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TL4242TDRJRQ1 Datenblatt(PDF) 4 Page - Texas Instruments |
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TL4242TDRJRQ1 Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 21 page TL4242-Q1 SLVS732E – JULY 2010 – REVISED JULY 2013 www.ti.com OVERALL DEVICE ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range, VI = 13.5 V, RREF = 0.47 Ω, VPWM,H, TA = –40°C to 105°C (QFN), TA = –40°C to 125°C (SFM), all voltages with respect to ground (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT IqL Supply current VQ = 6.6 V 12 22 mA IqOFF Supply current, off mode PWM = L, TJ < 85°C 0.1 2 μA OUTPUT ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range, VI = 13.5 V, RREF = 0.47 Ω, VPWM,H, TA = –40°C to 105°C (QFN), TA = –40°C to 125°C (SFM), all voltages with respect to ground (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VQ – VREF (1) = 6.6 V 357 376 395 VQ – VREF = 6.6 V, RREF = 1 Ω 168 177 185 IQ Output current mA VQ – VREF = 6.6 V, RREF = 0.39 Ω 431 454 476 VQ – VREF = 5.4 V to 7.8 V, VI = 9 V to 16 V 357 376 395 IQmax Output current limit RREF = 0 Ω 600 mA Vdr Drop voltage IQ = 300 mA 0.35 0.7 V (1) VQ – VREF equals the forward voltage sum of the connected LEDs (see ). PWM INPUT ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range, VI = 13.5 V, RREF = 0.47 Ω, VPWM,H, TA = –40°C to 105°C (QFN), TA = -40°C to 125°C (SFM), all voltages with respect to ground (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VPWM,H High-level PWM voltage 2.6 V VPWM,L Low-level PWM voltage 0.7 V IPWM,H High-level PWM input current VPWM = 5 V 220 500 μA IPWM,L Low-level PWM input current VPWM = 0 V –1 1 μA tPWM,ON Delay time, turnon 70% of IQnom, see Figure 8 0 15 40 μs tPWM,OFF Delay time, turnoff 30% of IQnom, see Figure 8 0 15 40 μs REFERENCE (REF) ELECTRICAL CHARACTERISTICS over recommended operating free-air temperature range, VI = 13.5 V, RREF = 0.47 Ω, VPWM,H, TA = –40°C to 105°C (QFN), TA = –40°C to 125°C (SFM), all voltages with respect to ground (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VREF Reference voltage RREF = 0.39 Ω to 1 Ω 168 177 185 mV IREF Reference input current VREF = 180 mV –1 0.1 1 μA 4 Submit Documentation Feedback Copyright © 2010–2013, Texas Instruments Incorporated Product Folder Links: TL4242-Q1 |
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