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TPS61196PWPR Datasheet(PDF) 7 Page - Texas Instruments

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Part # TPS61196PWPR
Description  6-String 400-mA WLED Driver with Independent PWM Dimming for Each String
PDF  30 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61196PWPR Datasheet(HTML) 7 Page - Texas Instruments

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PWM Dimming Duty Cycle (%)
VIN = 12 V
VIN = 24 V
20 LEDs (VOUT = 60 V)
200 Hz Dimming Frequency
G001
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PWM Dimming Duty Cycle (%)
VIN = 12 V
VIN = 24 V
16 LEDs (VOUT = 50 V)
200 Hz Dimming Frequency
G002
TPS61196
www.ti.com
SLVSBG1C – OCTOBER 2012 – REVISED FEBRUARY 2013
TYPICAL CHARACTERISTICS
Table 1. TABLE OF GRAPHS
Figure 1 as test circuit
TITLE
TEST CONDITIONS
FIGURE
Efficiency (20LEDs)
20 LEDs(VOUT = 60V), IOUT = 0.78A, 200Hz Dimming Frequency
Figure 2
Efficiency (16LEDs)
16 LEDs(VOUT = 50V), IOUT = 0.78A, 200Hz Dimming Frequency
Figure 3
Dimming Linearity
20 LEDs(VOUT = 60V), VIN = 24V
Figure 4
Dimming Linearity at Low Dimming Duty Cycle
20 LEDs(VOUT = 60V), VIN = 24V
Figure 5
DC Load Efficiency
fSW = 200 kHz
Figure 6
Switching Frequency Setting
VIN = 24V
Figure 7
Recommended Minimum Headroom Voltage
Figure 8
Boost Switching Waveform
VIN = 24V, VOUT = 74V, IOUT = 0.78A
Figure 9
Startup Waveform (1% Dimming)
200Hz Dimming Frequency, 1% Dimming Duty Cycle
Figure 10
Startup Waveform (100% Dimming)
200Hz Dimming Frequency, 100% Dimming Duty Cycle
Figure 11
Dimming Waveform (0.1% Dimming)
200Hz Dimming Frequency, 0.1% Dimming Duty Cycle
Figure 12
Dimming Waveform (2% Dimming)
200Hz Dimming Frequency, 2% Dimming Duty Cycle
Figure 13
Shutdown Waveform (1% Dimming)
200Hz Dimming Frequency, 1% Dimming Duty Cycle
Figure 14
Shutdown Waveform (100% Dimming)
200Hz Dimming Frequency, 100% Dimming Duty Cycle
Figure 15
LED Open Protection (1% Dimming)
200Hz Dimming Frequency, 1% Dimming Duty Cycle
Figure 16
LED Open Protection (100% Dimming)
200Hz Dimming Frequency, 100% Dimming Duty Cycle
Figure 17
LED Short Protection (1% Dimming)
200Hz Dimming Frequency, 1% Dimming Duty Cycle
Figure 18
LED Short Protection (100% Dimming)
200Hz Dimming Frequency, 100% Dimming Duty Cycle
Figure 19
IFB Short to Ground Protection (1% Dimming)
200Hz Dimming Frequency, 1% Dimming Duty Cycle
Figure 20
IFB Short to Ground Protection (100% Dimming)
200Hz Dimming Frequency, 100% Dimming Duty Cycle
Figure 21
EFFICIENCY (20LEDs)
EFFICIENCY (16LEDs)
Figure 2.
Figure 3.
Copyright © 2012–2013, Texas Instruments Incorporated
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