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TLC5902 Datasheet(PDF) 10 Page - Texas Instruments |
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TLC5902 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 22 page  TLC5902 LED DRIVER SLLS382 – DECEMBER 1999 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics, MIN/MAX: VCC(LOG) = VCCANA = PVCC = 4.5 V to 5.5 V, TA = –20°C to 85°C TYP: VCC(LOG) = VCC(ANA) = PVCC = 5 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VOH High–level output voltage IOH = –1 mA, DOUT0 to DOUT7, GSOUT, BOUT VCC(LOG) –0.5V V VOL L ow–level output voltage IOL = 1 mA, DOUT0 to DOUT7, GSOUT, BOUT 0.5 V OL g IOL = 5 mA DOWN 0.5 II Input current VI = VCC(LOG) or GND(LOG) ±1 µA I(OG) Supply current (logic) Input signal is static, TS_ENA = H, WD_CAP = OPEN 1 mA I(LOG) Supply current (logic) Data transfer, DCLK = 15 MHz, GSCLK = 1 MHz 18 30 mA I(ANA) Supply current (analog) LED turns on, R(IREF) = 590 Ω 3 5 mA I(ANA) Supply current (analog) LED turns off, R(IREF) = 590 Ω 3 5 mA R(IREF) = 1180 Ω, LED turns off 15 20 R(IREF) = 590 Ω, LED turns off 30 40 I(PVCC) Supply current (constant current driver) VO = 1 V, R(IREF) = 1180 Ω, 16 bits output turns on 25 35 mA VO = 1 V, R(IREF) = 590 Ω, 16 bits output turns on 50 70 IOL(C1) Constant output current VO = 1 V, V(IREF) = 1.24 V, R(IREF) = 1180 Ω 35 40 45 mA IOL(C2) Constant output current VO = 1 V, V(IREF) = 1.24 V, R(IREF) = 590 Ω 70 80 90 mA Ilkg Constant output leakage current VO = 15 V, R(IREF) = 590 Ω, LED turn off 10 µA ∆IOL(C) Constant output current error between bit VCC(LOG) = VCC(ANA) = PVCC = 5 V, V(IREF) = 1.24 V, R(IREF) = 590 Ω, All bits turns on, VO = 1 V ±1% ±4% I ∆OL(C1) Changes in constant output current depend on supply voltage V(IREF) = 1.24 V ±1% ±4% V I ∆OL(C2) Changes in constant output current depend on output voltage V(IREF) = 1.24 V, R(IREF) = 1180 Ω, 1 bit output turns on, VO = 1 V to 3 V ±1% ±2% V T(tsd) TSD detection temperature (thermal shutdown circuit) Junction temperature 150 160 170 °C T(wdt) WDT detection time (watch–dog timer circuit) No external capacitor 1 3 8 ms V(IREF) Voltage reference BC_ENA = L, R(IREF) = 590 Ω 1.24 V |
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