Delta Electronics Series E48SR User's Manual
Contents
1. Over Load lo lo min to lo max t3 10 mV Over Line Vin 36V to 75V 3 10 mV Over Temperature Tc 40 C to 85 C 15 mV Total Output Voltage Range over sample load line and temperature 4 9 5 1 V Output Voltage Ripple and Noise 5Hz to 20MHz bandwidth Peak to Peak Full Load 1uF ceramic 10uF tantalum 60 90 mV RMS Full Load 1uF ceramic 10pF tantalum 15 30 mV Operating Output Current Range 0 12 A Output DC Current Limit Inception Output Voltage 1096 Low 110 150 DYNAMIC CHARACTERISTICS Output Voltage Current Transient 48V 10uF Tan 1uF Ceramic load cap 0 1A us Positive Step Change in Output Current 50 lo max to 75 lo max 170 mV Negative Step Change in Output Current 75 lo max to 50 lo max 170 mV Settling Time within 1 Vout nominal 200 us Turn On Transient Start Up Time From On Off Control 7 ms Start Up Time From Input 7 ms Maximum Output Capacitance Full load 5 overshoot of Vout at startup 5000 UF EFFICIENCY 10096 Load 91 5 60 Load 91 Input to Output 1500 Vdc Isolation Resistance 10 MQ Isolation Capacitance 1500 pF FEATURE CHARACTERISTICS Switching Frequency 350 kHz ON OFF Control Negative Remote On Off logic Logic Low Module On Von off at lon off 1 0mA 0 7 V Logic High Module Off Von off at lon off 0 0 uA 2 18 V ON OFF Control Positive Remote On Off logic Logic Low Module Off Von off at lon off 12. Delphi Series E48SR 66W Eighth Brick Family DC DC Power Modules 48V in 5 0V 12A out The Delphi Series E48SR Eighth Brick 48V input single output isolated DC DC converter is the latest offering from a world leader in power systems technology and manufacturing Delta Electronics Inc This product family provides up to 66 watts of power or 25A of output current 1 8V and below in an industry standard footprint 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 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 DATASHEET DS E48SR05012 05222008 FEATURES High Efficiency 91 5 5 0V 12A Size 58 4mmx22 80mmx8 4mm 2 30 x0 90 x0 33 Standard footprint Industry standard pin out Fixed frequency operation 350KHz Input UVLO Output OCP OVP OTP e 1500V isolation e Basic insulation No minimum load required 2 1 Input voltage range ISO 9001 TL 9000 ISO 14001 QS 9000 OHSAS 18001 certified manufacturing facility UL cUL 60950 1 US amp Canada recognized and TUV EN60950 1 certified CE mark meets 73 23 EEC and 93 68 EEC directive OPTIONS SMT or through hole
3. k 55 0 Figure 8 Output voltage response to step change in load current 75 50 75 of lo max di dt 0 1A us Load cap 10uF tantalum capacitor and 1uF ceramic capacitor Top Trace Vout 100mV div 200us div Bottom Trace out 5A 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 is IL r rr Cae ec Our 33uF ESRD n ESR 0 5 n B20 100KHz 820 100KHz2 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 with a simulated source Inductance Lresr of 12 uH Capacitor Cs offset possible battery impedance Measure current as shown above DS EA8SR05012 05222008 144 Mains4 k 25 0 Figure 9 Output voltage response to step change in load current 75 50 75 of lo max di dt 2 5A us Load cap 330uF 35m Q ESR solid electrolytic capacitor and 1uF ceramic capacitor Top Trace Vout 100mV div 200us div Bottom Trace out 5A 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 DES Mains4k 55 Figure 11 Input Terminal Ripple Current i at full rated output current and nominal input voltage with 12uH source imp
4. 0mA 0 7 V Logic High Module On Von off at lon off 0 0 pA 2 18 V ON OFF Current for both remote on off logic lon off at Von off 0 0V 1 mA Leakage Current for both remote on off logic Logic High Von off 15V 50 uA Output Voltage Trim Range Across Pins 9 amp 5 Pout lt max rated power 10 10 Output Voltage Remote Sense Range Pout lt max rated power 10 Output Over Voltage Protection Over full temp range of nominal Vout 6 V GENERAL SPECIFICATIONS MTBF lo 80 of lo max 300LFM 25C 3 06 M hours Weight 19 6 grams Over Temperature Shutdown Refer to Figure 21 for measuring point 125 C DS_E48SR05012_ 05222008 i a I I EA 3 E E I 1 1 1 1 S i i i i un r M i E i c o i i i i i Y i i i ay I I I I lt J E J J L D y gc Og SY I I e 0 I I I E oar i deg d a deed m g 1 1 I 1 I re OL NEA o 9 e 58 1 1 I 1 1 m J 1 L 4 L a E e gt dA os 68 L I zo I I 1 1 y dE Qs I L I I o I I I I uk ME og 1 i 1 1 1 1 T 1 1 1 gt lt I a I I I GO 5 oe E a E i i i i i p as TE S TE NE u D Uge vzv vzv 2 vz 3E o an ent ot 40 A CQ 04 DS Hols dlSS10 3i d We qu co emi ald fia or eae ace Ge ale ee I oli cM Er nami ls Care nae aio a al o er SS ae M cul E ah lpi A Mee dcin zeli ree ng Ryser a aes eee md re cmi com As ent re de eode CFR OS dks ten incall ed
5. A CU dic mac pests ore cn ecc oe cres INPUT VOLTAGES Figure 3 Typical full load input characteristics at room temperature ses se gets OUTPUT CURRENT Figure 1 Efficiency vs load current for minimum nominal and maximum input voltage at 25 C T q Q AQq qy 4 QqQ Q A tse gt ttt eget tts A A is E A A is E I I I I I I r I I L I I r L I L L I r I I L I L F I L I I 53 BU m ce oo r r e cm 46 2iN3I21 443 ELECTRICAL CHARACTERISTICS CURVES IO LNSSSH Lodhi DS EA8SR05012 05222008 Ea MES ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On Off Logic Figure 4 Turn on transient at full rated load current resistive Figure 5 Turn on transient at zero load current 2 ms div load 2 ms div Vin 48V Top Trace Vout 2V div Bottom Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input Trace ON OFF input 5V div 5V div For Positive Remote On Off Logic XX MainzrlM gt m XX MainrlM gt Figure 6 Turn on transient at full rated load current resistive Figure 7 Turn on transient at zero load current 2 ms div load 2 ms div Vin 48V Top Trace Vout 2V div Bottom Vin 48V Top Trace Vout 2V div Bottom Trace ON OFF input Trace ON OFF input 5V div 5V div DS_E48SR05012_ 05222008 wer Ea MES ELECTRICAL CHARACTERISTICS CURVES DE amp Mainzd
6. XXX in 0 010 in RECOMMENDED PAD LAYOUT SMD 58 4 2 30 2 50 10 50 80 2 000 O1 Vin Vout 8C e SENSE YOT O 2 ON OFF TRIM 60 f C d SENSESO a SS Vin Vout 40 x 22 60 0 102 zb PAD 8X M RECOMENDED P W B PAD LAYOUT NOTES DIMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmm 0 5mm X XX in 0 02 in X XXmmzt0 25mm X XXX in 0 010 in DS EA8SR05012 05222008 NOTES CONFORMS TO ElA 481 SATNDARD MODULES ARE SHIPPED IN QUANTITIES OF 100 PER REEL ALL DIMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmmz0 5mm X XX in 0 02 in X XXmmzt0 25mm X XXX in 0 010 in LEADED Sn Pb PROCESS RECOMMEND TEMP PROFILE Peak temp 2nd Ramp up temp 210 230 C 5sec 1 0 3 0 C sec 250 Pre heat temp Oe oe 140 180C 60 120sec 7 w a ait Ramp up temp gt Cooling down rate lt 3 C sec B 150 4 0 5 3 0C sec g 100 Over 200 C E 40 50sec cA 0 60 120 180 240 300 Time sec Note The temperature refers to the pin of E48SR measured on the pin Vout joint LEAD FREE SAC PROCESS RECOMMEND TEMP PROFILE Temp 1 Peak Temp 240 245 C 217 C p mM MMC Ramp down o max 4 C sec 200 C Besse
7. sce es ce see 150 C Preheat time lt q 109 199 Sad Time Limited 90 sec above 217 C Ramp up max 3 C sec 25 C Time gt Note The temperature refers to the pin of E48SR measured on the pin Vout joint DS E48SR05012 05222008 ae 43 MECHANICAL DRAWING Surface mount module Through hole module RQ Z Y ey C C E A ZN C O 3 S 2 N c i YS C C 2 a a DD Pi O e LO O YY N 2 oe T LS LO O x e d a a 4 V p p M J CO s MO Ew LO O f 15 A Na A 7 of DN CE PSOE EN a E x NE VES E 30 6017 000 S Ol ES 2 610 15 0 80 2 0007 al x ES x A MS O ee ESA MAP ote ae NUR cj ek E eM x A A MIos CS ND x N EN y C N J ra SO Ser CY Y coo co AN f NO PL s LO S LO a d Vin Vou Y FVin Vout Y o TOL d i id gt 19 1 i i C SENSE o 7 C TSENSE 7 ON OFF R Ak Y a ON OFF i C g f TRM o g C 2 TRM 36 a S 00 SENSE 9 9 oO SENSE 5 4 Vout r T 1 r VAT FTI J V Y P V Lt wA V V i ZO oS 6 M ND pm NON 4 MON 2 4 wo 2 re o M 00 O N 2 C us B x B E as O Nach 7 Nein NDS ze SS 06 C S cd EOM CX S pm ia YY MV i i E Oy LLLLLLLLML LD i l AZ LLLLLLL Z LLL ZA 7 i T X i i X X Yor OC ADT Z OS
8. versions Positive on off logic Short pin lengths APPLICATIONS Telecom Datacom e Wireless Networks Optical Network Equipment Server and Data Storage Industrial Testing Equipment A MELTA Delta Electronics Inc En TECHNICAL SPECIFICATIONS T 25 C airflow rate 300 LFM V 48Vdc nominal Vout unless otherwise noted PARAMETER NOTES and CONDITIONS E48SR05012 Standard Min Typ Max Units Input Voltage Continuous 75 Vdc Transient 100ms 100ms 100 Vdc Operating Temperature Refer to Figure 21 for measuring point 40 121 C Storage Temperature 55 125 C Input Output Isolation Voltage 1500 Vdc INPUT CHARACTERISTICS 36 75 Operating Input Voltage Vdc Input Under Voltage Lockout Turn On Voltage Threshold oo 34 35 Vdc Turn Off Voltage Threshold 31 32 33 Vdc Lockout Hysteresis Voltage 1 9 2 2 5 Vdc Input Over Voltage Lockout Turn Off Voltage Threshold 100 105 107 Vdc Turn On Voltage Threshold 97 102 104 Vdc Maximum Input Current 100 Load 36Vin 1 83 A No Load Input Current 40 mA Off Converter Input Current 4 mA Inrush Current I t 1 A s Input Reflected Ripple Current P P thru 12uH inductor 5Hz to 20MHz Output Voltage Set Point Vin 48V lo lo max Tc 25 C 4 925 20 0 5 075 mA Input Voltage Ripple Rejection 120 Hz dB OUTPUT CHARACTERISTICS 5 Vdc Output Voltage Regulation
9. 170 For different remote on off logic and pin length please refer to part numbering system above or contact your local sales office 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 x 6220 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 E48SR05012 05222008 P 15
10. A0 DIA N PLIgTN OAR lE E Fl amp MER 2 E X CUSTOMER BOARD 5 00 0 040 DIA NCUSIOMER BOARD M ter Cb gt I ATER DCD 3 SOLDER F LA a COPPER an i 328 5 6X ROALD ENTIA zs 33 TTAVAJN 1 MINA UOU Jl WIT n a Aa NGHA SED SQVNV UVOUV JU WITH 0 0 08 SHOULDER A AARAA ROR Ag MAN eal Sf gt 00 0 08 VULG Za VAIN AD SOLDER SULDER FPLAIED COPPER SE LR a RING II ner 2 5 0 10 SHOULDER U YV j ERS J N 2 91 LJ at CV 4 Y IN D A GA i fay MOY d 2X PLATED COPPER le WIT A r HK a c m 30 LIN 1a 0 DIMENSIONS ARE NM S AND NOCHES TOLERANCES X XmmE nm X XX in 0 02 in X XXmMmmMmE0 23mmM X XXX in 0 010 in Z x Name Vin Function Positive input voltage ONDOORKRWDND 2 ON OFF Vin Vout SENSE TRIM SENSE Vout DS EA8SR05012 05222008 Remote ON OFF Negative input voltage Negative output voltage Negative remote sense Output voltage trim Positive remote sense Positive output voltage 14 En PART NUMBERING SYSTEM E a s R oo 2 on R MA Product Voltage Outputs Series Voltage Current Logic Length Type E Eighth 48V S Single R Regular 050 5 0V 12 12A N Negative R 0 170 F RoHS 6 6 Standard Functions Brick Default Default Lead Free P Positive N 0 145 K 0 110 M SMD MODEL LIST OUTPUT Default remote on off logic is negative and pin length is 0
11. age output voltage change is defined as i 1 Rtrim up E 10 2 KQ Ex When Trim up 10 9Vx1 1 5 5V 5 11x5x 100 10 511 10 2 168 KQ 1 225 x10 10 Rtrim up The output voltage can be increased by both the remote sense and the trim however the maximum increase is the larger of either the remote sense or the trim not the sum of both When using remote sense and trim the output voltage of the module is usually increased which increases the power output of the module with the same output current Care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated power 10 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 performance 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 setu
12. edance and 33uF electrolytic capacitor 500 mA div 2us div RESISTIVE LOAD Figure 13 Output voltage noise and ripple measurement test setup DS EA8SR05012 05222008 ELECTRICAL CHARACTERISTICS CURVES DES Maintdk 55 Figure 12 Input reflected ripple current is through a 12uH source inductor at nominal input voltage and rated load current 20 mA div 2us div in ELECTRICAL CHARACTERISTICS CURVES 244 Mainzdk gt gt a 55 E tn OUTPUT VOLTAGE AA H Lo in eO ro D LOAD CURRENT A Figure 14 Output voltage ripple at nominal input voltage and Figure 15 Output voltage vs load current showing typical rated load current lo 12A 20 mV div 2us 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_E48SR05012_05222008 aS 7 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 pF electrolytic capacitor ESR lt 0 7 O at 100 kHz mounted close to the input of the module to
13. 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 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_E48SR05012_ 05222008 The input source must be insulated from the ac mains by reinfo
14. le 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 to floating DS_E48SR05012_ 05222008 Figure 16 Remote on off implementation Remote Sense Remote sense compensates for voltage drops on the output by sensing the actual output voltage at the point of load The voltage between the remote sense pins and the output terminals must not exceed the output voltage sense range given here Vo Vo SENSE SENSE lt 10 x Vout This limit includes any increase in voltage due to remote sense compensation and output voltage set point adjustment trim Contact and Distributior Losses Figure 17 Effective circuit configuration for remote sense operation If the remote sense feature is not used to regulate the output at the point of load please connect SENSE to Vo and SENSE to Vo at the module The output voltage can be increased by both the remote sense and the trim however the maximum increase is
15. p 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 FACING PWB PWB MODULE AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 0 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches Figure 20 Wind tunnel test setup DS EA8SR05012 05222008 Thermal Derating Heat can be removed by increasing airflow over the module The hottest point temperature of the module is 121 C 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 TOC E CO AA 2 PANA gt FIN Figure 21 Hot spot temperature measured point The allowed maximum hot spot temperature is defined at 121 C E48SR05012 Standard Output Load vs Ambient Temperature and Air Velocity 3 Output Current A Vin 48V Transverse Orientation Natural Convection 100LFM 200LFM 55 60 65 70 75 80 85 Ambient Temperature C Figure 22 Output load vs ambient temperatu
16. ppropriate soldering and cleaning procedures please contact Delta s 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 hiccup mode The modules 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 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 latch off The over voltage 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 The module will try to restart after shutdown If the over temperature condition still exists during restart the module will shut down again This restart trial will continue until the temperature is within specification Remote On Off The remote on off feature on the modu
17. rced or double insulation The input terminals of the module are not operator accessible 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 Il 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 5A 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 a
18. re and air velocity Vin 48V Transverse Orientation 11 58 4 2 30 BETTE SN s usn 27060387 PIN 1 I 26 500 1 0423 Ed 9 934 9 9 99379669 934 rd l c conce Jood Joo Oy I S Gedy GPS HES i a Hn x H cR DERI ES Aaa o E a LL o 5 Ai EE pp rr SAR fied D Kcd Pl o al lona loge 3 noo A ILI d ER De i ESET STESTETET EET ETETESCES Y E 1 9 E 7 i a TOP COVER Wes E EMBOSSED CARRIER 7 0 0 28 MIN AREA B PICK AND PLACE LOCATION 0 0 13 00 13 0 0 51 NOTES fe ALL DIMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmm 0 5mm X XX in 0 02 in XXXxmm 0 25mm X
19. the larger of either the remote sense or the trim not the sum of both When using remote sense and trim the output voltage of the module is usually increased which increases the power output of the module with the same output current Care should be taken to ensure that the maximum output power does not exceed the maximum rated power FEATURES DESCRIPTIONS CON Output Voltage Adjustment TRIM To increase or decrease the output voltage set point the modules may be connected with an external resistor between the TRIM pin and either the SENSE or SENSE The TRIM pin should be left open if this feature is not used Vo Sense R f Load Trim Sense Vo Figure 18 Circuit configuration for trim down decrease output voltage If the external resistor is connected between the TRIM and SENSE pins the output voltage set point decreases Fig 18 The external resistor value required to obtain a percentage of output voltage change A is defined as Rtrim down Z 10 2 KQ Ex When Trim down 10 5Vx0 9 4 5V 511 Rtrim down 10 2 40 9 KQ DS_E48SR05012_ 05222008 Vo Sense Trim Load Sense Vo Figure 19 Circuit configuration for trim up increase output voltage If the external resistor is connected between the TRIM and SENSE the output voltage set point increases Fig 19 The external resistor value required to obtain a percent
Download Pdf Manuals
Related Search