Q48SA52001NNFA_14 DELTA | Alldatasheet
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Technical content
DS_Q48SA52001_05142009
FEATURES
High efficiency 91.0% @ 52V/1.15A Size: Standard footprint Industry standard pin out Fixed frequency operation Input UVLO, Output OCP, OVP, OTP 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), and CE - pending
APPLICATIONS
Telecom / Datacom Wireless Networks Optical Network Equipment Server and Data Storage Industrial / Testing Equipment OPTIONS Positive, negative, or no On/Off OTP and Output OVP, OCP mode, Auto-restart or latch-up Short pin lengths Delphi Series Q48SA, 60W Quarter Brick Family DC/DC Power Modules: 36~75V in, 52V/1.15A out The Delphi Q48SA52001 series, quarter brick, 36~75V input, single output, isolated DC/DC converter is the latest offering from a world leader in power system and technology and manufacturing ― Delta Electronics, Inc. The Q48SA52001 product family operates from a wide 36~75V input voltage range and provides up to 60 watts of power in an industry standard footprint and pinou t. With creative design technology and optimization of component plac ement, these converters possess outstanding electrical and thermal performances, as well as extremely high reliability under highly stressful operating conditions. All models are fully protected from abnormal input/output voltage, current, and temperature conditions. The Delphi Series converters meet all safety requirements with basic insulation.
DS_Q48SA52001_05142009 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted; PARAMETER NOTES and CONDITIONS Q48SA52001 (Standard) Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient (100ms) 100ms 100 Vdc Operating Case Temperature Please refer to Figure 19 -40 120 °C Storage Temperature -55 125 °C Input/Output Isolation Voltage 1 minute 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 48 75 Vdc Input Under-Voltage Lockout Turn-On Voltage Threshold 32 35 Vdc Turn-Off Voltage Threshold 29 32 Vdc Lockout Hysteresis Voltage 2 4 Vdc Maximum Input Current 100% Load, 36Vin 2.4 A No-Load Input Current 50 mA Off Converter Input Current Vin=48V 8 mA Inrush Current(I2t) 1 A2s Input Reflected-Ripple Current P-P thru 12µH inductor, 5Hz to 20MHz 10 mA Input Voltage Ripple Rejection 120 Hz 50 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin=48V, Io=Io.max, Tc=25°C 51.0 52.0 53.0 Vdc Output Voltage Regulation Over Load Io=Io,min to Io,max +20 +200 mV Over Line Vin=36V to 75V + 20 + 200 mV Over Temperature Tc=-40°C to 120°C 0.02 %Vo/°C Total Output Voltage Range over load, line and temperature 50.4 53.6 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth, with external output capacitors Peak-to-Peak Full Load (high frequency low ESR) 500 700 mV RMS 50 150 mV Operating Output Current Range 0 1.15 A Output DC Current-Limit Inception Output Voltage 10% Low 1.27 1.65 A DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V, 10µF electrolytic & 1µF ceramic load cap, 0.1A/µs Positive Step Change in Output Current 50% to 75% Io.max 750 mV Negative Step Change in Output Current 75% to 50% Io.max 750 mV Settling Time (within 1% Vout nominal) µs Turn-On Transient Start-Up Time, From On/Off Control 25 100 ms Start-Up Time, From Input 25 100 ms External Output Capacitance Full load; 5% overshoot of Vout at startup 10 1000 µF EFFICIENCY 100% Load Vin=48V 91.0 % 60% Load Vin=48V 90.0 % ISOLATION CHARACTERISTICS Input to Output 2250 Vdc Isolation Resistance 10 M Ω Isolation Capacitance 2000 pF FEATURE CHARACTERISTICS Switching Frequency 330 kHz ON/OFF Control, Negative Remote On/Off logic Logic Low (Module On) Von/off at Ion/off=1.0mA 0 1.2 V Logic High (Module Off) Von/off at Ion/off=0.0 µA 3.5 20 V ON/OFF Control, Positive Remote On/Off logic Logic Low (Module Off) Von/off at Ion/off=1.0mA 0 1.2 V Logic High (Module On) Von/off at Ion/off=0.0 µA 3.5 20 V ON/OFF Current (for both remote on/off logic) Ion/off at Von/off=0.0V 1.0 mA Leakage Current (for both remote on/off logic) Logic High, Von/off=15V µA Output Over-Voltage Protection(latch mode) Over full temp range; 55 60 V GENERAL SPECIFICATIONS MTBF Io=80% of Io, max; Tc=40°C TBD M hours Weight 27.8 grams Over-Temperature Shutdown Please refer to Figure 19 125 °C
DS_Q48SA52001_05142009 DESIGN CONSIDERATIONS Input Source Impedance The impedance of the input source connecting to the DC/DC power modules will interact with the modules and affect the stability. A low ac-impedance input source is recommended. If the source inductance is more than a few μH, we advise adding a 10μF to 100μF electrolytic capacitor (ESR < 0.7 Ω at 100 kHz) mounted close to the input of the module to improve the stability. Layout and EMC Considerations Delta’s DC/DC power modules are designed to operate in a wide variety of systems and applications. For design assistance with EMC compliance and related PWB layout issues, please contact Delta’s technical support team. An external input filter module is available for easier EMC compliance design. Application notes to assist designers in addressing these issues are pending release. Safety Considerations The power module must be installed in compliance with the spacing and separation requirements of the end-user’s safety agency standard, i.e., UL60950-1, CAN/CSA-C22.2, No. 60950-1, if the system in which the power module is to be used must meet safety agency requirements. Basic insulation based on 75 Vdc input is provided between the input and output of the module for the purpose of applying insulation requirements when the input to this DC-to-DC converter is identified as TNV-2 or SELV. An additional evaluation is needed if the source is other than TNV-2 or SELV. When the input source is SELV circuit, the power module meets SELV (safety extra-low voltage) requirements. If the input source is a hazardous voltage which is greater than 60 Vdc and less than or equal to 75 Vdc, for the module’s output to meet SELV requirements, all of the following must be met: The input source must be insulated from the ac mains by reinforced or double insulation. The input terminals of the module are not operator accessible. If the metal baseplate / heatspreader is grounded the output must be also grounded. A SELV reliability test is conducted on the system where the module is used , in combination with the module, to ensure that under a single fault, hazardous voltage does not appear at the module’s output. When installed into a Class II equipment (without grounding), spacing consideration should be given to the end-use installation, as the spacing between the module and mounting surface have not been evaluated. The power module has extra-low voltage (ELV) outputs when all inputs are ELV. This power module is not internally fused. To achieve optimum safety and system protection, an input line fuse is highly recommended. The safety agencies require a normal-blow fuse with 20A maximum rating to be installed in the ungrounded lead. A lower rated fuse can be used based on the maximum inrush transient energy and maximum input current. Soldering and Cleaning Considerations Post solder cleaning is usually the final board assembly process before the board or system undergoes electrical testing. Inadequate cleaning and/or drying may lower the reliability of a power module and severely affect the finished circuit board assembly test. Adequate cleaning and/or drying is especially important for un-encapsulated and/or open frame type power modules. For assistance on appropriate soldering and cleaning procedures, please contact Delta’s technical support team.
DS_Q48SA52001_05142009 MECHANICAL DRAWING Pin No. Name Function +Vin ON/OFF -Vin -Vout Trim +Vout Positive input voltage Remote ON/OFF Negative input voltage Negative output voltage Output voltage trim Positive output voltage Pin Specification: Pins 1-6 1.00mm (0.040”) diameter All pins are copper with Tin plating.
DS_Q48SA52001_05142009 PART NUMBERING SYSTEM Q 48 S A 520 01 N N A Form Factor Input Voltage Number of Outputs Product Series Output Voltage Output Current ON/OFF Logic Pin Length Option Code Q - Quarter Brick 48 - 36~75V S - Single A - Advanced 520 - 52V 01- 1.15A N - Negative R - 0.170” N - 0.145” Space- RoHs 5/6 F- RoHS 6/6 (Lead Free) A - Open Frame MODEL LIST MODEL NAME INPUT OUTPUT EFF @ 100% LOAD Q48SA52001NNFA 36V~75V 2.4 A 52V 1.15A 91% * For modules with through-hole pins and the optional heatspreader, they are intended for wave soldering assembly onto system boards; please do not subject such modules through reflow temperature profile. CONTACT: www.delta.com.tw/dcdc USA: Telephone: East Coast: (888) 335 8201 West Coast: (888) 335 8208 Fax: (978) 656 3964 Email: DCDC@delta-corp.com Europe: Phone: +41 31 998 53 11 Fax: +41 31 998 53 53 Email: DCDC@delta-es.com Asia & the rest of world: Telephone: +886 3 4526107 ext 6220~6224 Fax: +886 3 4513485 Email: DCDC@delta.com.tw WARRANTY Delta offers a two (2) year limited warrant y. Complete warranty information is list ed on our web site or is available upon request from Delta. Information furnished by Delta is believed to be accurate and reliable. However, no responsibility is assumed by Delta for its use, nor for any infringements of patents or other rights of third parties, which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Delta. Delta reserves the right to revise these specifications at any time, without notice.
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