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DLPA2000 Fiches technique(PDF) 13 Page - Texas Instruments

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No de pièce DLPA2000
Description  Power Management and LED/Lamp Driver IC
PDF  58 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

DLPA2000 Fiches technique(HTML) 13 Page - Texas Instruments

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VIN(V)
Gamma Curves
2
3
4
5
6
0
0.2
0.4
0.6
0.8
D001
DLPA2000
www.ti.com
DLPS043A – JUNE 2014 – REVISED AUGUST 2015
6.9 Typical Characteristics
The maximum output current of the buck-boost is a function of input voltage (VIN) and output voltage (VLED). The
relationship between VIN, VLED, and MAX ILED is shown in Figure 3. Note that VLED is the output of the buck-boost
regulator, which includes the voltage drop across the sense resistor RLIM (100 m
Ω typical), internal strobe control switch
(75 m
Ω max), and the forward voltage of the LED.
2.3 V < VLED < 4.8 V
Figure 3. Maximum LED Output Current as a Function of
Input Voltage (VIN) and Buck-Boost Output Voltage (VLED)
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