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| Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Features * * * * * * * * * * * * 60 Watts maximum total output power Three fully isolated outputs 5V/12V/12V 5V output provides up to 12 Amps (2) 12V outputs each provide up to 2.5 Amps Excellent cross regulation Low profile - 12.7 mm High efficiency topology, 88% Typical Output overcurrent & overvoltage protection Overtemperature protection Set point accuracy 2.0% 1500V Input/output isolation meets basic insulation requirements UL 1950 Recognized, CSA 22.2 No. 950-95 certified; TUV IEC950 Applications * * * * * * Distributed power architectures Data and Telecommunications Equipment Computer Equipment Distributed power architectures LAN/WAN applications Data processing applications Description The HBT17ZGHH DC-DC Converter operates over an input voltage range of 33Vdc to 75Vdc and provides three isolated output voltages. The 5V output can provide a full 60W (12 Amperes) of output power and each 12V output can provide up to 30W (2.5 Amperes) of output power. The input is fully isolated from each output and each output is isolated from one another. The isolation of each output provides flexible output configurations and separate output returns, which are important in preventing cross-interference between different loads in system applications. The module has a typical full load efficiency of 88%. The two-board construction optimizes thermal performance. Power devices are connected to an Integrated Metal Substrate base plate to minimize thermal impedance and a separate control board is physically isolated from the hotter IMS board. This approach allows for lower average component temperatures on the control board and increases the overall reliability. The comprehensive standard feature set includes remote on/off, and output trim. Selection Chart Model Input voltage range, VDC 33-75 Input current, max, ADC 3.0 Output voltage, VDC Output rated current, ADC 12/2.5/2.5 Output Ripple and Noise, mV p-p 125/150/150 Efficiency % HBT060ZGHH-A 5.0/12.2/12.2 88 REV. 10/01 www.power-one.com Page 1 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Table 1. Absolute Maximum Ratings Parameter Symbol Input Voltage Continuous Transient Operating Baseplate Temperature Note 1 Storage Temperature Input to Output Isolation Output Short Circuit Duration Total Output Power No Load Power Dissipation Vi Vi Tb Tstg Pomax Min -40 -55 - Max 80 100 +100 +125 1500 Continuous 60 6 Units Vdc Vdc C C Vdc W W Electrical Specifications Unless otherwise indicated, specifications apply over all input voltages, resistive load, and Tbp=+40C. Table 2. Input Specifications Parameter Symbol Min Typ Max Units Voltage Range Vi 33 48 75 Vdc Maximum Input Current Ii 3 A Input Ripple Rejection (120Hz) 60 dB Inrush Transient 1 A2s Input Reflected Ripple (See Fig.1) 100 MA p-p Fusing considerations Caution: This DC-DC converter is not internally fused. An external input fuse must always be used. Table 3. Output Specifications Parameter Symbol Output Power Po1 Po2 Po3 Vo1 Vo2, Vo3 Vo1 Min 4.9 11.834 - Typ 5.0 12.2 0.02 Max 60 30 30 5.1 12.566 0.1 Units W W W Vdc Vdc % Output Voltage Set Point (Vi=48Vdc, Io1=6A, Io2=Io3=1.25A) Output Line Regulation: (Vi=Vi,min to Vi,max) (Io1=6A, Io2=Io3=1.25A) Output Load Regulation: (0.5A to Iomax) Output Load Regulation: (Vi = Vi.min to Vi,max) (All Loading Conditions) Output Temperature Regulation: (Tbase =-40C to +100C) Output Current (Maximum output power limited to 60W) REV. 10/01 Vo1 Vo2, Vo3 10.5 0.2 - 0.4 13.5 % Vdc All Outputs Io1 Io2 Io3 0.5 0 0 0.02 6 1.25 1.25 0.05 12 2.5 2.5 %/C A A A Page 2 of 12 www.power-one.com Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Parameter Output Ripple (See Figure 2) (DC to 20MHz) (Io1 = 6A, Io2,Io3 = 1.25A) Output Current Limit inception (Other outputs at no load) Transient Response (50% to 100% Load Step, Symbol Vo1 Vo2 Vo3 Io1 Io2 Io3 Min - Typ 125 150 150 16 6.5 6.5 Max 200 250 250 18 7 7 Units mVp-p mVp-p mVp-p A A A Io/t=0.1A/uSec) Peak Deviation Settling Time (Vo, 1% of Vo1) Overvoltage Limit Vo1 Vo1 5.9 75 50 200 150 6.5 mV Sec Vdc Table 4. Feature Specifications Parameter Symbol Remote On/Off, Primary side Vlow Vhigh Sink Current-Logic Low Turn-on time (Within 1% Vonom) Switching Frequency Output Voltage Adjust (Vo1 only) Thermal Shutdown Undervoltage Lockout Turn-on Turn-off Min 8 +105 28 Typ 3.5 440 - Max 1 7 2 5 9 +115 32.9 - Units V V mA mSec KHz %Vo,nom Vo,adj C V V 32 30 Table 5. Environmental Parameter Operating Baseplate Temperature Operating Humidity (non-condensing) Storage Humidity (non-condensing) Min -40 Typ - Max +100 95 95 Units C % % Table 6. Isolation Specifications Parameter Min Input to Each Output Input to Baseplate Output to Output Resistance, Input - Output Capacitance, Input - Output 1500 1500 500 10 - Typ 1000 Max - Units Vdc Vdc Vdc M pF REV. 10/01 www.power-one.com Page 3 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Table 7. EMI & Regulatory Agency Compliance Conducted Emissions (With input filter configuration in Figure 3.) Safety - Basic CISPR 22 class A UL60950 Recognized, CAN/CSA C22.2 No. 60950-00 Recognized Table 8. General Specifications Parameter Efficiency (Vi=48Vdc, Io1=6A, Io2=Io3=1.25A) Calculated MTBF (Po=60W, Tbp=40C) Min 86 - Typ 87.5 900 Max - Units % kHrs Table 9. Physical Parameter Dimensions Weight Markings & labeling Min 2.30(58.4) Typ 2.40(60.9 ) Max Units 0.50(12.70 ) In. (mm) 2.4(68) oz(g) Includes Part Number, Power-One Logo, Date Code and Country of Manufacture REV. 10/01 www.power-one.com Page 4 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Feature Descriptions Output Over-voltage Clamp The output overvoltage clamp consists of a separate control loop, independent of the primary control loop. This control loop has a higher voltage set point than the primary loop. In a fault condition which creates an excessive output voltage, the converter goes into "Hiccup Mode" (turns off and restarts periodically in a preprogrammed fashion), and the output overvoltage clamp ensures that the output voltage does not exceed Vo, clamp, max. This secondary control loop provides a redundant voltage control mechanism that prevents catastrophic voltages from occurring on the output under any singlefault condition. Output Current Protection To provide protection in an output overload or short circuit condition, the converter is equipped with a current limiting circuit, which can protect the converter from damage under a fault condition indefinitely. At the current-limit inception point due to an output overload, the converter goes into "Hiccup Mode" and limits both the peak output current and the duration of the operation. The converter recovers automatically to its normal operation once the output overload or short circuit is removed. Enable Two enable options are available-Positive Logic and Negative Logic. Positive Logic turns the converter on when a logic-high is present at the enable pin, and turns the converter off when a logic-low is present at the enable pin. Negative Logic turns the converter off when a logic-high is present at the enable pin, and turns the converter on when a logic-low is present at the enable pin. Output Voltage Adjustment Output voltage adjustment is accomplished by connecting an external resistor between the Trim Pin and the +Vo1 or -Vo1 Pins. With an external resistor (Radj-down) between the Trim Pin and +Vo1 Pin the output voltage set point (Vo,adj) decreases. The following equation determines the required external resistor value to obtain an adjusted output voltage: Note: Output Vo1 is the only trimable output. Output Vo2 and Vo3 only follow how Vo1 is trimmed. ( Vo, adj - D) A - B ohm Radj, dn Vo, nom - Vo, adj Where Radj-down is the trim-down resistance value and A, B, and D are constants defined in Table 10. With an external resistor (Radj-up) between the Trim Pin and -Vo1 Pin the output voltage set point (Vo,adj) increases. The following equation determines the required external resistor value to obtain an adjusted output voltage: AD - B ohm ( Vo, adj - D) - C Raj, up Where Radj-up is the trim-up resistance value and A, B, C, and D are constants defined in Table 10: A 4990 B 25500 C 2.5 D 2.5 Table 10 Output Adjustment Variables. REV. 10/01 www.power-one.com Page 5 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output substrate temperature temperature (TA). versus local ambient Thermal Considerations The power converter operates in various thermal environments. Sufficient cooling should be provided to help ensure reliable operation of the converter. Major heat-dissipating components are thermally coupled to the metal substrate. Heat is removed from the metal substrate by conduction, convection, and radiation to the surrounding environment. Proper cooling can be verified by measuring the temperature of the substrate. It is recommended the substrate temperature be maintained below 100 C for reliable operation. When necessary, an additional heat sink can be attached to the substrate to achieve desired thermal performance. Heat Transfer Characteristics Increasing airflow over the converter enhances the heat transfer via convection. Figure 4 shows the maximum power that can be dissipated by the converter without exceeding the maximum Use of Figures 4 and 5 to properly determine proper airflow for cooling the converter at a given output power and a maximum ambient temperature is illustrated in the following example. Example What is the minimum airflow required for the device operating with an input voltage range of 33V to 75V, an output power of 60 W, at a maximum ambient temperature of 70 C? Solution: Given: Vi = 33V-75V, Po = 60 W, TA = 70 C. Step 1 (Determining PD): From Figure 5, the maximum power dissipation is 12W (occurs at Vin = 33V) Step 2 (Determine airflow): From Figure 4, to maintain the substrate temperature below 100C, the airflow has to be greater than 160LFM (interpolated between curves for 100LFM and 200LFM). Test Setup TO CURRENT PROBE Ltest 12 uH BATTERY Cs 220 uF ESR < 0.1 OHM @ 20 C, 100 kHz 22uF ESR < 0.7 OHM @ 20 C, 100 kHz Vi(+) Vi(-) Figure 1 Input Reflected Ripple Current Test Set-up: Note: Measure input reflected-ripple current with a simulated inductance (Ltest) of 12 uH. Capacitor Cs offsets possible battery impedance. Measure current as shown above. REV. 10/01 www.power-one.com Page 6 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output DUT +Vo1 0.1uf ceramic -Vo1 SCOPE LOAD1 COPPER STRIPS (2 to 3 inches) +Vo2 0.1uf ceramic -Vo2 SCOPE LOAD2 +Vo3 0.1uf ceramic -Vo3 SCOPE LOAD3 Figure 2: Output Ripple Measurement Test Set-up: Note: Use a 0.1uf ceramic capacitor. Scope measurement should be made using a BNC socket. Position loads between 51 mm and 76 mm (2 in. and 3 in.) from module. FC100V10 + V in + H B T 1 7 Z G H H -A Vo1 LO AD1 -V o 1 V IN C1 C2 C3 C4 Vo2 LO AD2 -V o 2 GND V in Vo3 LO AD3 -V o 3 C5 C6 CASE Figure 3: Input filter configuration required to meet CISPR 22 Class A for Conducted Emissions. Part List for Input Filter Ref. Des C1, 2 C3 C4 C5, 6 F1 Description 0.47uF @100V MLC Capacitor (1812) 100uF @ 100V Alum. Electrolytic Capacitor 22uF@ 100V Alum. Electrolytic Capacitor 0.01uF MLC Capacitor FC100V10 Input Filter Module Manufacture AVX or Equivalent (Equiv.) Nichicon NRSZ Series or Equiv. United Chemicon KMG Series or Equiv. AVX or Equiv. Power-One REV. 10/01 www.power-one.com Page 7 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Thermal Considerations Natural HBT060ZGHH-A - Power Derating 100 LFM 200 LFM 300 LFM 400 LFM 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 10 20 30 40 50 60 70 80 90 100 Power Dissipation (W) Ambient Temperature (C) Figure 4. Maximum Allowable Power Dissipation to maintain substrate at 100 C Vin,min HBT060ZGHH-A Power Dissipation vs Output Power Baseplate @ 100 C 14 Vin,nom Vin,max 12 10 Power Dissipation (W) 8 6 4 2 0 0 5 10 15 20 25 30 Output Power (W) 35 40 45 50 55 60 Figure 5. Power Dissipation vs. Output Power (substrate temperature maintained at 100 C) REV. 10/01 www.power-one.com Page 8 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Thermal Considerations (continued) Vin,min HBT060ZGHH-A - Power Dissipation vs Full Load Distribution Baseplate @ 100C 16 14 Power Dissipation (W) 12 10 8 6 4 2 0 0.5/5 1/4.6 2/4.2 3/3.8 4/3.3 5/2.9 6/2.5 7/2.1 8/1.7 9/1.3 10/0.8 11/0.4 Vin,nom Vin,max 12/0 Output Load - Io1/Io2+Io3 (A) Figure 6. Power Dissipation vs. Full Load Distribution REV. 10/01 www.power-one.com Page 9 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Characteristic CurvesTA = 25 C, nominal input voltage, and rated load unless otherwise specified. HBT060ZGHH-A Efficiency vs Output Power Baseplate @ 100 C Vin in ,m Vin o ,n m Vinmx a 90 85 80 75 70 65 60 55 50 45 40 35 30 0 5 10 15 20 25 30 35 40 45 50 55 60 Output Power ( W) Figure 7. Efficiency vs. Output Power REV. 10/01 www.power-one.com Page 10 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Characteristic CurvesTA = 25 C, nominal input voltage, and rated load unless otherwise specified. Vin,m in HBT060ZGHH-A Efficiency vs Full Load Power Distribution Baseplate @ 100 C 90 88 86 84 Efficiency (%) 82 80 78 76 74 72 70 0.5/5 1/4.6 2/4.2 3/3.8 4/3.3 5/2.9 6/2.5 7/2.1 8/1.7 9/1.3 10/0.8 11/0.4 Vin,nom Vin,m ax 12/0 Output Power (W ) Figure 8 - Efficiency vs. FL Power Distribution V o1 H B T 0 6 0 Z G H H - A T y pic a l C r oss R e gula tion Vo 2 Vo 3 16 14 12 10 8 6 4 2 0 0.5/ 5 6/ 2.5 12/ 0 Figure 9. Typical Cross Regulation REV. 10/01 www.power-one.com Page 11 of 12 Data Sheet HBT Series - Half-Brick DC/DC Converter 48V Input 60 Watt Triple Output Mechanical Drawing Pin 1 2 3 4 5 6 7 8 9 10 11 12 Function On/off -Vin +Vin NC -Vo2 +Vo2 Trim +Vo1 -Vo1 NC +Vo3 -Vo3 PIN VIEW .xx .020 (.5) .xxx .010 (.25) Pin diameter: .0.002 (.05) Tolerances: Ordering Information Options Remote On/Off Pin Length Suffixes to add to part number Positive- Standard, no suffix required Negative- Add "N" suffix 0.18"- Standard, no suffix required 0.11"- Add "8" suffix 0.15"- Add "9" suffix Notes 1. 2. 3. Consult factory for the complete list of available options. Power-One products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc. Specifications are subject to change without notice. REV. 10/01 www.power-one.com Page 12 of 12 |
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