Delta Electronics H48SV User's Manual
Contents
1. THERMAL CURVES 20mm 1 17 rr O O eVin Vout 0 gt e0N OFP SENSE gle TRIM o CASE SENSE I Vin J Vout o O Figure 21 Hot spot temperature measured point The allowed maximum hot spot temperature is defined at 105 C The over temperature shutdown is 117 C H48SV05030 Standard Output Current vs Ambient Temperature and Air Velocity Output Current A Vin 48V Either Orientation no Heat sink 35 100LFM 15 F 200LFM 300LFM 400LFM 500LFM 600LFM 35 40 45 50 55 60 65 70 Figure 22 Output current vs ambient temperature and air velocity Vin 48V transverse Orientation no heat sink 75 80 85 Ambient Temperature C 11 MECHANICAL DRAWING Pin No CONDOR WN 9 MOUNTING INSERTS M3X0 9 THROUGH a 4x lo N LO 3 1 02 0 040 DIA ra SOLDER PLATED COPPER gt 7X a slo l g lt ui O Y Si Ti i 1 Vin SVANE AO 41 i 3 2 i o 2 CASE SENSE 8 o Y 2 YS E ES TRIM 7 Lele Oo oj 9 O ol ti o 3 ON OFF SENSE 6 0 pla O 19 LO LO o 4 Vin Vout 5 l Y Y 2 00 0 079 DIA SOLDER PLATED COPPER 2X 4 7 0 19 48 3 1 90 ee 57 9 2 28 a Name2. Delphi Series H48SV 150W Half Brick Family DC DC Power Modules 48V in 5V 30A out The Delphi Series H48SV Half Brick 48V input single output isolated DC DC converters are the offering from a world leader in power systems technology and manufacturing Delta Electronics Inc This product family provides an extremely cost effective solution for up to 150 watts of power or 40A of output current 3 3V model in an industry standard footprint The H48SV series has an insulated metal baseplate construction and all the power dissipation components are mounted directly onto this insulated metal baseplate This provides a great thermal management of the module and a superior thermal interface to a heatsink 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 All H48SV models are fully protected from abnormal input output voltage current and temperature conditions The Delphi H48SV Series converters meet all safety requirements with basic insulation DATASHEET DS_H48SV05030_04262006 FEATURES 4 High Efficiency 90 5 5 0V 30A Size 61 0x57 9x12 7mm 2 40 x2 28 x0 50 Standard footprint Industry standard pin out Fixed frequency operation Metal baseplate Input UVLO Output OCP OVP OTP 1500V isolation Basic insulation No minimum lo
3. 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 En ELECTRICAL CHARACTERISTICS CURVES INPUT TERMINAL RIPPLE CURRENT Ic A 200mA div INPUT REFLECTED RIPPLE CURRENT Is A 20mA div DI TIME t 2us div TIME t 2us div Figure 11 Input Terminal Ripple Current ic 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 200 mA div 20 mA div RESISTIVE LOAD Figure 13 Output voltage noise and ripple measurement test setup DS_H48SV05030_08102007 PE 6 ELECTRICAL CHARACTERISTICS CURVES OUTPUT WO LTAGE NI I I I T I I L I I I allea r 1 im ii ni ML in i ee po q OUTPUT VOLTAGE Vo v 20mV div Lado ra LlLo J o 3 10 15 20 25 30D 35 40 45 LOAD CURRENT A TIME t 1us div Figure 14 Output voltage ripple at nominal input voltage Figure 15 Output voltage vs load current showing typical Vin 48V and rated load current lo 30A 20 mV div Load current limit curves and converter shutdown points capacitance 1uF ceramic capacitor and 10uF tantalum capacitor Bandwidth 20 MHz Scope measurement should be made using a BNC cable length shorter than 20 inches Position the lo
4. 6107 ext 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 com 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_H48SV05030_08102007 13
5. Vin Case ON OFF Vin Vout SENSE TRIM SENSE Vout Pin Specification Pins 1 4 6 8 Pins 5 amp 9 BOTTOM VIEW A SA Coi ew S 3 IS SIDE VIEW ojm O NOTES DIMENSIONS ARE IN MILLIM 2S AND INCHES TOLERANCES X Xmmt0 5mm X XX in 0 02 in X XXmmxt0 25mm X XXX in 0 010 in Function Negative input voltage Case Ground Remote ON OFF Positive input voltage Positive output voltage Positive remote sense Output voltage trim Negative remote sense Negative output voltage 1 02mm 0 040 diameter 2 00mm 0 079 diameter All pins are copper with Tin plating DS_H48SV05030_08102007 12 PART NUMBERING SYSTEM aje OoN R E Input Number of Product Output Output ON OFF Pin Length Option Code Voltage Outputs Series Voltage Current Logic H Half Brick 48V S Single V Value line 050 5V 30 30A N Negative F RoHS 6 6 A Standard P Positive Lead Free Functions MODEL LIST MODEL NAME INPUT OUTPUT EFF 100 LOAD H48SV3R310NRFA 36V 75V 1 3A 3 3V 10A 89 5 Default remote on off logic is negative and pin length is 0 170 For different remote on off logic and pin length please refer to part numbering system above or contact your local sales CONTACT www delta com tw dcdc USA Europe Asia amp the rest of world Telephone Phone 41 31 998 53 11 Telephone 886 3 452
6. ace Vout 2V div Bottom Trace ON OFF input Trace ON OFF input 5V div 5V div DS_H48SV05030_08102007 3 4 En ELECTRICAL CHARACTERISTICS CURVES Vo 100mV div Io A 10A div OUTPUT CURRENT OUTPUT VOLTAGE TIME t 200us div Figure 8 Output voltage response to step change in load current 50 75 50 of Imax dl dt 0 1A us Vin 48V Load cap 10uF tantalum capacitor and 1uF ceramic capacitor Top trace Vout 100mV div Bottom trace lout 10A div Scope measurement should be made using a BNC cable length shorter than 20 inch Position the load between 51 mm and 76 mm 2 inches and 3 inches from the module is gt rara ca 220UF 32UF L ESREll n ESR 0 5 n B20 100KHz 8202 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 with a simulated source Inductance Ltest of 12uH Capacitor Cs offset possible battery impedance Measure current as shown above DS_H48SV05030_08102007 Vo 100mV div To A 10A div OUTPUT CURRENT OUTPUT VOLTAGE TIME t 200us div Figure 9 Output voltage response to step change in load current 75 50 75 of lo max di dt 2 5A us Load cap 470uF 35mQ ESR solid electrolytic capacitor and 1uF ceramic capacitor Top Trace Vout 100mV div Bottom Trace lout 10A div Scope measurement should be made
7. ad between 51 mm and 76 mm 2 inches and 3 inches from the module DS_H48SV05030_08102007 PE 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 UF electrolytic capacitor ESR lt 0 7 Q 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 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 co
8. ad required 2 1 Input voltage range ISO 9001 TL 9000 ISO 14001 QS 9000 OHSAS 18001 certified manufacturing facility UL cUL 60950 US amp Canada Recognized and TUV EN60950 Certified CE mark meets 73 23 EEC and 93 68 EEC directives OPTIONS 4 Positive Remote On Off logic Short pin lengths available APPLICATIONS Telecom Datacom Wireless Networks Optical Network Equipment Server and Data Storage Industrial Testing Equipment Delta Electronics Inc TECHNICAL SPECIFICATIONS T 25 C airflow rate 300 LFM Vin 48Vdc nominal Vout unless otherwise noted PAMA a 0 1g o 0 15 1D 0 4 JOU sigo Min Typ Max Units ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous 80 Vdc Transient 100ms 100ms 100 Vdc Operating Temperature Refer to figure 21 for measuring 40 105 C Storage Temperature 55 125 uo Input Output Isolation Voltage 1 minute 1500 Vdc Operating Input Voltage 36 48 9 Vdc Input Under Voltage Lockout Turn On Voltage Threshold 33 34 35 Vdc Turn Off Voltage Threshold 31 32 33 Vdc Lockout Hysteresis Voltage 1 2 3 Vdc Maximum Input Current 100 Load 36Vin 5 5 A No Load Input Current 100 150 mA Off Converter Input Current 5 10 mA Inrush Current I t 0 015 Afs Input Reflected Ripple Current P P thru 12uH induct
9. al 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 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 to floating DS_H48SV05030_08102007 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 l
10. at lon off 0 0 pA 18 V ON OFF Control Positive Remote On Off logic Logic Low Module Off Von off at lon off 1 0mA 0 0 8 V Logic High Module On Von off at lon off 0 0 yA 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 18V 50 uA Output Voltage Trim Range Across Pins 9 8 5 Pout lt max rated power 20 10 Output Voltage Remote Sense Range Pout lt max rated power 10 Output Over Voltage Protection Over full temp range of nominal Vout 115 122 130 GENERAL SPECIFICATIONS MTBF lo 80 of lo max Tc 40 C 3 M hours Weight 58 grams Over Temperature Shutdown Refer to figure 22 for measuring 117 C DS_H48SV05030_08102007 as lt Y Oo Y c Y as I Lea o 5 A E a E SO 53 O LO JS Tu oe WV So D y D E gt 6 A n S x as i Q 3 RQ y i QS v I O g E L g a E QA D5 LO S o o o o o o o N _ O 00 O Y N N x L c U gt E M NOILVdISSIG YIMOd D O LL ues DE e L c Y a8 232 O ds O HE 0 gt O Cc i o LO cL E N 5 o de 5 gt oc E 5 LLI O S EN 5 v O em g s DE O lt gt 1 16 39 PU L DA gt O S Y 2 I Ln SS E gt S lt 35 8 Cc gt O S gt 3 D oc 23 8 S Z Q in gt ly S ie
11. e 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 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 sign
12. l resistor value required to obtain a percentage of output voltage change is defined as 2Vo 1 4 Vo 0 5 Vo 1 4 Rtrim down Ex When Trim down 20 5 0Vx0 8 4V IAS 35 1202 Rtrim down 3 KQ DS_H48SV05030_08102007 Vo Sense R 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 23 The external resistor value required to obtain a percentage output voltage change A is defined as eo Ka o 1 A Vo Rtrim up Ex When Trim up 10 5 0Vx1 1 5 5V 2x5 1 0 1 5 5 1 0 1 5 Rtrim up 32 KQ 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 C
13. lt O o o LO LO Oo LO o n gt va a O O oe 00 N N O E DS 00 LLI Ss oc on oo n o n o n o n o 3 ml ONTOS Da A Ue d L LL LL CHL SHH Lodhi Lu vi a En ELECTRICAL CHARACTERISTICS CURVES For Negative Remote On Off Logic Vo V Vo V REMOTE ON OFF OUTPUT VOLTAGE o REMOTE ON OFF OUTPUT VOLTAGE VOLTAGE Vonoff V VOLTAGE Von off V SO O TIME t 2ms div TIME t 2ms div Note Tested with a 10uF aluminum and a 1 0uF ceramic capacitor Note Tested with a 10uF aluminum and a 1 0uF ceramic capacitor across the load across the load 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 Vo V Vo V So REMOTE ON OFF OUTPUT VOLTAGE REMOTE ON OFF OUTPUT VOLTAGE VOLTAGE Vowoff V VOLTAGE Von off V So TIME t 2ms div TIME t 2ms div Note Tested with a 10uF aluminum and a 1 0uF ceramic capacitor Note Tested with a 10uF aluminum and a 1 0uF ceramic capacitor across the load across the load 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 Tr
14. nverter 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_H48SV05030_08102007 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 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 20A maximum rating to be installed in the ungrounded lead A lower rated fuse can b
15. onvection 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 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 20 Wind Tunnel Test Setup DS_H48SV05030_08102007 Thermal Derating Heat can be removed by increasing airflow over the module The module s maximum case temperature is 105 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
16. or 5Hz to 20MHz 15 mA Input Voltage Ripple Rejection 120 Hz 65 dB OUTPUT CHARACTERISTICS Output Voltage Set Point Vin 48V lo lo max Tc 25 C 4 92 5 00 5 08 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 30 100 mV Total Output Voltage Range over sample 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 50 100 mV RMS Full Load 1uF ceramic 10uF tantalum 15 30 mV Operating Output Current Range 0 30 A Output DC Current Limit Inception Output Voltage 10 Low 110 150 DVNA ADA 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 250 mV Negative Step Change in Output Current 75 lo max to 50 lo max 250 mV Settling Time within 1 Vout nominal 200 US Turn On Transient Start Up Time From On Off Control 10 20 ms Start Up Time From Input 10 20 ms Maximum Output Capacitance Full load 5 overshoot of Vout at startup 10000 uF EFFICIENCY 100 Load 90 5 60 Load 90 5 OLATIO ARA Input to Output 1500 Vdc Input to Case 1500 Vdc Output to Case 500 Vdc Isolation Resistance 10 MQ Isolation Capacitance 1300 pF Switching Frequency 300 kHz ON OFF Control Negative Remote On Off logic Logic Low Module On Von off at lon off 1 0mA 0 0 8 V Logic High Module Off Von off
17. t 10 x Vout This limit includes any increase in voltage due to remote sense compensation and output voltage set point adjustment trim Contact Contact and Distributior Resistance 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 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 ER 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 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 22 The externa
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