FEATURES High efficiency 98% @ 48Vin, 300W Size: 70.6x36.8x12.7mm (2.78”x1.45”x0.5”) Standard footprint Industry standard pin out Input OVP, UVLO, Output OCP, OVP, OTP 8W (3.3Vdc or 5.0Vdc) of isolated management power for module self or other housekeeping functions 5V/100mA BLUE_LED power Input OR'ing for the A/B dual input power feeds as well as A/B Enable signals Inrush protection and hot swap capability Integral EMI filter designed for the ATCA board to meet CISPR Class B Independent 72Vdc output for charging the external holdup capacitors resulting in significant board real estate savings and bleed resistor power dissipation ISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility UL/cUL 60950-1 (US & Canada), and TUV (EN60950-1) - pending Delphi Series DIM, 300W Dual Input Power Processing DC/DC Power Modules The Delphi DIM series, 300W dual redundant input power processing isolated DC/DC converter is the latest offering from a world leader in power system and technology and manufacturing ― Delta Electronics, Inc. This product family provides up to 300 watts of power in an industry standard footprint and pinout. The DIM series is designed to simplify the task and reduce the board space of implementing dual redundant, hot swappable 48Vdc power distribution with EMI filtering and inrush current limiting for an ATCA (Advanced Telecommunications Computing Architecture) or other telecom boards. In addition to processing the dual redundant 48V bus, the DIM module also provides isolated auxiliary 3.3V or 5V (8W), and/or 5V (100mA) BLUE_LED power for other housekeeping functions. 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 DIM series converters meet all safety requirements with basic insulation. PRELIMINARY DATASHEET DS_DIM3R3_08292008 OPTIONS 3.3V or 5V management Power APPLICATIONS Telecom / Datacom Wireless Networks Optical Network Equipment Server and Data Storage Industrial / Testing Equipment TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=-48Vdc, nominal Vout unless otherwise noted;) PARAMETER ABSOLUTE MAXIMUM RATINGS Input Voltage Continuous Transient Operating Case Temperature Storage Temperature ISOLATION Input to MGMT_PWR Output Voltage Input to SHELF_GND Voltage Input to LOGIC_GND Voltage LOGIC_GND to SHELF_GND Insulation Resistance GENERAL SPECIFICATIONS Calculated MTBF Over-Temperature Shutdown Weight MAIN INPUT (DUAL FEED) CHARACTERISTICS Operation Input Voltage Range Input UVLO Turn-On Voltage Threshold Turn-Off Voltage Threshold Input OVP Turn-On Voltage Threshold Turn-Off Voltage Threshold Off Converter Input Current Maximum Input Current POWER & MAIN OUTPUT (-48V output) Input Power, Maximum Allowable Efficiency Efficiency Total Power Dissipation Management Power, Maximum Deliverable Module Standby Current Vin=-36V, Vin=-48V, Vin=-75V Main Output External Output Filter Capacitance HOT SWAP Inrush Transient 0~0.9mS 0.9~3mS 3~100mS INPUT A/B FEED LOSS / FUSE ALARM Alarm ON Input Voltage Threshold Alarm Off Input Voltage Threshold Opto Transistor Collector to Emitter Voltage Opto Transistor Collector to Emitter Dark Current Opto Transistor Collector Saturation Voltage HOLD UP CAPACITANCE INTERFACE Hold-up Capacitor Voltage Accuracy Hold-up Capacitor Charge Current Minimum Hold-up Capacitance (C_HOLD) 72V_CAP ON Input Voltage Threshold 72V_CAP OFF Input Voltage Threshold PRELIMINARY DATASHEET DS_DIM3R3_08292008 NOTES and CONDITIONS 10μs Please refer to Fig.13 for the measuring point, Tc 100Vdc DIM3R3300 (Standard) Min. Typ. Max. Units 0 -48 -75 -100 117 125 Vdc Vdc °C °C 1500 1500 1500 Vdc Vdc Vdc MΩ -40 -55 10 Pin=240W, Vin=-48V Refer to Figure 13 for the measuring point, Tc TBD 130 27 -36 VRTN_OUT VRTN_OUT open load open load Mhours °C grams -75 V Vdc Vdc Vdc Vdc Vdc mA A -34.5 -32.5 -35.3 -33.3 -36 -34 VRTN_OUT open load VRTN_OUT open load Vin < UVLO voltage Pin=300W, Vin=0 to -75V -78 -80 -79.8 -81.8 10 -81.5 -83.5 Pin=300W, MGMT_PWR/BLUE_LED_PWR no load Pin=300W, MGMT_PWR=8W, BLUE_LED_PWR =0.5W Pin=300W, MGMT_PWR=8W, BLUE_LED_PWR=0.5W 97 96 9.5 300 8 W % % W W 330 mA mA mA μF 42.5 17 8.5 A A A 98 97 10 Pout=0W, MGMT_PWR=0W, BLUE_LED_PWR=0W 80 45 40 200 Pin=300W, Vin=-75V, MGMT_PWR=0, BLUE_LED_PWR=0W -36 -37.3 -36.8 -37.5 -37.9 -37.7 40 100 0.3 % % Vdc nA V -70 72 24 -74 -37 -37.6 -38 -38.6 V mA μF V V Opto Diode current, Id = 0A 47 -36 -36.6 2 TECHNICAL SPECIFICATIONS (TA=25°C, airflow rate=300 LFM, Vin=48Vdc, nominal Vout unless otherwise noted;) PARAMETER MANAGEMENT POWER Operating Input Voltage Output Voltage Set-point Output Voltage (total) Output Regulation Line Regulation Load Regulation Temperature Regulation Output Voltage Overshoot Back-Drive Current Switching Frequency MANAGEMENT POWER (3.3V) Output Ripple and Noise RMS Peak-to-peak Output Current Over Current Protection Output Short-circuit Current (RMS) Hiccup Mode Restart Time Output Over Voltage Protection Dynamic Response (20 MHz bandwidth) Peak Deviation Settling Time Turn-On Delay Times Turn-On Rising Times External Load Capacitance MANAGEMENT POWER (5V option) Output Ripple and Noise RMS Peak-to-peak Output Current Over Current Protection Hiccup Mode Restart Time Output Over Voltage Protection Dynamic Response (20 MHz bandwidth) Peak Deviation Settling Time Turn-On Delay Times Turn-On Rising Times External Load Capacitance BLUE LED POWER 5V Operating Input Voltage Total Output Voltage Range Output Regulation Output Ripple and Noise Operating Output Current Range PRELIMINARY DATASHEET DS_DIM3R3_08292008 NOTES and CONDITIONS Continuous I(MGMT_PWR)=1.25A Over Vin, load, temperature DIM3R3300 (Standard) Min. Typ. Max. Units -36 -1.5 -3 -48 -75 +1.5 +3 %Vo %Vo Vi= Vi,min to Vi,max Io=Io,min to Io,max Ta=Ta,min to Ta,max 0.05 0.05 NA 0 450 10μF Tan cap and 1μF ceramic cap 5Hz to 20 MHz bandwidth 5Hz to 20MHz bandwidth Hiccup mode 0 3 TBD 10 5 Voltage limitation mode load step is 50%~100%~50%, slew rate is 0.1A/μS 3 800 25 5 I(MGMT_PWR)=2.5A I(MGMT_PWR)=2.5A Io=Io,min to Io,max 20 50 2.4 4 mV mV A A A mS V 5.4 5 TBD 0 1.9 1.6 2.5 10 TBD Voltage limitation mode load step is 50%~100%~50%, slew rate is 0.1A/μS 3 TBD TBD TBD I(MGMT_PWR)=1.6A I(MGMT_PWR)=1.6A Io=Io,min to Io,max Continuous %Vo %Vo %Vo %Vo mA KHz 1000 5Hz to 20 MHz bandwidth 5Hz to 20MHz bandwidth Hiccup mode 0.2 0.2 1 3 5 TBD -36 4.9 -3 -48 5 -75 5.1 3 5 0 0.1 %Vo μS mS mS μF mVc mV A A mS V %Vo μS mS mS μF Vdc Vdc %Vo mV A 3 DIM3R3 INTERNAL BLOCK DIAGRAM PIN FUNCTIONS PIN NO. PIN NAME DESCRIPTION 1 -48_AF -48V_A Feed (Externally Fused) 2 -48_BF -48V_B Feed (Externally Fused) 3 VRTN_AF VRTN_AF Feed (Externally Fused) 4 VRTN_BF VRTN_BF Feed (Externally Fused) 5 ENABLE_AF ENABLE_AF Feed (Externally Fused) (Short Pin, connected to VRTN_AF on the back plane) 6 ENABLE_BF ENABLE_BF Feed (Externally Fused) (Short Pin, connected to VRTN_BF on the back plane) 7 SHELF_GND Shelf / Chassis / Safety Ground 8 72V_CAP Holdup/Bulk capacitor output voltage (Negative Connection to -48V_OUT) 9 -48V_OUT OR’d and Inrush Protected –48V Output Bus 10 MGMT_PWR 11 5V BLUE_LED_PWR This pin is optional for 5V Isolated Blue LED Power output (reference to LOGIC_GND) 12 LOGIC_GND Logic / Secondary / Isolated Ground 13 -48V_ALARM Opto-isolated -48V A/B Feed Loss or Open Fuse Alarm (reference to LOGIC_GND) 14 VRTN_OUT OR’d and Inrush Protected VRTN Output Bus PRELIMINARY DATASHEET DS_DIM3R3_08292008 3.3V Isolated Management Power Output (reference to LOGIC_GND) This pin is optional for 5V Isolated Management Power Output (reference to LOGIC_GND) 4 ELECTRICAL CHARACTERISTICS CURVES CH 1 CH 1 CH 3 CH 2 CH 2 CH 3 Figure 1: Input voltage turn-on threshold (2mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (-48V_AF, 2A/div). CH3: VRTN_OUT reference to –48V_OUT (10V/div). Figure 2: Input voltage turn-off threshold (2mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (-48V_AF, 2A/div). CH3: VRTN_OUT reference to. –48V_OUT (10V/div). Test conditions: (1) Feed A=37Vdc (Von slew rate= 0.1V/ms); Feed B=0Vdc (2) I(VRTN_OUT)=1A, I(3.3V)=0A,I(5V BLUE_LED_PWR)=0A. (3) C2=220uF, C_hold=220uF Test conditions: (1) Feed A=37Vdc (Voff slew rate= 0.3V/ms); Feed B=0Vdc (2) I(VRTN_OUT)=1A,I(3.3V)=0A,I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF CH 1 CH 4 CH 3 CH 1 CH 2 CH 2 CH 3 Figure 3: Inrush current (2mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (-48V_AF, 2A/div). CH3: VRTN_OUT reference to –48V_OUT (10V/div). Test conditions: (1) Feed A=48Vdc, Feed B=0Vdc. (2) I(VRTN_OUT)=1A, I(3.3V)=0A, I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF PRELIMINARY DATASHEET DS_DIM3R3_08292008 Figure 4: Oring for one feed loss (500µS/div): CH1: IinA (2A/div) CH2: IinB (2A/div). CH3: VRTN_OUT reference to –48V_OUT (10V/div). CH4: VMGMT_PWR (1V/div). Test conditions: (1) Feed A=60V, Feed B=48V; (2) Q48SH12025: I(12 Vout)=22.5A, I(3.3V)=2.5A, I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF 5 ELECTRICAL CHARACTERISTICS CURVES CH1 CH4 CH2 CH2 CH3 CH3 CH1 Figure 5: Hold up performance (5mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (2A/div). CH3: 12V Vout (5V/div). CH4: VRTN_OUT reference to –48V_OUT (10V/div). Figure 6: -48V_ALARM with loss of Feed (20mS/div): CH1: VinA (VRTN_AF reference to -48V_AF, 20V/div). CH2: VinB (VRTN_BF reference to -48V_BF, 20V/div). CH3: -48V_ALARM (2V/div) Test conditions: (1) Feed A turn off from 48Vdc; Feed B=48Vdc. (2) Q48SH12025: I(12V Out)=22.5A, I(3.3V)=2.5A, I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF Test conditions: (1) Feed A=48Vdc; Feed B=0Vdc (2) Q48SH12025: I(12V Out)=22.5A, I(3.3V)=2.5A, I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=470uF X4 CH3 100 99 1 97 EFFICIENCY (%) 98 96 CH2 95 38Vin 48Vin 94 93 75Vin 92 CH1 91 90 10 20 30 40 50 60 70 80 90 100 OUTPUT CURRENT(A%) Figure 7: Efficiency vs. load current for minimum, nominal, and maximum input voltage at 25°C: Test conditions:. (1) I(MGMT_PWR)=0A; I(5V BLUE_LED PWR)=0A; (2) C2=220uF, C_hold=220uF PRELIMINARY DATASHEET DS_DIM3R3_08292008 Figure 8: MGMT_PWR (3.3V) and BLUE_LED_PWR (5V) start up waveform (10mS/div): CH1: VinA (VRTN_AF referenced to -48V_AF, 50V/div). CH2: V(MGMT_PWR) (1V/div); CH3: V(5V BLUE_LED_PWR) (1V/div) Test conditions: (1) Feed A=48Vdc; Feed B=0Vdc (2) I(VRTN_OUT)=1A,I(3.3V)=2.5A, I(5V BLUE_LED PWR)=0.1A (3) C2=220uF, C_hold=220uF 6 ELECTRICAL CHARACTERISTICS CURVES CH 1 CH 1 CH 2 CH 2 Figure 9: MGMT_PWR (3.3V) and BLUE_LED_PWR (5V) output ripple/noise (2uS/div): CH1: Vo, MGMT_PWR (20mV/div). CH2: Vo, 5V BLUE_LED_PWR (20mV/div). Figure 10: MGMT_PWR (3.3V) dynamic response (1mS/div): CH1: Vo, MGMT_PWR (50mV/div). CH2: Io, MGMT_PWR (1A/div) Test conditions: (1) Feed A=48Vdc; Feed B=0Vdc (2) I(3.3V)=1.25A,I(5V BLUE_LED_PWR)=0.1A I(VRTN_OUT)=6.3A (3) C2=220uF, C_hold=220uF Test conditions: (1) Feed A=48Vdc; Feed B=0Vdc (2) 3.3V MGMT_PWR load current (50%-75%-50% of Io,max, di/dt = 0.1A/µs), I(VRTN_OUT)=6.3A. (3) C2=220uF, C_hold=220uF PRELIMINARY DATASHEET DS_DIM3R3_08292008 7 APPLICATION CIRCUITS TYPICAL VALUES FOR ABOVE COMPONENTS: POSITION VALUE F1,F2 1A, FUSE F3,F4 15A, FUSE F5,F6 15A, FUSE R1,R2 15Ω, RESISTOR R3 7.5KΩ, RESISTOR C1 10μF, CAP C2 200~330μF, CAP C3 C_HOLD NOTE Defined by DC/DC converter application note 2 * Power * T _ HLDP 72V 2 − Vth 2 PRELIMINARY DATASHEET DS_DIM3R3_08292008 for the definition of parameters, please see page 10 8 FEATURES AND DESIGN CONSIDERATIONS Introduction The DIM3R3/050 module is designed to simplify the task and reduce the board space of an ATCA (Advanced Telecommunications Computing Architecture) power entry distribution requirements in the system board. EMI Filtering An internal EMI filter is designed for the ATCA board to meet the system conducted emission requirements of CISPR 22 Class B when used with Delta DC/DC converters. Figure 17 shows the EMI performance of DIM3R3 when it worked with Delta power module Q48SH12025NRFA (36~75Vin, 12V/25A output Quarter brick). It meets CISPR 22 Class B requirement. The main functionality of the module is to provide dual, redundant -48V A/B Feed OR’ing, inrush protection for hot swap capability, EMI filtering to attenuate the noise generated by the downstream DC/DC converters, and a 72V output voltage for charging the holdup capacitor. The module also has a management power supply which provides an 8W, 3.3V or 5V management power and/or a 5V/100mA output (optional) to power the blue LED per PICMG 3.0 requirement. The module provides A/B feed/fuse open alarm, over current protection, over voltage protection, and over temperature protection. It also provides input under voltage lock-out and input reverse polarity protection. A/B Feed OR’ing To improve the total power distribution efficiency, four internal MOSFETs are used to function as the OR’ing diodes. A control circuit is designed to keep about 100mV voltage drop across MOSFET. During full load operation, the MOSFETs are fully turned on. During light load, the MOSFETs work under a high Rdson condition. If the output current decreases to zero, the MOSFETs will be turned off. This design provides module a reverse voltage sustain function. The module shall not be damaged from reverse polarity connection in the event of mis-wiring of either input feeds at the shelf input terminals. Furthermore, a fast shut down circuit is designed for the negative current case. This design protects the common DC bus against hard short faults at the sourcing power supply output. Hot Swap Functionality The hot-swap function is designed to limit the inrush current charged to the bulk capacitor of the down stream bus converter. The current value and duration comply with the PICMG 3.0’s Inrush Transient specs. Although the inrush current for bulk capacitor is under control, special attentions need to be paid to the current for EMI filter because this circuit is in front of hot-swap circuit. PRELIMINARY DATASHEET DS_DIM3R3_08292008 Figure 11: EMI test result with Q48SH12025NRFA: Holdup Capacitor (72V_CAP) Charging Current An off line holdup capacitor (C_HLDP) is needed to store energy for the holdup time requirement. C_HLDP is charged to 72V (+/- 3% tolerance). For a fixed energy storage requirement, high capacitor voltage reduces capacitor capacitance and size. A constant current circuit charges C_HLDP before its voltage reaches the high limitation and isolates it from power train circuit. The discharge switch will turn on if both A&B feeds have dropped below –38V (typical). C_HLDP will be connected to power train and provided the energy for system operation. C_HLDP is calculated by the following equation: C _ HLDP = 2 * Power * T _ HLDP 72V 2 − Vth 2 Where Power is the input power to the downstream DC/DC converter; T_HLDP is the holdup time requirement; Vth is the minimum input voltage threshold of the downstream DC/DC converter. 9 FEATURES AND DESIGN CONSIDERATIONS (CONTINUED) The PICMG 3.0’s requirements for the 0 Vdc transient is 5mS with 50V/ms fall slew rate and 12.5 V/ms rise slew rate. This requirement will lead to a 9.3ms T_HLDP requirement assuming power is interrupted at -43Vdc (Vth). Considering power output is 300W, Vth is 43V, C _ HLDP = 2 * 300 * 9.3 = 1672(uF ) 72 2 − 432 When the input voltage is at the threshold of discharge, C_HLDP will go off line and the charge pump will recharge it to 72V. The discharge resistor for C_HLDP is not required, because there is sufficient standby current in the module to bleed the holdup capacitors from 75V to 60V within 1 second as specified in the PICMG 3.0. Furthermore a bleed resistor will induce extra loss of the MOSFET of the charging circuit. Over-Current Protection DIM3R3/050 provides two over current protection levels. When the output current exceeds the low current limit level, the current will be kept for a period of time before the module is shut down. After a fixed delay time, the module will try to restart. If the output current exceeds the high current limit level, the module will shut down immediately. Then it will go through the same restarting procedure. Transient Over Voltage Protection The PICMG 3.0 requires the module work normally under 200V/5μS and 100V/10μS input voltage transient. DIM3R3/050 can meet the requirement. An internal TVS with 80V/1500W peak pulse power rating will suppress the 200V transient voltage. For the 100V pulse voltage, the power train impedance will damp it below internal components rating without shut down the module. When input voltage of the module is higher than 81.8V, the module will be turned off. The module will restart when the input voltage drop down to 79.8V. Management Power and Blue_LED Power The module contains two isolated DC output. The first output provides up to 8W of 3.3V (DIM3R3) or 5.0V (DIM050) management power (reference to LOGIC_GND). This power is used to power the IPM controller for the ATCA board or to power up system controller for other applications. The second isolated output, 5V/100mA, is used to power the Blue LED per PICMG 3.0 requirement. The management power is available as soon as the input voltage levels are within –36Vdc to –75Vdc. The output is short circuit and over voltage protected. The module is in a hiccup mode under an OCP or short output condition. The output voltage will keep constant under over voltage status. No additional output capacitors are required, but a 22µF tantalum/ceramic and a 0.01µF to 0.1µF ceramic capacitors are highly recommended to reduce the switching ripple and noise. Higher output capacitance may be required in case of large input line or output load transient conditions. A/B Feed / Fuse Alarm (-48V_ALARM) The input feeds A and B are monitored. The module will send an opto-isolated signal if any of the feed is below the voltage threshold (typical 35V). Therefore, the loss of any A or B feed can be detected. The opto coupler transistor on state indicates a normal status and off state indicates a fault condition. Input Under Voltage Lockout The input under-voltage lockout prevents the module from being damaged by low input voltage. When the input voltage is lower than its threshold voltage, the module will be turned off. The lockout occurs between -33.3V to -35.3V. PRELIMINARY DATASHEET DS_DIM3R3_08292008 10 THERMAL CONSIDERATIONS THERMAL CURVES 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 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’’). Figure 13: Temperature measurement location * The allowed maximum hot spot temperature is defined at 117°C Output Current(A) 7 DIM3R3300(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V; 3.3V&5V=8W (Transverse Orientation) 6 5 Natural Convection 4 100LFM 200LFM 3 300LFM 2 PWB FACING PWB 400LFM 1 500LFM MODULE 600LFM 0 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature (℃) Figure 14: Output current vs. ambient temperature and air velocity @Vin=48V (Transverse Orientation, Pout2 = 8 W (Vout2=3.3V), Pout3 = 0.5 W (Vout3=5V) AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 50.8 (2.0”) Output Current(A) 7 DIM3R3300(Standard) Output Current vs. Ambient Temperature and Air Velocity @Vin = 48V; 3.3V&5V=0W (Transverse Orientation) AIR FLOW 6 12.7 (0.5”) Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches) Figure 12: Wind tunnel test setup 100LFM 4 3 Thermal Derating 2 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. 1 PRELIMINARY DATASHEET DS_DIM3R3_08292008 Natural Convection 5 0 25 30 35 40 45 50 55 60 65 70 75 80 85 Ambient Temperature (℃) Figure 15: Output current vs. ambient temperature and air velocity @Vin=48V (Transverse Orientation, Pout2 = 0 W (Vout2=3.3V), Pout3 = 0 W (Vout3=5V) 11 MECHANICAL DRAWING Pin No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Name Function -48V_AF -48V_BF VRTN_AF VRTN_BF ENABLE_AF ENABLE_BF SHELF_GND 72V_CAP -48V_OUT MGMT_PWR 5V BLUE LED_PWR LOGIC_GND -48V_ALARM VRTN_OUT -48V_A Feed (Externally Fused) -48V_B Feed (Externally Fused) VRTN_AF Feed (Externally Fused) VRTN_BF Feed (Externally Fused) ENABLE_AF Feed (Externally Fused) ENABLE_BF Feed (Externally Fused) Shelf / Chassis / Safety Ground Holdup/bulk capacitor output voltage (Negative Connection to -48V_OUT) OR’d and inrush protected –48V output bus 3.3V or 5V Isolated Management Power Output (reference to LOGIC_GND) This pin is optional for 5V Isolated Blue LED Power output (reference to LOGIC_GND) Logic / Secondary / Isolated Ground Opto-isolated -48V A/B Feed Loss or Open Fuse Alarm (reference to LOGIC_GND) OR’d and Inrush Protected VRTN Output Bus Pin Specification: Pins 1-14 1.00mm (0.040”) diameter All pins are copper alloy with Tin plating. PRELIMINARY DATASHEET DS_DIM3R3_08292008 12 PART NUMBERING SYSTEM DIM 3R3 300 S Product Series Management Power Output Power Pin Length 300 - 300W S - 0.150” DIM - ATCA Input 3R3 - with 3.3V Module 050 - with 5V F A Option Code F- RoHS 6/6 (Lead Free) A - with management power (3.3V or 5V) on Pin 10 only, no Pin 11 B - with management power (3.3V or 5V) on Pin 10 and Blue LED power (5V) on pin 11 MODEL LIST MODEL NAME INPUT OUTPUT 1 OUTPUT 2 (Pin10) OUTPUT 3 (Pin11) Eff @ 100% Input Power Management Power Blue LED Power DIM3R3300SFA 36V~75V 300W 36V~75V 3.3V/2.4A NA 98％ DIM3R3300SFB 36V~75V 300W 36V~75V 3.3V/2.4A 5V/0.1A 98％ DIM050300SFA 36V~75V 300W 36V~75V 5V/1.6A NA 98％ CONTACT: www.delta.com.tw/dcdc USA: Telephone: East Coast: (888) 335 8201 West Coast: (888) 335 8208 Fax: (978) 656 3964 Email: [email protected] Europe: Phone: +41 31 998 53 11 Fax: +41 31 998 53 53 Email: [email protected] Asia & the rest of world: Telephone: +886 3 4526107 ext 6220 Fax: +886 3 4513485 Email: [email protected] 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. PRELIMINARY DATASHEET DS_DIM3R3_08292008 13