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LP3913 датащи(PDF) 20 Page - Texas Instruments |
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LP3913 датащи(HTML) 20 Page - Texas Instruments |
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20 / 70 page ![]() OUTPUT CURRENT (mA) 100.00 90.00 80.00 70.00 60.00 50.00 0.1 1.0 10 100 1000 VIN = 4.2V VIN = 2.7V VIN = 3.6V OUTPUT CURRENT (mA) 95. 0 90. 0 85. 0 80. 0 75. 0 70. 0 65. 0 60. 0 55. 0 50. 0 0.1 1.0 10 100 1000 Vin = 3.6V Vin = 4V Vin = 5V OUTPUT CURRENT (mA) 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 0.1 1.0 10 100 1000 Vin = 3.6V Vin = 4V Vin = 5V OUTPUT CURRENT (mA) 100.0 90.0 80.0 70.0 60.0 50.0 40.0 30.0 20.0 10.0 0.0 0.1 1.0 10 100 1000 Vin = 3. 6V Vin = 4V Vin = 5V OUTPUT CURRENT (mA) 85.0 80.0 75.0 70.0 65.0 60.0 55.0 50.0 45.0 40.0 0.1 1.0 10 100 1000 Vin = 3. 2V Vin = 4V Vin = 5V OUTPUT CURRENT (mA) 95.0 90.0 85.0 80.0 75.0 70.0 65.0 60.0 55.0 50.0 0.1 1.0 10 100 1000 Vin = 3.2V Vin = 4V Vin = 5V LP3913 SNVS489I – NOVEMBER 2006 – REVISED SEPTEMBER 2013 www.ti.com TYPICAL PERFORMANCE CHARACTERISTICS - BUCK (continued) TA = 25°C unless otherwise noted Buck 1 Efficiency vs. Output Current Buck 1 Efficiency vs. Output Current (PFM to PWM mode, Vout =1.2V, L= 2.2µH) (PFM to PWM mode, Vout =2.0V, L= 2.2µH) Figure 29. Figure 30. Buck 2 Efficiency vs. Output Current Buck 2 Efficiency vs. Output Current (Forced PWM Mode, Vout =1.8V, L= 2.2µH) (Forced PWM Mode, Vout =3.3V, L= 2.2µH) Figure 31. Figure 32. Buck 2 Efficiency vs. Output Current Buck 2 Efficiency vs. Output Current (PFM to PWM Mode, Vout =1.8V, L= 2.2µH) (PFM to PWM Mode, Vout =3.3V, L= 2.2µH) Figure 33. Figure 34. 20 Submit Documentation Feedback Copyright © 2006–2013, Texas Instruments Incorporated Product Folder Links: LP3913 |
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