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TLC5970DAP датащи(PDF) 9 Page - Texas Instruments |
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TLC5970DAP датащи(HTML) 9 Page - Texas Instruments |
9 / 48 page TLC5970 www.ti.com SBVS140 – MARCH 2010 SWITCHING CHARACTERISTICS At VCC = 10 V to 36 V, TA = –40°C to +85°C, RIREF = 1 kΩ, and VLED = 5.0 V. Typical values at VCC = 24 V and TA = +25°C, unless otherwise noted. TLC5970 PARAMETER TEST CONDITIONS MIN TYP MAX UNIT At SDTY, SDTZ, SCKY, or SCKZ pins. RLDIF = 2 × 51 Ω, CLDIF = 50 pF, SDTA-SDTB = SCKA-SCKB = 20 MHz, tR0 15 ns measured at 0.4 V differential point Rise time (see Figure 10 and Figure 11) At OUTn pins. DCn/BC = 7Fh, RLLED = 27 Ω, CLLED = 15 pF tR1 10 15 ns (see Figure 12) At SDTY, SDTZ, SCKY, or SCKZ pins. RLDIF = 2 × 51 Ω, CLDIF = 50 pF, SDTA-SDTB = SCKA-SCKB = 20 MHz, tF0 15 ns measured at 0.4 V differential point Fall time (see Figure 10 and Figure 11) At OUTn pins. DCn/BC = 7Fh, RLLED = 27 Ω, CLLED = 15 pF tF1 10 35 ns (see Figure 12) (SCKA-SCKB) ↑ – (SDTY-SDTZ) , RLDIF = 2 × 51 Ω, tD0 20 30 60 ns CLDIF = 50 pF, DSI mode = 2 (see Figure 10) (SCKA-SCKB) ↑ – (SDTY-SDTZ) , RLDIF = 2 × 51 Ω, tD0A 30 50 90 ns CLDIF = 50 pF, DSI mode = 1 (see Figure 10) (SCKA-SCKB) ↓ – (SDTY-SDTZ) , RLDIF = 2 × 51 Ω, tD0B 20 30 55 ns CLDIF = 50 pF, DSI mode = 0 (see Figure 11) (SCKA-SCKB) ↑ – (SCKY-SCKZ)↑, RLDIF = 2 × 51 Ω, tD1 13 19 33 ns CLDIF = 50 pF, DSI mode = 2 (see Figure 10) (SCKA-SCKB) ↑ – (SCKY-SCKZ)↑, RLDIF = 2 × 51 Ω, tD1A 13 19 33 ns CLDIF = 50 pF, DSI mode = 1 (see Figure 10) Propagation delay time (SCKA-SCKB) ↑↓ – (SCKY-SCKZ)↑↓, RLDIF = 2 × 51 Ω, tD1B 13 20 30 ns CLDIF = 50 pF, DSI mode = 0 (see Figure 11) (SCKY-SCKZ) ↑ – (SDTY-SDTZ), RLDIF = 2 × 51 Ω, tD2 (1) 5 11 30 ns CLDIF = 50 pF, DSI mode = 2 (SCKY-SCKZ) ↑ – (SDTY-SDTZ), RLDIF = 2 × 51 Ω, tD2A (1) 15 31 60 ns CLDIF = 50 pF, DSI mode = 1 tD3 (SCKA-SCKB) ↑ – OUT0 turns on/off (see Figure 12) 12 30 60 ns tD4 (SCKA-SCKB) ↑ – OUT1 turns on/off (see Figure 12) 35 70 140 ns tD5 (SCKA-SCKB) ↑ – OUT2 turns on/off (see Figure 12) 55 110 220 ns Shift clock output (SCKY-SCKZ) ↑ – (SCKY-SCKZ) ↓ with DSI mode 1 or mode 2 tW 12 25 35 ns one pulse width (see Figure 10) Shift clock output High-level pulse width of (SCKA-SCKB) – high-level pulse tW_ERR –10 10 ns pulse width error width of (SCKY-SCKZ) with DSI mode 0 (see Figure 11) fOSC Internal oscillator frequency 8 10 12 MHz High-side MOS switching fSW At PH pin 1 1.25 1.5 MHz maximum frequency tDTY0 At PH pin. EEPROM data = 7h 83 86 90 % On-duty cycle tDTY1 At PH pin. EEPROM data = 0h 15 18 21 % tSCP Short-circuit detection time VFB < VSCP 2.4 4.0 µs (1) The propagation delays are calculated by tD2 = tD0 – tD1, tD2A = tD0A – tD1A. Copyright © 2010, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): TLC5970 |
Аналогичный номер детали - TLC5970DAP |
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Аналогичное описание - TLC5970DAP |
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