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TPS61185 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS61185 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 26 page 82 84 86 88 90 92 94 96 98 100 0 50 100 150 200 250 300 I -OutputCurrent-mA O V =24V I V =31V O V =10.8V I V =7V I 0 50 100 150 200 250 300 I -OutputCurrent-mA O 82 84 86 88 90 92 94 96 98 100 V =10.8V I V =31V O V =29V O V =33V O V =36V O TPS61185 SLVSAA1A – APRIL 2010 – REVISED MAY 2010 www.ti.com TYPICAL CHARACTERISTICS TABLE OF GRAPHS FIGURES Load efficiency of TPS61185 VIN = 10.8 V; VO = 29 V, 31 V, 33 V and 36 V; L = 10 µH Figure 1 Load efficiency of TPS61185 VIN = 7 V, 10.8 V and 24 V; VO = 31 V; L = 10 µH Figure 2 PWM dimming efficiency VIN = 7 V, 10.8 V and 24 V; VO = 36 V; L = 10 µH; RISET = 62 kΩ Figure 3 PWM dimming efficiency VIN = 7 V, 10.8 V and 24 V; VO = 30 V; L = 10 µH; RISET = 62 kΩ Figure 4 Dimming linearity VIN = 10.8 V; VO = 36 V; FPWMO = 210 Hz; RISET = 62 kΩ; MODE = OPEN Figure 5 Dimming linearity VIN = 10.8 V; VO = 36 V; FPWMO = 1 kHz; RISET = 62 kΩ; MODE = OPEN Figure 6 Dimming linearity VIN = 10.8 V; VO = 36 V; FPWMO = 210 Hz; RISET = 62 kΩ; MODE = GND Figure 7 Dimming linearity VIN = 10.8 V; VO = 36 V; FPWMO = 20 kHz; RISET = 62 kΩ; MODE = GND Figure 8 Boost switching frequency VIN = 10.8 V; VO = 36 V; RISET = 62 kΩ; MODE = OPEN Figure 9 Programmable PWM dimming frequency VIN = 10.8 V; VO = 36 V; RISET = 62 kΩ; MODE = OPEN Figure 10 Switching waveform VIN = 5 V; VO = 36 V; L = 10 µH; RISET = 62 kΩ Figure 11 Switching waveform VIN = 21 V; VO = 36 V; L = 10 µH; RISET = 62kΩ Figure 12 Startup waveform VIN = 10.8 V; VO = 36 V; RISET = 62 kΩ Figure 13 Shutdown waveform VIN = 10.8 V; VO = 36 V; RISET = 62kΩ Figure 13 PWM dimming VIN = 10.8 V; VO = 36 V; ISET = 20 µA; FPWMO = 210 Hz; D = 1% Figure 15 PWM dimming VIN = 10.8 V; VO = 36 V; ISET = 20 µA; FPWMO = 20 kHz; D = 10% Figure 16 Figure 1. Efficiency vs. Output Current Figure 2. Efficiency vs. Output Current 6 Submit Documentation Feedback Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPS61185 |
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