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LP55281 Datenblatt(PDF) 11 Page - Texas Instruments

Teilenummer LP55281
Bauteilbeschribung  LP55281 12-Channel RGB/White-LED Drive With SPI, I2C Interface
PDF  42 Pages
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Hersteller  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

LP55281 Datenblatt(HTML) 11 Page - Texas Instruments

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0.0
140.0
280.0
420.0
560.0
700.0
5.1
4.8
4.5
4.2
3.9
3.6
VIN = 3.6V
f = 2 MHz
L -TDK VLF4012AT 4.7 é
H
CIN = COUT = 10 éF
OUTPUT CURRENT (mA)
5.1
4.8
4.5
4.2
3.9
3.6
3.0
3.6
4.1
4.7
5.2
310.0
278.0
246.0
214.0
182.0
150.0
VOUT = 5.3V
VOUT = 4.7V
ILOAD = 150 mA
VOUT = 4V
BATTERY VOLTAGE (V)
310.0
278.0
246.0
214.0
182.0
150.0
3.0
3.6
4.1
4.7
5.2
660.0
588.0
516.0
444.0
372.0
300.0
ILOAD = 300 mA
VOUT = 4.7V
VOUT = 5.3V
VOUT = 4V
BATTERY VOLTAGE (V)
660.0
588.0
516.0
444.0
300.0
372.0
3.0
3.3
3.6
3.9
4.2
4.5
91.0
88.6
86.2
83.8
81.4
79.0
ILOAD = 100 mA
fBOOST = 2.0 MHz
350 mA
300 mA
200 mA
INPUT VOLTAGE (V)
91.0
88.6
86.2
83.8
81.4
79.0
11
LP55281
www.ti.com
SNVS458D – JUNE 2007 – REVISED OCTOBER 2016
Product Folder Links: LP55281
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
6.8 Boost Converter Typical Characteristics
Figure 3. Boost Converter Efficiency
Figure 4. Battery Current vs Voltage
Figure 5. Battery Current vs Voltage
Figure 6. Boost Frequency vs RT Resistor
Figure 7. Output Voltage vs Load Current



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