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TPS65270 Datasheet(PDF) 8 Page - Texas Instruments |
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TPS65270 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 27 page 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.05 0.1 0.15 0.2 Vin = 12 V Vout2 = 5 V auto PSM-PWM Forced PWM 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 0 0.05 0.1 0.15 0.2 Forced PWM Vin = 12 V Vout1 = 3.3 V auto PSM-PWM 0 0.5 1 1.5 2 2.5 3 0 10 20 30 40 50 60 70 80 90 100 V = 12 V I V = 15 V I V = 4.5 V I 50 55 60 65 70 75 80 85 90 95 0 0.5 1 1.5 2 2.5 3 3.5 V = 12 V I V = 15 V I V = 4.5 V I 1.75 1.77 1.79 1.81 1.83 1.85 0 0.5 1 1.5 2 2.5 3 ` PWM, Vout1, Vin = 12 V PSM, Vout2, Vin = 12 V 1.15 1.16 1.17 1.18 1.19 1.2 1.21 1.22 1.23 1.24 1.25 0 0.5 1 1.5 2 2.5 3 3.5 4 PWM, Vout2, Vin = 12 V PSM, Vout2, Vin = 12 V TPS65270 SLVSAX7D – AUGUST 2011 – REVISED APRIL 2013 www.ti.com TYPICAL CHARACTERISTICS TA = 25°C, VIN = 12 V, fSW = 625 kHz (unless otherwise noted) Figure 1. Load Regulation Figure 2. Load Regulation Buck 1 at 1.8 V, 1% Resistors Buck 1 at 1.2 V, 1% Resistor s Figure 3. Efficiency Figure 4. Efficiency Buck 1 at 3.3 V Buck 2 at 1 V Figure 5. Efficiency Figure 6. Efficiency Buck 1 at 3.3 V Buck 2 at 5 V 8 Submit Documentation Feedback Copyright © 2011–2013, Texas Instruments Incorporated Product Folder Links: TPS65270 |
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