MURATA POWER SOLUTIONS QHS12-120-NHCC

Q-Class Converters QHS12-120 Model Features: 9 12 Volt / 12 Amp output 9 Greater than 92% Efficient 9 Industry Standard ¼ Brick package 9 Full 144 Watt capability to more than 70 °C 9 Output voltage trim capability 9 Thermal and overload protection 9 Microprocessor controlled supervisory functions 9 Out-gassing feature ensures reliable pin soldering 9 RoHS Compliant Table 1 Input Characteristics Notes & Conditions (1) Min Typ. Max Units Input Voltage Operating Range 36 48 75 Vdc Input Voltage Transient Protection 100 Vdc Input Undervoltage Lockout Turn-on Threshold 32 35 Vdc Turn-off Threshold 31 34 Vdc Hysteresis Voltage 1 Vdc Input Overvoltage Lockout Turn-on Threshold 76 80 Vdc Turn-off Threshold 75 79 Vdc Hysteresis Voltage 1 Vdc Input Current Steady-State 3.3 A No-Load Input Current Enabled state 150 mA Disabled Input Current Disabled state mA Input Reflected Ripple Current (2) 25 mA p-p 2 Inrush Current Transient 0.1 A s Enable Characteristics Internal pull-up voltage, ref. to Vi(-) 5 Vdc Input Impedance, internal pull-up 100 kOhms Enable – Negative Logic Version On State range -0.1 0.8 Vdc Enable – Positive Logic Version Off State range -0.1 0.8 Vdc Technical enquiries email: sales@murata-ps.com, tel: +508 339 3000 1 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Table 2 Output Characteristics Notes & Conditions (1) Min Typ. Max Units Output Voltage Set Point Trim feature not used 11.88 12 12.12 Vdc Output Line Regulation 0.2 % Output Load Regulation 0.2 % Output Voltage Total Regulation 11.8 12.1 Vdc 1 9 Output Ripple Voltage & Noise (3) 20 MHz Bandwidth 50 100 mV p-p Output Current Operating Range 0 12 A Efficiency 100% Load 93 % Turn-On Time Vin present: Enable to 90% Vout 13 ms Start-up Inhibit Time Enabled: Vin applied to 90% Vout 15 ms Transient Response (4) 25% step, 0.1A/μs, ΔVo 200 mV Recovery Time 300 μs Remote Sense Compensation Range Of Output Voltage Set Point, typ. +10 % (5), (6) Output Voltage Trim Range (6) Of Output Voltage Set Point, typ. -20 +10 % Maximium Output Capacitance 3,900 μF Table 3 Protection Characteristics Notes & Conditions (1) Min Typ. Max Units Output Over-Current Shutdown Non-Latching 14 A Re-start rate 3 s Over Voltage Shutdown Latching 14 15.2 Vdc Over Temperature Shutdown (7) Non-Latching 125 °C Table 4 General Specifications Notes & Conditions (1) Min Typ. Max Units Isolation Voltage Input to Output 1500 Vdc Isolation Resistance Input to Output 10 Mohm Isolation Capacitance 6800 pF Storage Temperature Range Non-condensing -40 125 °C Thermal Measurement Location See mechanical drawing for location (TML) Temperature (9) Operating Temperature Range Measured at TML -40 120 °C Semiconductor Junction Tempature Package Rating 150 °C Material Flammability UL 94V-0 6 MTBF Calculated (Bellcore TR-332) 1.2 10 Hrs 6 Demonstrated tbd 10 Hrs Switching Frequency 350 kHz Dimension (LxWxH) 2.28”L x 1.45” W x 0.47”H (57.91 x 36.83 x 11.8 mm) Weight grams 2 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Table 5 Standards Compliance Notes & Conditions (8) UL/CSA 60950 c-UL-us recognized (basic Insulation), UL File# E165113 TUV (Bauart) certified Notes: (1) Vin = 48Vdc, Ta = 25 °C, Airflow = 200 LFM unless otherwise noted. (2) Input Reflected Ripple Current is specified when measured with the filter shown in Figure 7. (3) Output Ripple Voltage and noise is specified when measured with a 10uF tantalum and a 1uF ceramic capacitor at the converter output pins. (4) Transient response is specified without a capacitor at the output of the converter. (5) If remote sense is not required or used, the Sense(+) and Sense(-) pins must be connected to Vo(+) and Vo(-) respectively. (6) See ‘Remote Sense’ and ‘Trim Feature’ details regarding output voltage range limitations. (7) Thermal shutdown is monitored at the ‘Thermal Measurement Location” (TML). See ‘Mechanical Information’ on page 4 for the thermal measurement location. (8) See ‘Safety Considerations’. (9) De-rating curves are conducted in a controlled environment. End application testing is required to ensure the Thermal Measurement Location temperature is below the maximum specified. 3 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Mechanical Information Figure 1 4 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Pin Assignment Table 6 Pin # Pin Name Function Notes & Conditions 1 Vi(+) Positive Input Voltage 2 En Input Enable / Disable Referenced to Vo(-). No external source required. Positive Logic: Floating = Enabled Negative Logic: Floating = Disabled 3 Vi(-) Negative Input Voltage 4 Vo(-) Negative Output Voltage 5 Sense(-) Negative Remote Sense Must be connected to Vo(-) 6 Trim Output Voltage Trim See ‘Trim Feature’ below 7 Sense(+) Positive Remote Sense Must be connected to Vo(+) 8 Vo(+) Positive Output Voltage Remote Sense The remote sense regulates the output voltage across the sensing connections, and should be connected at the point on the board where regulation is desired. It is used to compensate for contact and distribution losses to the load. Efforts should be made to minimize these losses to help reduce noise and improve efficiency of the system. R R contact distribution Vo(+) Sense(+) R trim_up or Trim R C I trim_down load load Sense(-) Vo(-) R R contact distribution Figure 2 The voltage between remote sense pins and the output terminals must not exceed the output voltage sense range as specified in Table 2. [Vo(+) – Vo(-)] - [Sense(+) – Sense(-)] ≤ Sense Range % x set point 5 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Trim-up Feature Trim-down Feature The Trim-up configuration is used to increase the level of the The Trim-down configuration is used to reduce the level of the nominal output voltage. nominal output voltage. This is achieved by connecting a resistor between Trim and Trim-down is achieved by connecting a resistor between Trim Sense(+) pins: and Sense(-) pins: Vo(+) Vo(+) Sense(+) Sense(+) C R load trim_up Trim Trim C I I R load load load trim_down Sense(-) Sense(-) Vo(-) Vo(-) Figure 3 Figure 4 The value of the trim-up resistor is determined by the following The value of the trim-down resistor is determined by the equation: following equation: QHS12-120 Trim-up and Trim-down Resistance 10000 The voltage between the Vo(+) and Vo(-) terminals must not exceed the minimum output over voltage shut-down value Rup indicated in Table 3. This limit includes any increase in voltage due to Rdow n remote-sense compensation and output voltage set-point 1000 adjustment (trim). The amount of power delivered by the module is defined as the voltage at the output terminals multiplied by the output current. 100 (Output Voltage Set Point, typ x Output Current, Max) When using remote sense and/or trim, the output voltage of the module can be increased, and may result in an increase of output power. Care should be taken to ensure that the maximum output power of the module remains at or below the maximum rated 10 power. 024 6 8 10 Delta (%) Figure 5 6 QHS12-6201001509_D01_21/04/08 Resistance (kOhms) Q-Class Converters Murata Power Solutions QHS12-120 Model Efficiency Curves Efficiency at 25 Degrees C Figure 6 QHS12-120 Efficiency Test Setup Input Reflected Ripple Input Reflected Ripple Test Circuit i i s c Vi(+) Vin 12uH DC-DC Converter 220uF, 33uF, ESR<0.1 ohms ESR<0.7 ohms @ 100kHz @ 100kHz Vi(-) RTN Figure 8 Input Current at full load, 48Vdc input. Figure 7 Test circuit used for input ripple current 5 mA/div, 500 uS /div. measurement 7 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Output Ripple/Noise Figure 9 Output ripple: Vin=48 Vdc, Iout=12 Amps. Vert: 50 mV/div. Horiz: 2 uS/div Load Transient +ve Step Load Transient –ve Step Figure 11 Top Trace: Load Current, 25% step, Figure 10 Top Trace: Load Current, 25% step, 5 A/div. Bottom Trace: Vout, 50 mV/div. 5 A/div. Bottom Trace: Vout, 50 mV/div. Horiz: 200 uS/div. Horiz: 200 uS/div. 8 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model Thermal Derating (Parallel) TTML=110C Thermal Derating (Transverse) TTML=110C 15 15 12 12 9 9 0 LFM 0 LFM 6 6 100 LFM 100 LFM 200 LFM 200 LFM 300 LFM 300 LFM 3 3 400 LFM 400 LFM Poly. (100 LFM) Poly. (100 LFM) 0 0 25 35 45 55 65 75 85 25 35 45 55 65 75 85 Ambient Temperature [ºC] Ambient Temperature [ºC] Figure 12 Figure 13 Thermal Derating (Parallel) TTML=120C Thermal Derating (Transverse) TTML=120C 15 15 12 12 9 9 0 LFM 0 LFM 6 6 100 LFM 100 LFM 200 LFM 200 LFM 300 LFM 300 LFM 3 3 400 LFM 400 LFM Poly. (100 LFM) Poly. (100 LFM) 0 0 25 35 45 55 65 75 85 25 35 45 55 65 75 85 Ambient Temperature [ºC] Ambient Temperature [ºC] Figure 14 Figure 15 9 QHS12-6201001509_D01_21/04/08 Output Current [A] Output Current [A] Output Current [A] Output Current [A] Q-Class Converters Murata Power Solutions QHS12-120 Model Thermal Image, 300 LFM, Output to Input 71.4°C 70 E: 61.6 60 E: 61.6 D: 71.3 C: 71.7 F: 65.6 D: 71.3 50 B: 64.6 A: 61.8 C: 71.7 H: 64.2 G: 62.8 F: 65.6 40 B: 64.6 A: 61.8 H: 64.2 G: 62.8 30 25.4°C Figure 20 Parallel Airflow at 300 LFM, from output to input (right to left). Ambient Temperature 25 °C. Vin = 48 V, and load current of 12 amps. Turn-on (Vout vs Vin) Turn-on (Enable) Figure 17 Vin: 48 Vdc, load = 12 Adc plus 3,900 uf, Figure 16Figure 18 Converter p include de re-enascriptio bled, load n/con = 1 dition of 2 Adc test top trace (2): Vout, bottom trace (1): Enable Signal, plus 3,900 uf, top trace(2): Vout, bottom trace (1): transition from disable to enable. Vin from 0 to 48 Vdc. 10 QHS12-6201001509_D01_21/04/08 Q-Class Converters Murata Power Solutions QHS12-120 Model EMI Signature Figure 19 Quasi-Peak Measurement of positive input at 48Vdc and full load, with EMI filter as shown in Fig. 27. External EMI Test Filter 100 uF 100v 10 nF 1 1 2 2 +48v 1 uF UUT RTN 3 4 4 Pulse 3 10 nF 1 uF P0351 1.470 mH Figure 20 EMI Filter as used for EMI measurement of Fig. 26 11 QHS12-6201001509_D01_21/04/08 Q-Class Converters QHS12-120 Model Safety Considerations This Product is certified to the standards listed in the ‘Standards Compliance’ section in the table above. If this product is built into information technology equipment, the installation must comply with the above standard. An external input fuse of 30 A maximum must be used to meet the above requirements. The output of the converter [Vo(+)/Vo(-)] is considered to remain within SELV limits when the input to the converter meets SELV or TNV- 2 requirements. The converters and materials meet UL 94V-0 flammability ratings. Part Number Designations RoHS Compliant The QHS12-120 series of converters is in compliance with the European Union Directive 2002/95/EC (RoHS) with respect to the following sustances: lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium, polybrominated biphenyls (PBB) or polybrominated diphenyl ethers (PBDE). 12 QHS12-6201001509_D01_21/04/08