Delta Electronics S48SP User's Manual
Contents
1. L 2 0mm 0 47 Figure 20 Hot spot temperature measured point x The allowed maximum hot spot temperature is defined at 111 C S48SP05007 standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 48V Either Orientation 80 r 200LFM Abi 300LFM 400LFM 600LFM 35 40 45 50 55 60 65 70 80 85 Ambient Temperature Figure 21 Output current vs ambient temperature and air velocity Vin 48V Either Orientation 10 PICK AND PLACE LOCATION 33 0 1 30 N 19 50 0 768 a La TA p SS e X A e D L TTT Y A O Lj E i LI car N T ang PNE 00 IT lT L O gg PIN 1 25 0 0 20 MIN A LA NOTES DIMENSIONS ARE PICK AND IN PLACE LOCATION MILLIM TOLERANCES X Xmmz0 5mm X XX in X XXmmzt0 25mm X XXX in E0 010 in RS AND INCHES 0 02 in RECOMMENDED PAD LAYOUT SMD KST Ie a E 55 ps 6 3 0 252. Delphi Series S48SP 35W 1x1 Brick DC DC Power Modules 48V in 5V 7A out m The Delphi Series S48SP 1x1 Brick 48V input single output isolated lll DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electronics Inc This product family is available in a surface mount or through hole package and provides up to 35 watts of power or 10A of output current 3 3V and below in a new 1x1 form factor 1 3 x0 96 x0 33 The pinout is compatible with the industry standard 1x2 products With creative design technology and optimization of component placement these converters possess outstanding electrical and thermal performance as well as extremely high reliability under highly stressful operating conditions Typical efficiency of the 5V 7A module is 9096 All modules are fully protected against abnormal input output voltage current and temperature conditions DATASHEET DS S48SP05007 05222008 FEATURES High efficiency 90 5V 7A Industry standard 1x2 pin out Size 33 0x24 4x8 55mm 1 30 x0 96 x0 34 SMD and Through hole versions Fixed frequency operation 2 1 input voltage range Input UVLO OVP OTP and output OCP OVP default is auto restart Output voltage trim 10 Negative On Off Monotonic startup into normal and pre biased loads 2250V isolation and basic insulation No minimum load required ISO 9001 TL 9000 ISO 14001 QS9000 OHSAS18
3. East Coast 888 335 8201 Fax 41 31 998 53 53 Fax 886 3 4513485 West Coast 888 335 8208 Email DCDC delta es tw Email DCDC delta com tw Fax 978 656 3964 Email DCDC delta corp com WARRANTY Delta offers a two 2 year limited warranty Complete warranty information is listed 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 DS_S48SP05007_05222008 a 44
4. Inrush Current I t 0 01 As Input Reflected Ripple Current P P thru 12HH inductor 5Hz to 20MHz 10 mA Input Voltage Ripple Rejection 120 Hz 60 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin 48V lo lo max Tc 25 C 4 925 5 0 5 075 Vdc Output Voltage Regulation Over Load lo lo min to lo max 3 10 mV Over Line Vin 36V to 75V 3 10 mV Over Temperature Tc 40 C to 100 C 50 mV Total Output Voltage Range Over load line and temperature 4 85 5 15 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak to Peak Full Load 1uF ceramic 10uF tantalum 30 mV RMS Full Load 1uF ceramic 10uF tantalum 10 mV Operating Output Current Range 0 7 Output DC Current Limit Inception Output Voltage 1096 Low 110 140 DYNAMIC CHARACTERISTICS Positive Step Change in Output Current 5096 lo max to 7596 lo max 150 mV Negative Step Change in Output Current 75 lo max to 50 lo max 150 mV Settling Time within 196 Vout nominal 100 us Turn On Transient Start Up Time From On Off Control 25 30 ms Start Up Time From Input 25 30 ms Maximum Output Capacitance Full load 5 overshoot of Vout at startup 3000 EFFICIENCY DS S48SP05007 05222008 100 Load 90 0 6096 Load 88 5 Input to Output 2250 Vdc Isolation Resistance 10 MO Isolation Capacitance 1000 pF FEATURE CHARACTERISTICS NNNM gcc cq Switching Frequency 400 kHz ON OFF Control Negative Remote On Off logic Logic Low
5. Module On Von off 0 7 0 8 V Logic High Module Off Von off 2 18 V ON OFF Control Positive Remote On Off logic Logic Low Module Off Von off 0 7 0 8 V Logic High Module On Von off 2 18 V ON OFF Current for both remote on off logic lon off at Von off 0 0V 0 25 mA Leakage Current for both remote on off logic Logic High Von off 15V 30 uA Output Voltage Trim Range Across Pins 4 amp 5 Pout lt max rated power 10 10 Output Over Voltage Protection Over full temp range 5 75 es V GENERAL SPECIFICATIONS MTBF lo 80 of lo max Ta 25 C air flow 300LFM 2 02 M hours Weight 10 5 grams Over Temperature Shutdown Refer to Fig 20 for measuring point 123 C d P d pem E It i e I I I L 48 vin OUTPUT CURREN TAY Power dissipation vs load current for minimum Figure 2 nominal and maximum input voltage at 25 C b m de IL III P P ee v v lem m mom om mmm L a m mm Tavin eee ee eb ee ee eb ee eee bee ee a L d a INPUT WO LTAG Euy de lh OUTPUT CURRENT ses he ses ss Shesh ss shes es ses phem ss hb d2 d Ll I L Jd I I T I I I I I i I I I I I I T Ten eA i E E ia R c cQ c c 2c cQ4 2c4aQa li es ee de es ed es ce eS aiaa ee aia Efficiency vs load current for minimum nominal and Typical full load input characteristics a
6. resistor value required to obtain an oe output voltage change from 5V to the desired Vo_adj is Figure 17 Circuit configuration for trim down decrease defined as output voltage l 2 5 5110 If the external resistor is connected between the TRIM itum Vo adj 5 0 peus and Vo pins the output voltage set point decreases Fig 17 The external resistor value required to obtain Ex When Trim up 10 an output voltage change from 5V to the desired Vo_adj 5 0Vx 1 10 5 5V Vo adjis defined as 25 511 2 55110 Rtrim down 2050 Rtrim up 55 50 2050 5 0 Vo adj diio 4 Rtrim_up 2 35x 10 Ex When Trim down 10 P ohm Vo adj 5 0Vx 1 1096 24 5V When using trim function the output voltage of the module is usually increased which increases the power 4 5 2 5 5110 output of the module with the same output current Rtrim down 2050 5 0 4 5 Care should be taken to ensure that the maximum Rtrim down 1 839x 10 ohm output power of the module remains at or below the maximum rated power DS S48SP05007 05222008 we 9 Ea MER THERMAL CONSIDERATIONS Thermal management is an important part of the system design To ensure proper reliable operation sufficient cooling of the power module is needed over the entire temperature range of the module Convection cooling is usually the dominant mode of heat transfer Hence the choice of equipment to characterize the thermal perfo
7. 001 certified manufacturing facility UL cUL 60950 US amp Canada recognized and TUV EN60950 certified CE mark meets 73 23 EEC and 93 68 EEC directive OPTIONS Positive On Off or no On Off OTP and Output OVP OCP mode Auto recovery default or latch up SMD module available Short pin lengths Encapsulated case optional APPLICATIONS Optical Transport Data Networking Communications including Wireless and traditional Telecom Servers MA MELTA Delta Electronics m TECHNICAL SPECIFICATIONS Ta 25 C airflow rate 300 LFM V 48Vdc nominal Vout unless otherwise noted Output Voltage Current Transient 48V 10yF Tan amp 1uF Ceramic load cap 0 1A us PARAMETER NOTES and CONDITIONS S48SPO5007 Standard Min Typ Max Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient 100ms 100ms 100 Vdc Operating Case Temperature Refer to Figure 20 for measuring point 40 111 C Storage Temperature 55 125 C Input Output Isolation Voltage 2250 Vdc INPUT CHARACTERISTICS Operating Input Voltage 36 75 Vdc Input Under Voltage Lockout Turn On Voltage Threshold 32 5 34 25 5 Vdc Turn Off Voltage Threshold 30 5 32 33 5 Vdc Lockout Hysteresis Voltage 1 0 2 0 3 0 Vdc Maximum Input Current 10096 Load 36Vin 1 10 A No Load Input Current 35 mA Off Converter Input Current 10 mA
8. 20 32 0 80007 D A a C5 gt N i i i Q en Sh 4 Ad et C Vin 0O C 2 TRIM I Optional Jm 2 e c icon q x E e Ol N LO C2 N s Vout T E e 6 Y 2 60 0 102 ECO M END PAD 6X LD P W PAD LAYOUT NOTES DIMENSIONS ARE IN MILLIM LOLE RANC S AND INCHES ES X XmmE0 5mM m X XX in 0 02 in X XXmmz0 25mm X XXX in 0 010 DS S48SP05007 05222008 in 32 00 1 260 4 00 0 157 SURFACE MOUNT TAPE 8 REEL TOP COVER TAPE EMBOSSED CARRIER 9 25 0 364 24 96 0 983 PICK POINT 9 9909404029029 9044459929492992529499 9 9 9999929693 i i i PIN 1 i ML EO E Li 988 QI E Ly IR O3 E en i SS EYE irpo oru iE C YYY alk ta sa vu z Cif TUNT FEED 5 is ULCT LHL DIRECTION Sa TT LI 301 ST g E opsion 20 o E xs jen pene 20 3 S 8 cy ey euam TO i 1 Y PHSCSS
9. C OHSS FESS HFS THT OHHH GS FOTOS OS CON TOP COVER aa EMBOSSED CARRIER A f 6330 0 13 00 13 0 0 51 8177 8 7 00 NOTES CONFORMS TO EIA 481 SATNDARD MODULES ARE SHIPPED IN QUANTITIES OF 100 PER REEL ALL DIMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmm 0 5mm X XX in 0 02 in X XXmmzt0 25mm X XXX in x0 010 in LEADED Sn Pb PROCESS RECOMMEND TEMP PROFILE 2nd Ramp up temp E W 2 e hee oe g Pre heat temp hid UR RE 140 180 C 60 120 sec LN 2 Ramp up temp Cooling down rate lt 3 C sec B 150 4 0 5 3 0 C sec in Over 200 C E 50 40 50sec 0 60 120 180 240 300 Time sec Note The temperature refers to the pin of S48SP measured on the pin Vout joint LEAD FREE SAC PROCESS RECOMMEND TEMP PROFILE Temp TT Peak Temp 240 245 C 217 C fh Ramp down o max 4 C sec 200 C 150 C L Preheat time q 199 ud Time Limited 90 sec above 217 C Ramp up max 3 C sec 25 C Time Note The temperature refers to the pin of S48SP measured on the pin Vout joint DS S48SP05007 05222008 zx 42 MECHANICAL DRAWING Surface mount module Through Hole module T C Aa N OY Z VA B C o0 2910 AA IL We s XU X N y 4 VJ LJ Jt fd rae uw JA N Z0 XJ ws J Z NJ K
10. Es ur Mash NJ NJ 7 E FNA PAS CO N i NS Or d A F SAD r pP i S T N L Y i P P x A me N OULLULIS LA LJ Ag LIN CO RY IO LONJ a SHA PN NI VMI H f NOLO ORQ VV KU N E lU LU L D L j AJ CN UN Ko AL DE Pin No Name Function Vin Positive input voltage Vin Negative input voltage ON OFF Optional Remote ON OFF Optional Vout Negative output voltage TRIM Optional Output voltage trim Optional Vout Positive output voltage ON KO DN DS S48SP05007 05222008 13 PART NUMBERING SYSTEM L9 e s 1ps will w o MEME 5 Product Input Number of Product Output Output Pin S Small 48 S Single 1x1 10A 050 5V 07 7A N Negative R 0 170 F RoHS 6 6 A No trim pin Power 36V 75V Default Default Lead Free B With trim pin P Positive N 0 145 Default E No remote K 0 110 on off control pin M SMD MODEL LIST MODEL NAME INPUT OUTPUT EFF 0 100 LOAD S48SP05007NRFB 36V 75V 90 096 S48SP12003NRFB 36V 75V 90 0 S48SP15002NRFB 36V 75V 90 0 Note 1 Default OTP and output OVP OCP mode is auto restart 2 For different option please refer to part numbering system above or contact Delta local sales CONTACT www delta com tw dcdc USA Europe Asia amp the rest of world Telephone Telephone 41 31 998 53 11 Telephone 886 3 4526107 x6220
11. JA I N E i 3 Q 9 E d G L 4 E ON OFF Vout 4 z l ON OFF Vout 4 e Optional Optional CO 2 Oo 2o vi CO iu TRIM d o n CO ius TRIM 6 9 Sc 16 Optional NL 1 d Optional n i Y 7 N Vin x Vin Y Y a VC Y Y NY FVout d 6 NI Vout 4 6 367 2 x Ww 4 Cx ZU CS S P pou RC T p n S Z m J Zv pa eb CO Z Z NS S C C L C J r r HA KE NJ C j un Nd E pcd B a pus ipt ip C X LC OO m CD OO a ki AJ AJ a WP U VAL 0 NON IE 2 E 90 A E b E o Es c CO A A JA v C P EU Sa C O CO CN mi ne O NI K s P lant a N R Ps 85 i O E y p kat Neh CN C d g N C NI x CN CN x N MA T mr gt TOP TOP I L a P m a PS NX ND N E J MON 2 d C Cd r P lt bus ND zt C ON L C IE i Oz LC p C ry e Ne U ND UJ CD Y Y LC van LO SN DANA U U Dd VIV N DUAN CUSIOMER BOARD OU JUI S i VoD NN IZAIN LI Y OX 5s ry D f PAPPERP E gt P E LX p L cl cil l 2 C s a any ALIN SN dO NA NE N x NIA KAN Y wa f 7 f N U i LX I JA Pt P b UJ
12. e r2 a 1 2 4 5 B H a g 10 LOAD CURRENT b j Figure 14 Output voltage ripple at nominal input voltage and Figure 15 Output voltage vs load current showing typical rated load current lo 7A 20 mV div 1us div current limit curves and converter shutdown points Load capacitance 1uF ceramic capacitor and 10uF tantalum capacitor Bandwidth 20 MHz Scope measurements should be made using a BNC cable length shorter than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module DS S48SP05007 05222008 e 6 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 UH we advise adding a 10 to 100 UF electrolytic capacitor ESR 0 7 O 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 to release Safety Considerations The power module must be
13. er than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module 33uF ESRe 0 5 0 R20T 10UKHz a 20UF ESR lt 0 1 n B20 100KHz Figure 10 Test set up diagram showing measurement points for Input Terminal Ripple Current and Input Reflected Ripple Current Note Measured input reflected ripple current vvith a simulated source Inductance Ltest of 12 uH Capacitor Cs offset possible battery impedance Measure current as shown below DS S48SP05007 05222008 DES Maine lok 55 Figure 9 Output voltage response to step change in load current 5096 7596 of lo max di dt 0 1A us Load cap 1TOuF tantalum capacitor and 1uF ceramic capacitor Top Trace Vout 100mV div 50us div Bottom Trace lout 2A div Scope measurement should be made using a BNC cable length shorter than 20 inches Position the load between 51 mm to 76 mm 2 inches to 3 inches from the module Ea MES ELECTRICAL CHARACTERISTICS CURVES Figure 11 Input Terminal Ripple Current i at full rated output Figure 12 Input reflected ripple current is through a 12uH current and nominal input voltage with 12uH source impedance source inductor at nominal input voltage and rated load current and 33uF electrolytic capacitor 100m4A div 1us div 20 mA div 1us div RESISTIM LOAD Figure 13 Output voltage noise and ripple measurement test setup 6 0 3 0 OUTPUT VOLTAGE 00 to m e
14. installed in compliance with the spacing and separation requirements of the end users safety agency standard i e UL60950 CAN CSA C22 2 No 60950 00 and EN60950 2000 and IEC60950 1999 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 DS_S48SP05007_ 05222008 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 v If the metal baseplate is grounded one Vi pin and one Vo pin shall also be 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 equipment without grounding spacing consideration should be give
15. ition is corrected For latch mode the module will latch off once it shutdown The latch is reset by either cycling the input power or by toggling the on off signal for one second DS S48SP05007 05222008 Remote On Off The remote on off feature on the module can be either negative or positive logic Negative logic turns the module on during a logic low and off during a logic high Positive logic turns the modules on during a logic high and off during a logic low Remote on off can be controlled by an external switch between the on off terminal and the Vi terminal The switch can be an open collector or open drain For negative logic if the remote on off feature is not used please short the on off pin to Vi For positive logic if the remote on off feature is not used please leave the on off pin floating Vo Load Figure 16 Remote on off implementation c NN FEATURES DESCRIPTIONS CON Output Voltage Adjustment To increase or decrease the output voltage set point the modules may be connected with an external eON OFF resistor between the TRIM pin and either the Vo or Vo The TRIM pin should be left open if this feature is not used evi evi ON OFF Figure 18 Circuit configuration for trim up increase output e Vi voltage Load ge e Vi If the external resistor is connected between the TRIM and Vo the output voltage set point increases Fig 18 The external
16. n 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 fuse with 3A 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 povver modules For assistance on appropriate soldering and cleaning procedures please contact Deltas technical support team FEATURES DESCRIPTIONS Over Current Protection The modules include an internal output over current protection circuit which will endure current limiting for an unlimited duration during output overload If the output current exceeds the OCP set point the modules will automatically shut down and enter hiccup mode or latch mode which is optional For hiccup mode the module will try to restar
17. rmance of the power module is a wind tunnel Thermal Testing Setup Delta s DC DC power modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment This type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted The following figure shows the wind tunnel characterization setup The power module is mounted on a test PWB and is vertically positioned within the wind tunnel The space between the neighboring PWB and the top of the power module is constantly kept at 6 35mm 0 25 PWB FACING PWB MODULE AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 0 12 7 0 5 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches Figure 19 Wind tunnel test setup DS S48SP05007 05222008 Thermal Derating Heat can be removed by increasing airflow over the module To enhance system reliability the power module should always be operated below the maximum operating temperature If the temperature exceeds the maximum module temperature reliability of the unit may be affected THERMAL CURVES UNE RR EB E E u
18. t after shutdown If the overload condition still exists the module will shut down again This restart trial will continue until the overload condition is corrected For latch mode the module will latch off once it shutdown The latch is reset by either cycling the input power or by toggling the on off signal for one second Over Voltage Protection The modules include an internal output over voltage protection circuit which monitors the voltage on the output terminals If this voltage exceeds the over voltage set point the module will shut down and enter in hiccup mode or latch mode which is optional For hiccup mode the module will try to restart after shutdown If the overload condition still exists the module will shut down again This restart trial will continue until the overload condition is corrected For latch mode the module will latch off once it shutdown The latch is reset by either cycling the input power or by toggling the on off signal for one second Over Temperature Protection The over temperature protection consists of circuitry that provides protection from thermal damage If the temperature exceeds the over temperature threshold the module will shut down and enter in hiccup mode or latch mode which is optional For hiccup mode the module will try to restart after shutdown If the overload condition still exists the module will shut down again This restart trial will continue until the overload cond
19. t room I I I I I I 1 I I I I I I I I I I 1 I I I I I I I I I shese ese ex wee eee td ee ee fo LN L2 Lid NI ELECTRICAL CHARACTERISTICS CURVES maximum input voltage at 25 C Figure 3 temperature Figure 1 DS SA8SPO05007 05222008 E i C la ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On Off Logic DES HMainzi k s DE amp HainsiDk gt gt Figure 4 Turn on transient at full rated load current 5 ms div Figure 5 Turn on transient at zero load current 5 ms div Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input 2V div 2V div For Positive Remote On Off Logic DES Hain LUK 55 S DES HMHainri k gt gt Figure 6 Turn on transient at full rated load current 5 ms div Figure 7 Turn on transient at zero load current 5 ms div Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input 2V div 2V div DS S48SP05007 05222008 xe 4 Ea MES ELECTRICAL CHARACTERISTICS CURVES DES Mains lok 55 Figure 8 Output voltage response to step change in load current 7596 5096 of lo max di dt 0 1A us Load cap 10uF tantalum capacitor and 1uF ceramic capacitor Top Trace Vout 100mV div 50us div Bottom Trace lout 2A div Scope measurement should be made using a BNC cable length short
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