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TPS65142 Datasheet(PDF) 10 Page - Texas Instruments |
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TPS65142 Datasheet(HTML) 10 Page - Texas Instruments |
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10 / 32 page  TPS65142 SLVSAX5 – JULY 2011 www.ti.com TYPICAL CHARACTERISTICS TABLE OF GRAPHS NAME CONDITIONS FIGURE BOOST CONVERTER (AVDD) Efficiency vs. Load Current VIN = 3.3 V, VS = 9 V, L = 6.8 µH, f = 1.2 MHz Figure 1 Load Transient Response VIN = 3.3V, VS = 9 V, IS = 50 mA to 250 mA Figure 2 CCM Operation, VIN = 3.3 V, VS = 9 V, IS = 200 mA, VGH = 24 V, IGH = 10 mA Figure 3 Switch Node (SW) Wave form DCM Operation, VIN = 3.3 V, VS = 9 V, IS = 5 mA, VGH = 24 V, IGH = 1 mA Figure 4 POSITIVE CHARGE PUMP (VGH) Output Voltage Ripple VIN = 3.3V, VGH = 24 V, IGH = 20 mA, VS = 9 V, IS = 100 mA Figure 5 Load Transient Response VIN = 3.3 V, VGH = 21.5 V IGL = 5 mA to 15 mA, VS = 9 V, IS = 100 mA Figure 6 Output Voltage vs Load Current VIN = 4.2 V, VGH = 24 V, VS = 14 V Figure 7 NEGATIVE CHARGE PUMP (VGL) Output Voltage Ripple VIN = 3.3 V, VGL = –5.8 V IGL = 20 mA, VS = 9 V, IS = 100 mA Figure 8 Load Transient Response VIN = 3.3 V, VGL = –5.8 V IGL = 5 mA to 15 mA, VS = 9 V, IS = 100 mA Figure 9 Output Voltage vs Load Current VIN = 4.2 V, VGL = –6 V, VS = 9 V Figure 10 POWER ON SEQUENCING Power On Sequence VIN = 3.3 V, VS = 9 V, VGH = 24 V, VGL = –5.8 V Figure 11 Power Off Sequence VIN = 3.3 V, VS = 9 V, VGH = 24 V, VGL = –5.8 V Figure 12 Power On Sequence of VGHM VIN = 3.3 V, VGH = 24 V, C(VDPM) = 100 nF, RE = 80 KΩ Figure 13 Power Off Sequence of VGHM VIN = 3.3 V, VGH = 24 V, C(VDPM) = 100 nF, RE = 80 KΩ Figure 14 Gate Voltage Shaping VIN = 3.3 V, VGH = 24 V, f(VFLK) = 10 KHz, RE = 80 KΩ Figure 15 Reset (XAO) VIN = 3.3 V, VIN(LIM) = 2.7 V Figure 16 WLED DRIVER Load Efficiency of WLED Driver VBAT = 10 V, VOUT = 19 V, 25 V and 33 V, L = 10 µH Figure 17 Load Efficiency of WLED Driver VBAT = 10 V, 15 V and 19 V, VOUT = 35 V, L = 10 µH Figure 18 Dimming Linearity VBAT = 10 V, IOUT = 120 mA, PWM Freq 100 Hz Figure 19 Dimming Linearity VBAT = 15 V, IOUT = 120 mA, PWM Freq 1 kHz Figure 20 Switching Waveform VBAT = 12 V, VOUT = 30.6 V, Duty 100%, CO = 4.7 µF Figure 21 Output Ripple at PWM Dimming VBAT = 12 V, VOUT = 30.6 V, Duty 50%, CO = 4.7 µF Figure 22 Power On Sequence VBAT = 12 V, ISET = 20 µA Figure 23 Open LED Protection VBAT = 12 V, ISET = 20 µA Figure 24 10 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Link(s) :TPS65142 |
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