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TPS61141DRCRG4 Datasheet(PDF) 6 Page - Texas Instruments |
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TPS61141DRCRG4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 26 page www.ti.com TYPICAL CHARACTERISTICS Table of Graphs 65 67 69 71 73 75 77 79 81 83 85 1 2 3 4 5 6 7 8 9 10 1112 13 14 15 16 1718 19 20 OLEDCurrent-mA Vin=3.3V Vin=3.6V Vin=4V Vout=15V, SELV=High SELI=Low 750 770 790 810 830 850 870 890 910 930 950 0 2 4 6 8 10 12 14 16 18 20 22 24 WLED-Current-mA V =3.6V, WLEDVoltage=15V I TPS61140 TPS61141 SLVS624B – JANUARY 2006 – REVISED MARCH 2007 TITLE CONDITIONS FIGURES K value over current Vin = 3.6 V, Iload = 2 mA to 25 mA Figure 1 OLED efficiency vs load current Vin = 3.3 V, 3.6 V and 4 V, Vout = 15 V Figure 2 WLED efficiency vs load current Vin = 3.3 V, 3.6 and 4 V, 3 WLED, WLED voltage = 11 V Figure 3 WLED efficiency vs load current Vin = 3.3 V, 3.6 V and 4 V, 4 WLED, WLED voltage = 15 V Figure 4 WLED efficiency vs load current Vin = 3.3 V, 3.6 V and 4 V, 5 WLED, WLED voltage = 19 V Figure 5 WLED efficiency vs load current Vin = 3.3 V, 3.6 V and 4 V, 6 WLED, WLED voltage = 23 V Figure 6 OLED load regulation Vin = 3.6 V, Iout = 15 V, Iload = 2 mA to 20 mA Figure 7 OLED line regulation Vin = 3 V to 5 V, Iout = 15 V, Iload = 10 mA Figure 8 OLED ripple voltage waveform Vin = 3.6 V, Vout = 15 V, Iload = 20, 2mA Figure 9, 10 WLED PWM dimming waveform Figure 11 WLED PWM dimming linearity Frequency = 20 kHz and 30 KHz Figure 12 Transition between OLED+WLED and OLED only 4 WLED and Vout=15V Figure 13 WLED start up waveform Figure 14 OLED start up waveform Figure 15 PWM Mode Overcurrent Limit WLED Only Figure 16 PWM Mode Overcurrent Limit WLED + OLED Figure 17 K VALUE EFFICIENCY vs vs WLED CURRENT OLED CURRENT Figure 1. Figure 2. 6 Submit Documentation Feedback |
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