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NQ04015VMA15OVS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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NQ04015VMA15OVS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
6 / 20 page Product # NQ04T33VMA16 Phone 1-888-567-9596 Doc.# 005-2NV4T3E Rev. B 7/6/04 Page 6 Technical Specification 3.0 - 5.5Vin 16A Non-Isolated Non-Isolated SIP Converter SIP Converter ELECTRICAL CHARACTERISTICS (continued) - NQ04T33VMA16 Series Parameter ModuleP Min. Typ. Max. Units Notes & Conditions EFFICIENCY (cont.) 50% Load (3.3Vin\5Vin) 0.9V 89/87 % Figures 1-4 1.0V 89.5/88 % 1.2V 91/89.5 % 1.5V 92.5/91 % 1.8V 93.5/92 % 2.5V 95.5/94 % 3.3V 95 % TEMP. LIMITS FOR POWER DERATING Semiconductor Junction Temperature 5 All 125 °C Package rated to 150°C; Figs 5-14 Board Temperature 5 All 125 °C UL rated max operating temp 130°C FEATURE CHARACTERISTICS Switching Frequency All 265 300 330 kHz may decrease by up to 30 kHz at -40°C Negative Logic (N, O) ON/OFF Control Figure A, page 16 Off-State Voltage All 1.5 6.5 V On-State Voltage All -3 0.6 V Pull-Up Voltage (N logic only) All 2/3 Vin V Pull-Up Resistance (N logic only) All 6.7 k Ω Input Resistance (O logic only) All 20 k Ω Positive Logic (P) ON/OFF Control Open collector/drain input; Figure A Logic Low Voltage Range All -0.2 1 V Logic High Voltage Range (internal pullup) All 2.2 Vin V Logic Low sink current All 300 Vin/10K 550 µA Logic High sink current (leakage) All 10 µA Output Voltage Trim Range 1,6,8 All 0.85 3.6 V Measured Vout+ to common pins; Table 1 Output Voltage Remote Sense Range 1,7,8 All +10 % Measured Vout+ to common pins Output Over-Voltage Protection 8 All 3.75 4.05 4.35 V Over full temp range Over-Temperature Shutdown All 120 °C Average PCB Temperature Over-Temperature Shutdown Restart Hysteresis All 5 °C RELIABILITY CHARACTERISTICS Calculated MTBF (Telcordia) All 10.1 106 Hrs. TR-NWT-000332; 15A load, 200LFM, 40oC Ta Calculated MTBF (MIL-217) All 6.6 106 Hrs. MIL-HDBK-217F; 15A load, 200LFM, 40oC Ta Field Demonstrated MTBF All 106 Hrs. See website for latest values Note 1: Maintain a minimum of 0.4V headroom between input and output voltage to meet performance specifications. Unit will perform as the model with the output voltage that it is trimmed to. Note 2: Tantalum or similar with additional ceramic as needed to reduce ripple current in external input capacitors. See Figure 26. When using more than 1000µF of output capacitance, input filter inductor should be reduced to <0.3µH or input capacitance should be increased to match output capacitance. Consult factory for more demanding applications. Also refer to Application Considerations section of this datasheet. Note 3: The over-current shutdown threshold for a short over-current pulse can be as high as 50A when trimming up a wide trim unit above 1.2V. Note 4: When trimming a 0.9V unit to less than 0.88V with more than 1000µF of output capacitance, consult factory for trim circuit recommendations. This also applies to trimming a 1.0V unit below 0.95V. Note 5: Power derating curves are measured using an evaluation board consisting of 6 layers of 2 ounce copper. Note 6: Wide trim option unit has a setpoint of 0.753V and a trim range of 0.85V-3.6V. Note 7: In remote sense applications, when trimming down, the trim-down resistor should be connected to the sense pin for more accurate trimming results. Note 8: User should allow sufficient transient response headroom between the module’s local output and the minimum OVP threshold. |
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