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TPS61165DRVR Datasheet(PDF) 6 Page - Texas Instruments |
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TPS61165DRVR Datasheet(HTML) 6 Page - Texas Instruments |
6 / 33 page 40 50 60 70 80 90 100 0 50 100 150 200 250 300 OutputCurrent-mA 3LEDs(VOUT =12V) VIN=8.5V VIN=5V VIN=3V 40 50 60 70 80 90 100 0 50 100 150 200 250 300 VIN=12V VIN=8.5V VIN=5V 6LEDs(VOUT =24V) OutputCurrent-mA 6 TPS61165 SLVS790D – NOVEMBER 2007 – REVISED APRIL 2016 www.ti.com Product Folder Links: TPS61165 Submit Documentation Feedback Copyright © 2007–2016, Texas Instruments Incorporated (1) Acknowledge condition active 0, this condition is only applied in case the RFA bit is set. Open-drain output, line must be pulled high by the host with resistor load. 7.5 Timing Requirements MIN NOM MAX UNIT EasyScale TIMING tstart Start time of program stream 2 μs tEOS End time of program stream 2 360 μs tH_LB High time low bit Logic 0 2 180 μs tL_LB Low time low bit Logic 0 2 × tH_LB 360 μs tH_HB High time high bit Logic 1 2 × tL_HB 360 μs tL_HB Low time high bit Logic 1 2 180 μs VACKNL Acknowledge output voltage low Open drain, Rpullup =15 k Ω to VIN 0.4 V tvalACKN Acknowledge valid time See (1) 2 μs tACKN Duration of acknowledge condition See (1) 512 μs 7.6 Typical Characteristics Table 1. Table of Graphs FIGURE Efficiency 3 LEDs (VOUT = 12 V); VIN = 3, 5, 8.5 V; L = 10 μH Figure 1 Efficiency 6 LEDs (VOUT = 24 V); VIN = 5, 8.5, 12 V; L = 10 μH Figure 2 Current limit TA = 25°C Figure 3 Current limit Figure 4 Easyscale step Figure 13 PWM dimming linearity VIN = 3.6 V; PWM Freq = 10 kHz and 32 kHz Figure 14 Output ripple at PWM dimming 3 LEDs; VIN = 5 V; ILOAD = 350 mA; PWM = 32 kHz Figure 15 Switching waveform 3 LEDs; VIN = 5 V; ILOAD = 3500 mA; L = 10 μH Figure 5 Start-up 3 LEDs; VIN = 5 V; ILOAD = 350 mA; L = 10 μH Figure 6 Open LED protection 8 LEDs; VIN = 3.6 V; ILOAD = 20 mA Figure 7 Figure 1. Efficiency vs Output Current Figure 2. Efficiency vs Output Current |
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