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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TPS56720PWP 데이터시트(PDF) 9 Page - Texas Instruments |
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TPS56720PWP 데이터시트(HTML) 9 Page - Texas Instruments |
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9 / 44 page  VIL VIH 9 TPS56C20, TPS56920, TPS56720, TPS56520 www.ti.com SLVSCB6D – NOVEMBER 2013 – REVISED FEBRUARY 2016 Product Folder Links: TPS56C20 TPS56920 TPS56720 TPS56520 Submit Documentation Feedback Copyright © 2013–2016, Texas Instruments Incorporated (1) Ensured by design. Not production tested. (2) Refer to Figure 1 below for I2C Timing Definitions (3) Cb = capacitance of bus line in pF 7.6 Timing Requirements MIN TYP MAX UNIT SOFT START Issc SS charge current VSS=0.5V , 25 °C –6.4 –6 –5.6 µA IssD SS discharge current VSS=0.5V 0.14 0.2 0.26 mA SERIAL INTERFACE(1) (2) (3) VIL LOW level input voltage 0.6 V VIH HIGH level input voltage 1.8 V Vhys Hysteresis of Schmitt trigger inputs 0.11 V VOL LOW level output voltage (Open drain, 3mA sink current) 0.4 V tSP Pulse width of spikes suppressed by input filter 32 ns fscl SCL clock frequency 400 kHz tHD;STA Hold time (repeated) START condition. 0.6 us tLOW LOW period of SCL clock 1.3 us tHIGH HIGH period of SCL clock 0.6 us tSU;STA Set-up time for a repeated START condition 0.6 us tHD;DAT Data Hold time 50 900 ns tSU;DAT Data set-up time 100 ns tr Rise time (SDA or SCL) 20+0.1Cb(4) 300 ns tf Fall time (SDA or SCL) 20+0.1Cb(4) 300 ns tSU;STO Set-up time for STOP condition 0.6 us tBUF Bus free time between STOP and START condition 1.3 us Cb Capacitive load for each bus line 400 pF (1) Ensured by design. Not production tested. Figure 1. I2C Timing Definitions (reproduced from Phillips I2C spec Version 1.1) 7.7 Switching Characteristics over operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ON-TIME TIMER CONTROL TON SW On Time SW=12V, VOUT=1.1V 180 ns TOFF (1) SW Minimum off time 25°C, VFB= 0.5V 285 ns |
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