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TPS61281YFFT Datasheet(PDF) 6 Page - Texas Instruments |
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TPS61281YFFT Datasheet(HTML) 6 Page - Texas Instruments |
6 / 58 page TPS61280 , TPS61281, TPS61282 SLVSBI1 – OCTOBER 2013 www.ti.com ELECTRICAL CHARACTERISTICS (continued) Minimum and maximum values are at VIN = 2.3V to 4.85V, VOUT = 3.4V (or VIN, whichever is higher), EN = 1.8V, VSEL = 1.8V, nBYP = 1.8V, –40°C ≤ TJ ≤ 125°C; Circuit of Parameter Measurement Information section (unless otherwise noted). Typical values are at VIN = 3.2V, VOUT = 3.4V, EN = 1.8V, TJ = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT TIMING VIN = 3.2V, VOUT_TH = 01011 (3.4V), RLOAD = 50 Ω Start-up time TPS6128x 500 µs Time from active VIN to VOUT settled GPIO rise time(2) TPS61280 200 ns (2) Verified by characterization. Not tested in production. I 2C INTERFACE TIMING CHARACTERISTICS(1) PARAMETER TEST CONDITIONS MIN MAX UNIT Standard mode 100 kHz Fast mode 400 kHz Fast mode plus 1 MHz f(SCL) SCL Clock Frequency High-speed mode (write operation), CB – 100 pF max 3.4 MHz 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 Fast mode 1.3 μs START Condition Fast mode plus 0.5 μs Standard mode 4 μs Fast mode 600 ns Hold Time (Repeated) START tHD, tSTA Condition Fast mode plus 260 ns High-speed mode 160 ns Standard mode 4.7 μs Fast mode 1.3 μs tLOW LOW Period of the SCL Clock Fast mode plus 0.5 μs 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 Fast mode plus 260 ns High-speed mode, CB – 100 pF max 60 ns High-speed mode, CB – 400 pF max 120 ns Standard mode 4.7 μs Fast mode 600 ns Setup Time for a Repeated START tSU, tSTA Condition Fast mode plus 260 ns High-speed mode 160 ns Standard mode 250 ns Fast mode 100 ns tSU, tDAT Data Setup Time Fast mode plus 50 ns High-speed mode 10 ns (1) Specified by design. Not tested in production. 6 Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated Product Folder Links: TPS61280 TPS61281 TPS61282 |
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