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LP5520 Fiches technique(PDF) 8 Page - Texas Instruments

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No de pièce LP5520
Description  RGB Backlight LED Driver
PDF  46 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

LP5520 Fiches technique(HTML) 8 Page - Texas Instruments

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AUTOLOAD OFF
AUTOLOAD ON
20.0
17.0
14.0
11.0
8.0
5.0
OUTPUT VOLTAGE (V)
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
TIME (s)
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
VBOOST
VLOAD
VDRIVER
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
60
120
180
240
300
360
OUTPUT CURRENT (mA)
20.0
18.0
16.0
14.0
12.0
10.0
8.0
6.0
4.0
VIN = 2.9V
VIN = 3.6V
INDUCTOR TDK VLF3010 - 4.7 mH
VOUT = 20V
VOUT =1 5V
VOUT = 10V
INDUCTOR TDK VLF3010 - 4.7 P
H
ILOAD = 60 mA
600
600
500
450
400
350
300
250
200
150
BATTERY VOLTAGE (V)
2.9
3.1
3.3
3.5
3.7
3.9
4.1
OUTPUT VOLTAGE (V)
0.0
0.2
0.4
0.6
0.8
1.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
OUTPUT VOLTAGE (V)
0.0
0.2
0.4
0.6
0.8
1.0
0.0
10.0
20.0
30.0
40.0
50.0
60.0
8
LP5520
SNVS440B – MAY 2007 – REVISED MARCH 2016
www.ti.com
Product Folder Links: LP5520
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
6.11 Typical Characteristics
6.11.1 RGB Driver Typical Characteristics
Figure 3. VSAT vs ILED
Figure 4. VSAT vs ILED
6.11.2 Boost Converter Typical Characteristics
VIN = 3.6 V, VOUT = 15 V, if not otherwise stated.
Figure 5. Boost Maximum Output Voltage vs Current
Figure 6. Battery Current vs Voltage
Figure 7. Auto-Load Effect on Input Current, No Load
Figure 8. Adaptive Output Voltage Operation



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