9*36.8*12.7mm(2.28*1.450.50) (with heat spreader) Standard footprint Industry standard pin out Fixed frequency operation Input UVLO, Output OCP, OVP, OTP Hiccup output over current protection (OCP) Hiccup output over voltage protection (OVP) Auto recovery OTP and input UVLO 2250V isolation and basic insulation No minimum load required ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/cUL 60950-1 (US & Canada) recognized Delphi Series Q48SK, Quarter Brick Family DC/DC Power Modules: 36~75V in, 12V/33A out, 400W OPTIONS Latched over current protection The Delphi series Q48SK12033, quarter brick, 36~75V input, single output, Positive On/Off logic isolated DC/DC converter is the latest offering from a world leader in power Heat spreader available for system and technology and manufacturing Delta Electronics, Inc. This extended operation. product provides up to 400 watts of power in an industry standard footprint and pin out. With creative design technology and optimization of component placement, these converters possess outstanding electrical and thermal performances, as well as extremely high reliability under highly stressful operating conditions. The Q48SK12033 offers more than 95.5% high APPLICATIONS efficiency at 33A full load. The Q48SK12033 is fully protected from abnormal Telecom / Datacom input/output voltage, current, and temperature conditions and meets all Wireless Networks safety requirements with basic insulation. Optical Network Equipment Server and Data Storage Industrial / Testing Equipment DATASHEET DS Q48SK12033 01062011 TECHNICAL SPECIFICATIONS (T =25C, airflow rate=300 LFM, V =48Vdc, nominal Vout unless otherwise noted A in PARAMETER NOTES and CONDITIONS Q48SK12033 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient 100ms 100 Vdc Operating Hot Spot Temperature (Without heat spreader) Refer to figure 18 for measuring point -40 117 C Operating Case Temperature (With heat spreader) Refer to figure 20 for measuring point -40 108 C Storage Temperature -55 125 C Input/Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 75 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 32.0 34.0 36.0 Vdc Turn-Off Voltage Threshold 30.0 32.0 34.0 Vdc Lockout Hysteresis Voltage 2 Vdc Maximum Input Current 100% Load, 36Vin 13 A No-Load Input Current Vin=48V, Io=0A 170 mA Off Converter Input Current Vin=48V, Io=0A 10 mA 2 2 Inrush Current (I t) 1 A s Input Reflected-Ripple Current P-P thru 12H inductor, 5Hz to 20MHz 10 mA Input Voltage Ripple Rejection 120 Hz -30 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=0, Tc=25C 11.4 11.7 12.0 Vdc Output Voltage Regulation Over Load Vin=48V, Io=Io,min to Io,max 30 80 mV Over Line Vin=36V to 75V, Io=Io min 50 mV Over Temperature Vin=48V, Tc=-40C to 85C 100 mV Total Output Voltage Range over sample load, line and temperature 11.2 12.0 Vdc Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak-to-Peak Full Load, 1F ceramic, 10F tantalum 150 mV RMS Full Load, 1F ceramic, 10F tantalum 80 mV Operating Output Current Range 0 33 A Output DC Current-Limit Inception Output Voltage 10% Low 110 140 % DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V, 10F Tan & 1F Ceramic load cap, 0.1A/s Positive Step Change in Output Current 50% Io.max to 75% Io.max 300 mV Negative Step Change in Output Current 75% Io.max to 50% Io.max 300 mV Settling Time (within 1% Vout nominal) 300 s Turn-On Transient Start-Up Time, From On/Off Control 70 ms Start-Up Time, From Input 80 ms Maximum Output Capacitance Low ESR CAP (OSCON), 100% load 6000 F EFFICIENCY 100% Load Vin=48V 95.5 % 60% Load Vin=48V 95.2 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 M Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS Switching Frequency 160 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module Off) Von/off at Ion/off=0.0 A 2 50 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 0.8 V Logic High (Module On) Von/off at Ion/off=0.0 A 2 50 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 1 mA Leakage Current (for both remote on/off logic) Logic High, Von/off=15V 50 uA Output Over-Voltage Protection Over full temp range % of nominal Vout 115 140 % GENERAL SPECIFICATIONS MTBF(with heat spreader) Io=80% of Io, max Tc=25C Airflow=300LFM 1.15 M hours Weight(without heat spreader) 50.5 grams Weight(with heat spreader) 65.5 grams Over-Temperature Shutdown ( Without heat spreader) Refer to figure 18 for measuring point 122 C Over-Temperature Shutdown (With heat spreader) Refer to figure 20 for measuring point 113 C DS Q48SK12033 01062011 2