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LP8733 датащи(PDF) 70 Page - Texas Instruments |
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LP8733 датащи(HTML) 70 Page - Texas Instruments |
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70 / 82 page ![]() Temperature (qC) -40 -20 0 20 40 60 80 100 120 140 0.98 0.985 0.99 0.995 1 1.005 1.01 1.015 1.02 D023 PFM PWM Output Current (A) 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0 1 2 3 D025 ADDING SHEDDING Input Voltage (V) 2.5 3 3.5 4 4.5 5 5.5 0.98 0.984 0.988 0.992 0.996 1 1.004 1.008 1.012 1.016 1.02 D021 Input Voltage (V) 2.5 3 3.5 4 4.5 5 5.5 0.98 0.984 0.988 0.992 0.996 1 1.004 1.008 1.012 1.016 1.02 D022 70 LP8733 SNVSBK2 – SEPTEMBER 2019 www.ti.com Product Folder Links: LP8733 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated VOUT = 1 V Load = 1 A Figure 81. Buck Output Voltage vs Input Voltage in PWM Mode (Single-Phase Output) VOUT = 1 V Load = 1 A Figure 82. Buck Output Voltage vs Input Voltage in PWM Mode (Dual-Phase Output) Load = 1 A (PWM) and 0.1 A (PFM) Figure 83. Buck Output Voltage vs Temperature VIN = 3.7 V Figure 84. Buck Phase Adding and Shedding vs Load Current (Dual-Phase Output) Slew-rate = 10 mV/µs ILOAD = 0 A VOUT = 1 V Figure 85. Buck Start-Up With EN1, Forced PWM Mode (Single-Phase Output) Slew-rate = 10 mV/µs ILOAD = 0 A VOUT = 1 V Figure 86. Buck Start-Up With EN1, Forced PWM Mode (Dual-Phase Output) |
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