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TPS65154RSLR Datasheet(PDF) 10 Page - Texas Instruments |
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TPS65154RSLR Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 87 page  10 TPS65154 SLVSBG2A – SEPTEMBER 2013 – REVISED JUNE 2016 www.ti.com Submit Documentation Feedback Product Folder Links: TPS65154 Specifications Copyright © 2013–2016, Texas Instruments Incorporated Timing Requirements (continued) VIN = 3.3 V, VLED = 12 V, VCC = 2.5 V, AVDD = 8 V, VGL = –6.8 V, VGH = 20 V, TA = −40°C to 85°C. Typical values are at 25°C (unless otherwise noted). MIN TYP MAX UNIT tSS4 Boost converter 2 soft-start duration range 0 35 ms Tolerance –20% 30% BOOST CONVERTER 3 fSW Switching frequency range 400 1000 kHz Tolerance –20% 20% WLED DIMMING tPWMIN Input pulse width 500 ns fOUT Output frequency range Direct dimming 0.1 15 kHz DPWM dimming 15 22 Tolerance –20% 20% fIN Input frequency range PWM and direct dimming modes 0.1 15 kHz RESET (RST) tRST Reset pulse duration range 0 15 ms Tolerance Measured from end of VCC's ramp to 50% of RST's rising edge with a 10 kΩ pull-up resistor. –20% 20% GATE VOLTAGE SHAPING tPLH Propagation delay VGHM rising, VFLK = 0 V/1.8 V, 50% thresholds, CVGHM = 150 pF, RE = 0 Ω 92 200 ns tPHL VGHM falling, VFLK =0 V/1.8 V, 50% thresholds, CVGHM = 150 pF, RE = 0 Ω 88 200 tDLY4 Gate voltage shaping start-up delay range 0 35 ms Tolerance –20% 30% PANEL RESET (XAO) tDLY6 Panel reset duration range 0 35 ms Tolerance Measured from VIN = VDET to 50% of XAO's rising edge with a 10-kΩ pull-up resistor. –20% 30% TIMING tUVP Undervoltage protection timeout 40 50 60 ms I2C INTERFACE fSCL Clock frequency Standard mode 100 kHz Fast mode 400 tLOW Clock low period Standard mode 4.7 µs Fast mode 1.3 tHIGH Clock high period Standard mode 4.0 µs Fast mode 0.6 tBUF Bus free time between a STOP and a START condition Standard mode 4.7 µs Fast mode 1.3 thd:STA Hold time for a repeated START condition Standard mode 4.0 µs Fast mode 0.6 tsu:STA Set-up time for a repeated START condition Standard mode 4.0 µs Fast mode 0.6 tsu:DAT Data set-up time Standard mode 250 ns Fast mode 100 thd:DAT Data hold time Standard mode 0.05 3.45 µs Fast mode 0.05 0.9 |
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