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TLC5928 Datasheet(PDF) 5 Page - Texas Instruments |
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TLC5928 Datasheet(HTML) 5 Page - Texas Instruments |
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5 / 27 page  SWITCHING CHARACTERISTICS FUNCTIONAL BLOCK DIAGRAM VCC VCC SCLK SIN LAT BLANK IREF GND GND 16 16 16 MSB MSB 0 15 LSB SOUT OUT0 OUT1 OUT14 OUT15 16-ChannelConstantCurrentSinkDriver SIDLatch Thermal Detection On/OffControlShiftRegister (1Bitx16Channels) 16 0 15 LSB On/OffControlDataLatch (1Bitx16Channels) 16-ChannelLEDOpenDetection ¼ TLC5928 www.ti.com ................................................................................................................................................. SBVS120A – JULY 2008 – REVISED SEPTEMBER 2008 At VCC = 3.0 V to 5.5 V, TA = –40°C to +85°C, CL = 15 pF, RL = 130 Ω, RIREF = 1.5 kΩ, and VLED = 5.5 V. Typical values at VCC = 3.3 V and TA = +25°C, unless otherwise noted. TLC5928 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tR0 SOUT (see Figure 5) 5 15 ns Rise time tR1 OUTn (see Figure 4) 10 30 ns tF0 SOUT (see Figure 5) 5 15 ns Fall time tF1 OUTn (see Figure 4) 10 30 ns tD0 SCLK ↑ to SOUT 8 20 ns LAT ↑ or BLANK↓ to OUTn sink current on tD1 12 30 ns Propagation delay time (see Figure 10) LAT ↑ or BLANK↑ to OUTn sink current off tD2 12 30 ns (see Figure 10) On/off latch data = all '1', 20 ns BLANK low level tON_ERR Output on-time error(1) –8 +8 ns one-shot pulse input (see Figure 4) (1) Output on-time error (tON_ERR) is calculated by the formula: tON_ERR (ns) = tOUT_ON – BLANK low level one-shot pulse width (TWL2). tOUT_ON indicates the actual on-time of the constant current driver. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s): TLC5928 |
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