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LP3907TL-JSXS/NOPB 数据表(PDF) 14 Page - Texas Instruments |
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LP3907TL-JSXS/NOPB 数据表(HTML) 14 Page - Texas Instruments |
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14 / 58 page ![]() OUTPUT CURRENT (mA) 100 90 80 70 60 50 40 0.1 1 10 100 1000 V = 4.5V IN V = 5.5V IN OUTPUT CURRENT (mA) 100 90 80 70 60 50 40 0.1 1 10 100 1000 V = 4.5V IN V = 5.5V IN OUTPUT CURRENT (mA) 100 90 80 70 60 50 40 30 20 10 0.1 1 10 100 1000 V = 4.5V IN V = 5.5V IN OUTPUT CURRENT (mA) 100 90 80 70 60 50 40 30 20 10 0.1 1 10 100 1000 V = 4.5V IN V = 5.5V IN 14 LP3907 SNVS511S – JUNE 2007 – REVISED APRIL 2016 www.ti.com Product Folder Links: LP3907 Submit Documentation Feedback Copyright © 2007–2016, Texas Instruments Incorporated 7.14 Typical Characteristics — Buck2 VIN= 4.5 V to 5.5 V, TA = 25°C, VOUT = 1.8 V, 3.3 V VOUT = 1.8 V L= 2.2 µH Figure 18. Efficiency vs Output Current (Forced PWM Mode) VOUT = 3.3 V L= 2.2 µH Figure 19. Efficiency vs Output Current (Forced PWM Mode) VOUT = 1.2 V L= 2.2 µH Figure 20. Efficiency vs Output Current (PWM-to-PFM Mode) VOUT = 2 V L= 2.2 µH Figure 21. Efficiency vs Output Current (PWM-to-PFM Mode) |
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