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TPS62355DRCR Datasheet(PDF) 6 Page - Texas Instruments |
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TPS62355DRCR Datasheet(HTML) 6 Page - Texas Instruments |
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6 / 46 page  I 2C INTERFACE TIMING CHARACTERISTICS(1) TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356 SLVS540E – MAY 2006 – REVISED APRIL 2008 .............................................................................................................................................................. www.ti.com ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range, typical values are at TA = 25°C. Unless otherwise noted, specifications apply with VI = 3.6 V, EN = VI, VSEL = VI, SYNC = GND, VSEL0[6] bit = 1. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Leakage current into SW pin VI > VO, 0 V ≤ V(SW) ≤ VI, EN = GND 0.01 1 Ilkg µA Reverse leakage current into SW pin VI = open, V(SW) = 6 V, EN = GND 0.01 1 DAC TPS62350 TPS62351 TPS62352 Resolution TPS62353 6 Bits TPS62354 TPS62355 TPS62356 Differential nonlinearity Specified monotonic by design ±0.8 LSB TIMING Setup Time Between Rising EN and Start of I2C 250 µs Stream Output voltage settling From min to max output voltage, VO TPS62350 3 µs time IO(DC) = 500 mA, PWM operation Time from active EN to VO 180 VO = 1.35 V, RL = 5Ω, PWM operation TPS62350 Time from active EN to VO 170 VO = 1.05 V, IO(DC) = 0 mA, Light PFM operation Time from active EN_DCDC bit to VO Start-up time TPS62351 45 µs VO = 1.5 V, RL = 5Ω, PWM operation Time from active EN to VO 175 VO = 1.2 V, RL = 5Ω, PWM operation TPS62352 Time from active EN to VO 170 VO = 1.05 V, IO(DC) = 0 mA, Light PFM operation PARAMETER TEST CONDITIONS MIN MAX UNIT Standard mode 100 kHz Fast mode 400 kHz High-speed mode (write operation), CB – 100 pF max 3.4 MHz f(SCL) SCL Clock Frequency High-speed mode (read operation), CB – 100 pF max 3.4 MHz High-speed mode (write operation), CB – 400 pF max 1.7 MHz High-speed mode (read operation), CB – 400 pF max 1.7 MHz Standard mode 4.7 µs Bus Free Time Between a STOP and tBUF START Condition Fast mode 1.3 µs Standard mode 4 µs Hold Time (Repeated) START tHD, tSTA Fast mode 600 ns Condition High-speed mode 160 ns Standard mode 4.7 µs Fast mode 1.3 µs tLOW LOW Period of the SCL Clock High-speed mode, CB – 100 pF max 160 ns High-speed mode, CB – 400 pF max 320 ns Standard mode 4 µs Fast mode 600 ns tHIGH HIGH Period of the SCL Clock High-speed mode, CB – 100 pF max 60 ns High-speed mode, CB – 400 pF max 120 ns (1) Specified by design. Not tested in production. 6 Submit Documentation Feedback Copyright © 2006–2008, Texas Instruments Incorporated Product Folder Link(s): TPS62350, TPS62351 TPS62352, TPS62353 TPS62354, TPS62355, TPS62356 |
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