QM48T14120-PAA0 POWER ONE, QM48T14120-PAA0 Datasheet
QM48T14120-PAA0
Specifications of QM48T14120-PAA0
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QM48T14120-PAA0 Summary of contents
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Applications Telecommunications Data communications Wireless communications Servers, workstations Benefits High efficiency – no heat sink required Higher current capability at 70 °C competitors’ half-bricks Description The QM48T/S14120 converter of the QM-Series provides ...
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Electrical Specifications (Common for both Non-paralleling and Paralleling Options) Conditions ºC, Airflow = 300 LFM (1.5 m/s VDC, unless otherwise specified. A Parameter Absolute Maximum Ratings Input Voltage Operating Ambient Temperature Storage Temperature ...
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Electrical Specifications for Single Converter with Non-Paralleling Option Conditions ºC, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, unless otherwise specified. A Parameter Maximum Input Current Output Voltage Set Point (no load) Output Regulation Over ...
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Operations Input and Output Impedance These power converters have been designed to be stable with no external capacitors when used in low inductance input and output circuits. In many applications, the inductance associated with the distribution from the power source ...
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When using remote sense, the output voltage at the converter can be increased by as much as 10% above the nominal rating ...
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Protection Features Input Undervoltage Lockout Input undervoltage lockout is standard with this converter. The converter will shut down when the input voltage drops below a pre-determined voltage. The input voltage must be typically 34 V for the converter to turn ...
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Startup Information (using negative ON/OFF) Scenario #1: Initial Startup From Bulk Supply ON/OFF function enabled, converter started via application See Figure E. IN Time Comments t ON/OFF pin is ON; system front end power is 0 toggled ...
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Characterization General Information The converter has been characterized for many operational aspects, to include thermal derating (maximum load current as a function of ambient temperature and airflow) for vertical and horizontal mountings, efficiency, startup parameters, output ripple and noise, transient ...
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QM48T/S14120-wxy0 (Non-parallelable version 500 LFM (2.5 m/s) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 4 100 LFM (0.5 m/s) 30 LFM (0.15 m/ Ambient Temperature [°C] ...
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QM48T/S14120-wxy0 (Non-parallelable version) 18.00 15.00 12.00 9.00 6.00 3.00 0. Load Current [Adc] Fig. 5: Power dissipation vs. load current and input voltage for converter mounted vertically with air flowing from pin 3 to pin 1 ...
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QM48T/S14120-wxy0 (Non-parallelable version) Fig. 9: Output voltage response to load current step- change (3.5 A – – 3 Vin = 48 V. Top trace: output voltage (200 mV/div.). Bottom trace: load current (2 A/div). Bottom trace: ...
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QM48T/S14120-wxy0 (Non-parallelable version Iout [Adc] Fig. 13: Output voltage vs. load current showing current limit point and converter shutdown point. Input voltage has almost no effect on current limit characteristic ZD-00376 ...
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QM48T/S14120-wxyP (Parallelable version 500 LFM (2.5 m/s) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 4 100 LFM (0.5 m/s) 30 LFM (0.15 m/ Ambient Temperature [°C] ...
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QM48T/S14120-wxyP (Parallelable version Load Current [Adc] Fig. 5: Power dissipation vs. load current and input voltage horizontally for converter mounted with air flowing from pin 3 to pin ...
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QM48T/S14120-wxyP (Parallelable version) Fig. 9: Output voltage response to load current step- change (3.5 A – – 3 Vin = 56 V. Top trace: output voltage (200 mV/div.). Bottom trace: load current (2 A/div). Bottom trace: ...
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QM48T/S14120-wxyP (Parallelable version) Fig. 13: Step Load response to 0% – 50% – 0% with 100 µF external ceramic capacitor and di/ A/µs. Top trace: output voltage (500 mV/div.). Bottom trace: load current (10 A/div). Time scale: 0.2 ...
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QM48T/S14120-wxyP (Parallelable version) Fig. 17: Input reflected ripple current, i measured through 10 µH at the source at full rated load current and Vin = 56 V. Refer to Fig. I for test setup. Time scale: 1 µs/div. Fig. 19: ...
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QM48T/S14120-wxyP (Parallelable version) 14.00 12.00 10.00 8.00 6.00 4.00 2.00 0.00 13.50 14.00 14.50 15.00 15.50 Iout[Adc] Fig. 21: Output voltage vs. load current showing current limit point and converter shutdown point. Input voltage has almost no effect on current ...
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Physical Information 1 TOP VIEW 2 3 SIDE VIEW QM48S (Surface-mount) 1 TOP VIEW 2 3 SIDE VIEW QM48T (Through-hole Height (Max. Height) (Min. Clearance) Option +0.000 [+0.00] +0.016 [+0.41] -0.038 [- 0.97] -0.000 [- 0.00] A 0.325 ...
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Converter Part Numbering/Ordering Information Rated Product Input Mounting Load Series Voltage Scheme Current Surface- Quarter- mount Brick 36- Format T Through- hole The example above describes P/N QM48S14120-NS00: 36-75 V input, ...