Delta Electronics Series H48SR User's Manual
Contents
1. H BBBB J M m m 8 E m mn m gg P ag m w a8 d m Ua uu ibd a mu r _ O pe O ABEL o Ho Qr OC C5 a CO SP TU Figure 18 Hot spot location unit in mm de RBGOMR A Output Current vs Ambient Temperature and Air Velocity Vout 1 87 64 Currerg A Either C Orlantetion 200LFM 300LFM Figure 20 Output current vs ambient temperature and air velocity Vin 48V 75V Vou 1 8V DS H48SR1R860 06272006 90 100 Ambient Temperature C PABSR1 R860NR A Output Current vs Ambient Temperature and Air Velocity Vout 0 8V 100 110 Ambient Temperature C Figure 19 Output current vs ambient temperature and air velocity Vin 48V 75V Vou 0 8V H4B8SR1RBG0HR A Power Dissipation vs Ambient Temperature and Air Velocity Vout 1 8 Power Dissipation Watts Either Orientation 15 600LFM 500LFM Natural oo 0 A00LFM 100LFM i 200LFM A a 0 10 20 30 ap 50 6 80 8 nnion oeras HA Figure 21 Power dissipation vs ambient temperature and air2. Delphi Series H48SR 200W Half Brick Family DC DC Power Modules 48V in 1 8V 60A out The Delphi Series H48SR Half Brick 48V input adjustable single output isolated open frame DC DC converters are the latest offering from a world leader in power systems technology and manufacturing Delta Electronics Inc This product family provides up to 200 watts of power or up to 80A of output current in an industry standard footprint This product represents the next generation of design technology which may be utilized to provide high levels of current at very low output voltages required by today s leading edge circuitry Utilizing an advanced patented thermal and electrical design technology the Delphi Series H48SR converters are capable of providing higher output current capability with excellent transient response and lower common mode noise Featuring a wide operating output voltage range and high current at low output voltages these units offer more useable power over a wide range of ambient operating conditions The wide range trimmable output feature allows the user to both reduce and standardize part numbers across different and or migrating voltage requirements DS _H48SR1R860_06272006 FEATURES High Efficiency 88 1 8V 60A Standard footprint 58 4 x 61 0 x 11 7mm 2 30 x2 40 x0 46 Industry standard pin out Startup into pre biased load Fixed frequency operation Fully protected OTP OVP OCP UVLO No
3. 1 9 1 8 1 8 0 05556 I 1 8 1 05556 1 225 1 225 0 05556 1KO 288 18KO Rtrim up xlOKO DS H48SR1R860 06272006 Vo Sense R f Load Trim Sense Vo Figure 24 Circuit configuration for trim down decrease output voltage If the external resistor is connected between the TRIM and SENSE the output voltage set point decreases Fig 24 The external resistor value required to obtain a percentage output voltage change A is defined as Rtrim down A ae 11kQ where Vonom nominal Vout 1 8V A trim expressed as decimal fraction i e 40 is written as 0 4 Ex When trim down to 0 8V from 1 8V Vonom 1 8V A 1 8 0 8 1 8 0 5556 L 11KQ 7kKQ Rtrim down 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 ow o Figure 25 Trim resistor value example for popular output voltages Connect the resistor between the TRIM and SENSE pins NM X t 2 THERMAL CONSIDERATIONS Thermal ma
4. USA Europe Asia amp the rest of world Telephone Telephone 41 31 998 53 11 Telephone 886 3 4526107 x6220 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 H48SR1R860 06272006
5. 13 Input Terminal Ripple Current i at full rated output current and nominal input voltage with 12uH source impedance and 33uF electrolytic capacitor 500 mA div RESISTIVE LOAD Figure 15 Output voltage noise and ripple measurement test setup OUTPUT VOLTAGE V 0 10 20 30 40 50 60 70 80 LOAD CURRENT A Figure 17 Output voltage vs load current showing typical current limit curves and converter shutdown points DS H48SR1R860 06272006 ELECTRICAL CHARACTERISTICS CURVES NORM 100MS s 2us div 2us div Stopped q CH4 10mV Figure 14 Input reflected ripple current is through a 12uH source inductor at nominal input voltage and rated load current 5 mA div zh POTE DS as ZW ay 1 EUS EY CHE mc El EB 1 Figure 16 Output voltage ripple at nominal input voltage and rated load current 50 mV div Load 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 load between 51 mm to 76 mm 2 inches to 3 inches from the module
6. Low Module ON Logic Low Von off at lon off 1 0mA 0 0 8 V Logic High Von off at lon off 0 0 uA 15 V ON OFF Current lon off at Von off 0 0V 1 mA Leakage Current Logic High Von off 15V 50 uA Output Voltage Trim Range Across Pins 9 amp 5 Pout lt max rated power 0 8 1 9 V Output Voltage Remote Sense Range Pout lt max rated power 10 Output Over Voltage Protection Over full temp range of nominal Vout 115 130 155 GENERAL SPECIFICATIONS EN MTBF lo 80 of lo max Ta 25 C airflow rate 300 LFM 15 M hours Weight 66 grams Over Temperature Shutdown Power Region Temperature 130 C 2 DS H48SR1R860 06272006 ELECTRICAL CHARACTERISTICS CURVES 24 0 96Vin N Oo EFFICIENCY 96 eo O POWER DISSIPATION W 12 0 8 0 4 0 0 0 10 20 30 40 50 60 10 20 30 40 50 60 OUTPUT CURRENT A OUTPUT CURRENT A Figure 1 Efficiency vs load current for minimum nominal and Figure 2 Power dissipation vs load current for minimum maximum input voltage at 25 C Vout 1 8V nominal and maximum input voltage at 25 C Vout 1 8V 4 90 24 0 x S z 95 2 20 0 lt x LL o m D a 80 x 16 0 z T 75 12 0 70 8 0 65 4 0 60 0 0 10 20 30 40 50 60 10 20 30 40 50 60 OUTPUT CURRENT A OUTPUT CURRENT A Figure 3 Efficiency vs load current for minimum nominal and Figure 4 P
7. 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 M Da 7 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 Trim Load Sense Vo Figure 23 Circuit configuration for trim up increase output voltage If the external resistor is connected between the TRIM and SENSE pins the output voltage set point increases Fig 23 The external resistor value required to obtain a percentage of output voltage change A is defined as Vonom I A Vref 10kQ 11kQ VrefA Rtrim up where Vonom nominal Vout 1 8V Vref 1 225V A trim expressed as decimal fraction i e 10 is written as 0 1 Ex When trim up to 1 9V from 1 8V Vonom 1 8V Vref 1 225V A
8. minimum load required Wide output trim range Fast transient response Basic insulation ISO 9001 TL 9000 ISO 14001 QS9000 OHSAS18001 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 Short lead lengths e Latching non latching over voltage protection Positive remote on off 100V 100ms transient capability or 80V input OVLO APPLICATIONS Telecom DataCom e Wireless Networks Optical Network Equipment Server and Data Storage Industrial Test Equipment Anew Delta Electronics Inc Nag TECHNICAL SPECIFICATIONS Ta 25 C airflow rate 300 LFM Vin 48Vdc nominal Vout unless otherwise noted Ar d J slate UNL J AFobo ewe ntolelel ih inimi Min Max Units Input Voltage Continuous 80 Vdc Transient 100ms 100ms 100 Vdc Operating Device Temperature Tc 40 115 C Storage Temperature 55 125 C HERE Son Voltage 1 minute 1500 Vdc Operating Input Voltage 36 48 75 Vdc Input Under Voltage Lockout Turn On Voltage Threshold 32 0 34 Jo Vdc Turn Off Voltage Threshold 31 32 33 5 Vdc Lockout Hysteresis Voltage 1 2 3 Vdc Maximum Input Current 100 Load 36Vin 3 7 A No Load Input Current 100 140 mA Off Converter Input Current 15 25 mA Inrush Current I t 0 03 A S Input Reflected Ripple Current P P thru 12uH inductor 5Hz to 20M
9. velocity Vin 48V 75V Vou 0 8V 1 8V NE 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 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 When the input source is 60 Vdc or below 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 mo
10. Hz M ue Input Voltage Ripple Rejection 120 Hz OUTPUT CHARACTERISTICS Output Voltage Set Point Vin 48V lo lo max Tc 25C 1 75 1 85 Vdc Output Voltage Regulation Over Load lo lo min to lo max 2 7 mV Over Line Vin 36V to 75V 2 5 mV Over Temperature Tc 40 C to 100 C 20 50 mV Total Output Voltage Range over load line and temperature TBD TBD V Output Voltage Ripple and Noise 5Hz to 2OMHz bandwidth Peak to Peak Full Load 1uF ceramic 10uF tantalum 70 120 mV RMS Full Load 1uF ceramic 10uF tantalum 20 40 mV Operating Output Current Range 0 60 A Output DC Current Limit Inception Output Voltage 10 Low 105 130 Output Voltage Current Transient 48V 10yF Tan amp 1uF Ceramic load cap 0 _ Positive Step Change in Output Current 50 lo max to 75 lo max 50 100 mV Negative Step Change in Output Current 7596 lo max to 5096 lo max 50 100 mV Settling Time within 196 Vout nominal 200 uS Turn On Transient Start Up Time From On Off Control 10 20 mS Start Up Time From Input 40 C to 125 C 20 40 3 Maximum Output Capacitance Full load 596 overshoot of Vout at startup 20000 EFFICIENCY 10096 Load 6096 Load TE 7 OLATIO ARA Input to Output 1500 Vdc Isolation Resistance 10 m Isolation Capacitance 3000 Switching Frequency 240 kHz ON OFF Control Logic
11. dule s output to meet SELV requirements all of the following must be met The input source must be insulated from any hazardous voltages including the ac mains with reinforced insulation One Vi pin and one Vo pin are grounded or all the input and output pins are kept floating The input terminals of the module are not operator accessible If the metal baseplate is grounded the output must be also grounded A SELV reliability test is conducted on the system where the module is used to ensure that under a single fault hazardous voltage does not appear at the module s output DS H48SR1R860 06272006 Do not ground one of the input pins without grounding one of the output pins This connection may allow a non SELV voltage to appear between the output pin and ground 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 powe
12. eee Figure 11 Output voltage response to step change in load current 75 50 75 of lo max di dt 2 5A us Load cap 4 0uF 35mQ ESR solid electrolytic capacitor and 1uF ceramic capacitor Top Trace Vout 100mV div Bottom Trace lout 20A 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 DS H48SR1R860 06272006 2us div AVG SMS s q 200us div Stopped CH3E20mV CH4 10mY Figure 10 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 20 mV div Bottom Trace lout 20A 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 38uF ESR 5 4 B20 100KHz Cad 2 0uF ESRAO1 Kant 100KHz Figure 12 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 Lrgsr of 12 uH Capacitor Cs offset possible battery impedance Measure current as shown above Sa E NORM100MS 75 2us div Stopped J 2us div i CHizl mV RC 11 Traced P P 8 00 Rms 2 574 SO Figure
13. l 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 floating DS H48SR1R860 06272006 Figure 22 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 Contac and Distributor Losses Figure 23 Effective circuit configuration for remote sense operation If the remote sense feature is not used to regulate the output at the point of
14. nagement is an important part of the FACING PWB PWB system design To ensure proper reliable operation sufficient cooling of the power module is needed over MODULE 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 AIR VELOCITY t AND AMBIENT unnel TEMPERATURE MEASURED BELOW THE MODULE 50 8 2 0 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 Note Wind Tunnel Test Setup Figure Dimensions are in millimeters and Inches the power modules are mounted Figure 26 Wind Tunnel Test Setup 12 7 0 5 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 Thermal Derating Heat can be removed by increasing airflow over the module The module s maximum device temperature is 115 C and the measured location is illustrated in Figure 18 To enhance system reliability the power module should always be operated below the maxim
15. ower dissipation vs load current for minimum maximum input voltage at 25 C Vout 0 8V nominal and maximum input voltage at 25 C Vout 0 8V DS H48SR1R860 06272006 ELECTRICAL CHARACTERISTICS CURVES 90 24 0 z 3 z 20 0 B o 86 2 m x 16 0 84 O 12 0 82 8 0 80 78 4 0 76 0 0 a me 12 s 1 6 1 8 0 8 1 0 1 2 1 4 1 6 1 8 OUTPUT VOLTAGE V OUTPUT VOLTAGE V Figure 5 Efficiency vs output voltage for minimum nominal Figure 6 Power dissipation vs output voltage for minimum and maximum input voltage at 25 C lout 60A nominal and maximum input voltage at 25 C lout 60A NORM 500k s 2ms div 50 Stopped q 2ms div INPUT CURRENT A I o 3 0 2 0 0 0 30 35 40 45 50 55 60 65 70 75 INPUT VOLTAGE V Figure 7 Typical input characteristics at room temperature Figure 8 Turn on transient at full rated load current resistive load 1 ms div Top Trace Vout 1V div Bottom Trace ON OFF input 2V div DS H48SR1R860 06272006 IN ELECTRICAL CHARACTERISTICS CURVES NORM 500kS s ams div q 2ms div Stopped se ee ee ee ee E Figure 9 Turn on transient at zero load current 2 ms div Top Trace Vout 1V div Bottom Trace ON OFF input 2V div AVGSMS s 200us div Stopped q 200us div CH3E100mV CHAE10mY i AC 1 1 DC 1 1 pe bebe fnefneeneeenf eee
16. r 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 a Y t e 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 cycling the input power 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 stil
17. um operating temperature If the temperature exceeds the maximum module temperature reliability of the unit may be affected DS H48SR1R860 06272006 NM MU t MECHANICAL DRAWING 58 4 2 30 5 1 0 20 48 30 1 900 12 7 0 50 O O N O Ww O O 17 78 0 700 25 40 1 000 61 0 2 407 35 56 1 400 1 00 0 039 DIA 2 00 0 079 DIA SOLDER PLATED COPPER SOLDER PLATED COPPER WITH 1 5 0 06 SHOULDER WITH 3 0 0 12 SHOULDER SIDE VIEW NOTES DIMENSIONS ARE IN MILLIMETERS AND INCHES TOLERANCES X Xmm 0 5mm X XX in 0 02 in X XXmm 0 25mm X XXX in 0 010 in Pin No Name Function 1 Vin Negative input voltage 2 ON OFF Remote ON OFF 3 Vin Positive input voltage 4 Vout Positive output voltage 5 SENSE Positive remote sense 6 TRIM Output voltage trim T SENSE Negative remote sense 8 Vout Negative output voltage Notes 1 Pins 1 3 5 7 are 1 00mm 0 039 diameter 2 Pins 4 and 8 are 2 00mm 0 079 diameter 3 All pins are copper with Tin plating DS H48SR1R860 06272006 a 7 PART NUMBERING SYSTEM R Number of Product i Option Code Outputs Series H Half Brick 48 S Single R Single 36V 75V Board MODEL LIST Part Number INPUT OUTPUT EFF 100 LOAD H48SR1R880NRFA 36V 75V 0 8V 1 9V H48SR3R360NRFA 36V 75V 1 45V 3 6V Please contact us for modules with fixed output voltages CONTACT www delta com tw dcdc
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