LP55281TLSLASHNOPB datasheet(11/42 Pages) TI2

tên linh kiện	LP55281TL/NOPB

Giải thích chi tiết về linh kiện	LP55281 12-Channel RGB/White-LED Drive With SPI, I2C Interface

PDF	42 Pages

Scroll/Zoom	100%

nhà sản xuất	TI2 [Texas Instruments]

Trang chủ	https://www.ti.com

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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

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

LP55281

www.ti.com

SNVS458D – JUNE 2007 – REVISED OCTOBER 2016

Product Folder Links: LP55281

Submit Documentation Feedback

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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