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LMZ31704 Folha de dados(PDF) 9 Page - Texas Instruments |
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LMZ31704 Folha de dados(HTML) 9 Page - Texas Instruments |
9 / 34 page -120 -90 -60 -30 0 30 60 90 120 ±40 ±30 ±20 ±10 0 10 20 30 40 1000 10k 100k Frequency (kHz) Gain Phase C001 C001 C001 0.0 0.2 0.4 0.6 0.8 1.0 1.2 0 1 2 3 4 Output Current (A) Vo = 3.3V, fsw = 750kHz Vo = 2.5V, fsw = 750kHz Vo = 1.8V, fsw = 500kHz Vo = 1.2V, fsw = 300kHz Vo = 0.9V, fsw = 250kHz Vo = 0.6V, fsw = 200kHz C004 20 30 40 50 60 70 80 90 0 1 2 3 4 Output Current (A) All Output Voltages C001 Airflow = 0 LFM 40 50 60 70 80 90 100 0 1 2 3 4 Output Current (A) Vo = 3.3V, fsw = 750kHz Vo = 2.5V, fsw = 750kHz Vo = 1.8V, fsw = 500kHz Vo = 1.2V, fsw = 300kHz Vo = 0.9V, fsw = 250kHz Vo = 0.6V, fsw = 200kHz C001 5 10 15 20 25 30 0 1 2 3 4 Output Current (A) Vo = 3.3V, fsw = 750kHz Vo = 2.5V, fsw = 750kHz Vo = 1.8V, fsw = 500kHz Vo = 1.2V, fsw = 300kHz Vo = 0.9V, fsw = 250kHz Vo = 0.6V, fsw = 200kHz C004 LMZ31704 www.ti.com SLVSBV8A – JUNE 2013 – REVISED AUGUST 2013 TYPICAL CHARACTERISTICS (PVIN = VIN = 5 V) (1) (2) Figure 7. Efficiency vs. Output Current Figure 8. Voltage Ripple vs. Output Current Figure 9. Power Dissipation vs. Output Current Figure 10. Safe Operating Area Figure 11. VOUT= 1.8 V, IOUT= 4 A, COUT= 200 µF ceramic, fSW= 500 kHz (1) The electrical characteristic data has been developed from actual products tested at 25°C. This data is considered typical for the converter. Applies to Figure 7, Figure 8, and Figure 9. (2) The temperature derating curves represent the conditions at which internal components are at or below the manufacturer's maximum operating temperatures. Derating limits apply to devices soldered directly to a 100 mm × 100 mm, 4-layer PCB with 2 oz. copper. Applies to Figure 10. Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LMZ31704 |
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