QHS12-120-NHCRC Murata Power Solutions Inc, QHS12-120-NHCRC Datasheet

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... Notes & Conditions (1) Turn-on Threshold Turn-off Threshold Hysteresis Voltage Turn-on Threshold Turn-off Threshold Hysteresis Voltage Steady-State Enabled state Disabled state Internal pull-up voltage, ref. to Vi(-) Input Impedance, internal pull-up On State range Off State range 1 Q-Class Converters QHS12-120 Model Min Typ. Max Units 100 ...

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... Input to Output Non-condensing See mechanical drawing for location Measured at TML Package Rating UL 94V-0 Calculated (Bellcore TR-332) Demonstrated 2.28”L x 1.45” 0.47”H (57.91 x 36.83 x 11.8 mm) 2 Q-Class Converters QHS12-120 Model Min Typ. Max Units 11.88 12 12.12 0.2 0.2 11.8 12.1 ...

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... 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. Notes & Conditions (8) c-UL-us recognized (basic Insulation), UL File# E165113 (Bauart) certified 3 Q-Class Converters QHS12-120 Model QHS12-6201001509_D01_21/04/08 ...

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... Murata Power Solutions Mechanical Information Figure 1 Q-Class Converters QHS12-120 Model 4 QHS12-6201001509_D01_21/04/08 ...

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... Trim R trim_down Sense(-) Vo(-) R contact Figure 2 ≤ Sense Range % x set point 5 Q-Class Converters QHS12-120 Model Referenced to Vo(-). No external source required. Positive Logic: Floating = Enabled Negative Logic: Floating = Disabled Must be connected to Vo(-) See ‘Trim Feature’ below Must be connected to Vo(+) R distribution C I load ...

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... This is achieved by connecting a resistor between Trim and Sense(+) pins: Vo(+) Sense(+) Trim Sense(-) Vo(-) Figure 3 The value of the trim-up resistor is determined by the following equation: QHS12-120 Trim-up and Trim-down Resistance 10000 1000 100 Delta (%) Figure 5 Trim-down Feature The Trim-down configuration is used to reduce the level of the nominal output voltage ...

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... Murata Power Solutions Efficiency Curves QHS12-120 Efficiency Figure 6 Test Setup Input Reflected Ripple Test Circuit Vin 12uH 220uF, 33uF, ESR<0.1 ohms ESR<0.7 ohms @ 100kHz @ 100kHz RTN Test circuit used for input ripple current Figure 7 measurement Efficiency at 25 Degrees C Input Reflected Ripple ...

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... Figure 11 5 A/div. Bottom Trace: Vout, 50 mV/div. Horiz: 200 uS/div. Output Ripple/Noise Output ripple: Vin=48 Vdc, Iout=12 Amps. Load Transient –ve Step Top Trace: Load Current, 25% step, Figure 10 5 A/div. Bottom Trace: Vout, 50 mV/div. Horiz: 200 uS/div. 8 Q-Class Converters QHS12-120 Model QHS12-6201001509_D01_21/04/08 ...

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... Figure 13 =120C Thermal Derating (Transverse) T TML Figure 15 9 Q-Class Converters QHS12-120 Model TML 0 LFM 100 LFM 200 LFM 300 LFM 400 LFM Poly. (100 LFM Ambient Temperature [ºC] TML 0 LFM 100 LFM 200 LFM 300 LFM 400 LFM Poly. (100 LFM) ...

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... Vin from Vdc. E: 61.6 E: 61.6 D: 71.3 C: 71.7 F: 65.6 H: 64.2 F: 65.6 G: 62.8 H: 64.2 G: 62.8 Turn-on (Enable) Figure 17 Vin: 48 Vdc, top trace ( transition from disable to enable. 10 Q-Class Converters QHS12-120 Model 71.4° 25.4°C load = 12 Adc plus 3,900 uf, 2): Vout, bottom trace (1): Enable QHS12-6201001509_D01_21/04/08 Signal, ...

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... Quasi-Peak Measurement of positive input at 48Vdc and full load, with EMI filter as shown in Fig. 27. Figure 19 External EMI Test Filter 1 +48v 1 uF RTN 3 1.470 mH Figure 20 EMI Filter as used for EMI measurement of Fig Pulse P0351 11 Q-Class Converters QHS12-120 Model 100 uF 100v 2 UUT 4 3 QHS12-6201001509_D01_21/04/08 ...

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... 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). ...