Datasheet

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TYPICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
80
90
100
2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.5
V -InputVoltage-V
I
LEDPowerEfficiency(PLED/PIN)-%
I =50mA
LED
I =250mA
LED
I =100mA
LED
I =2000mA
LIM
I =150mA
LED
0
10
20
30
40
50
60
70
80
90
100
2.5 2.9 3.3 3.7 4.1 4.5 4.9 5.3 5.5
V -InputVoltage-V
I
LEDPowerEfficiency(PLED/PIN)-%
I =300mA
LED
I =500mA
LED
I =700mA
LED
I =900mA
LED
I =1200mA
LED
ILIM=2000mA
TPS61050
TPS61052
SLUS525 – MARCH 2007
Table 1. Table of Graphs
FIGURE
LED Power Efficiency vs. Input Voltage Figure 4 , Figure 5
DC Input Current vs. Input Voltage Figure 6
LED Current vs. LED Pin Headroom Voltage Figure 7
LED Current vs. LED Current Digital Code Figure 8 , Figure 9 , Figure 10
Voltage Mode Efficiency vs. Output Current Figure 11
DC Output Voltage vs. Load Current Figure 12
DC Output Voltage vs. Input Voltage Figure 13
Quiescent Current vs. Input Voltage Figure 14
Shutdown Current vs. Input Voltage Figure 15
Junction Temperature vs. GPIO Voltage Figure 16
PWM Operation Figure 17
Down-Mode Operation Figure 18
Voltage Mode Load Transient Response Figure 19
Down-Mode Line Transient Response Figure 20
Duty Cycle Jitter Figure 21
Input Ripple Voltage Figure 22
Low-Light Dimming Mode Operation Figure 23
Torch/Flash Sequence Figure 24
TX-Masking Operation Figure 25 , Figure 26 , Figure 27
Junction Temperature Monitoring Figure 28
Start-up Into Torch Operation Figure 29 , Figure 30
LED POWER EFFICIENCY LED POWER EFFICIENCY
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 4. Figure 5.
9
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