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TLC5952 датащи(PDF) 6 Page - Texas Instruments |
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TLC5952 датащи(HTML) 6 Page - Texas Instruments |
6 / 33 page SWITCHING CHARACTERISTICS TLC5952 SBVS129 – MAY 2009........................................................................................................................................................................................................ www.ti.com At TA = –40°C to +85°C, VCC = 3 V to 5.5 V, CL = 15 pF, RL = 120 Ω, RIREF = 1.5 kΩ, and VLED = 5.0 V, unless otherwise noted. Typical values are at TA = +25°C and VCC = 3.3 V. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tR0 SOUT 6 15 ns Rise time tR1 OUTR0-OUTR7, OUTG0-OUTG7, OUTB0-OUTB7, BCR/G/B = 7Fh 10 30 ns tF0 SOUT 6 15 ns Fall time tF1 OUTR0-OUTR7, OUTG0-OUTG7, OUTB0-OUTB7, BCR/G/B = 7Fh 10 30 ns tD0 SCLK ↑ to SOUT 8 20 ns tD1 LAT ↑ to OUTR0 on/off, BCR/G/B = 7Fh 22 45 ns tD2 BLANK ↓↑ to OUTR0 on/off, BCR/G/B = 7Fh 15 30 ns OUTRn on to OUTGn on, OUTGn on to OUTBn on, Propagation delay tD3 3 6 ns OUTBn on to OUTRn + 1 on, BCR/G/B = 7Fh time(1) OUTRn off to OUTGn off, OUTGn off to OUTBn off, tD4 3 6 ns OUTBn off to OUTRn + 1 off, BCR/G/B = 7Fh LAT ↑ to IOUTn changing by global brightness control (BC data are tD5 20 50 ns 0Ch-72h or 72h-0Ch) On/off latched data = '1', BCR/G/B = 7Fh, 20 ns BLANK low level tON_ERR Output on-time error(2) –11 5 ns one-shot pulse input (1) Propagation delay, tD3 (OUTRn on to OUTGn on, OUTGn on to OUTBn on, OUTBn on to OUTRn + 1 on ) is calculated by the formula: tD3 (ns) = (the propagation delay between OUTR0 to OUTB7 = on)/23 tD4 (OUTRn to OUTGn = off, OUTGn to OUTBn = off, OUTBn to OUTRn + 1 = off ) is calculated by the formula: tD4 (ns) = (the propagation delay between OUTR0 to OUTB7 = off)/23 (2) Output on-time error is calculated by the formula: tON_ERR (ns) = tOUT_ON – BLANK low-level pulse width. tOUT_ON is the actual on-time of the constant current output. 6 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): TLC5952 |
Аналогичный номер детали - TLC5952 |
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Аналогичное описание - TLC5952 |
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