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LP8866S-Q1 Datasheet(PDF) 12 Page - Texas Instruments |
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LP8866S-Q1 Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 82 page  6.8 Typical Characteristics Unless otherwise specified: CIN = COUT = 2 × 10-μF ceramic and 2 × 33-μF electrolytic, VDD = 3.3 V, charge pump enabled, TA = 25°C Brightness (%) 0 10 20 30 40 50 60 70 80 90 100 75 80 85 90 95 100 D001 VIN = 9 V VIN = 12 V VIN = 16 V VIN = 24 V ƒSW = 303 kHz 8 LEDs/string 150 mA/string L1 = 22 µH 6 strings Figure 6-2. Boost Efficiency Brightness (%) 0 10 20 30 40 50 60 70 80 90 100 60 65 70 75 80 85 90 95 100 D002 VIN = 9 V VIN = 12 V VIN = 16 V VIN = 24 V ƒSW = 2.2 MHz 8 LEDs/string 150 mA/string L1 = 10 µH 6 strings Figure 6-3. Boost Efficiency Brightness (%) 0 10 20 30 40 50 60 70 80 90 100 55 60 65 70 75 80 85 90 D003 VIN = 6 V VIN = 12 V VIN = 17 V ƒSW = 303 kHz 2 LEDs/string 150 mA/string L1 = 10 µH, L2 = 15 µH 6 strings Figure 6-4. SEPIC Efficiency Brightness (%) 0 10 20 30 40 50 60 70 80 90 100 50 55 60 65 70 75 80 85 D004 VIN = 6 V VIN = 12 V VIN = 17 V ƒSW = 2.2 MHz 2 LEDs/string 150 mA/string L1 = L2 = 4.7 µH 6 strings Figure 6-5. SEPIC Efficiency Brightness Code 0 8192 16384 24576 32768 40960 49152 57344 65536 0 30 60 90 120 150 D005 15 mA 25 mA 50 mA 80 mA 120 mA 150 mA Figure 6-6. Current Linearity Brightness Code 0 8192 16384 24576 32768 40960 49152 57344 65536 0.0 0.5 1.0 1.5 2.0 2.5 D006 Figure 6-7. Current Matching LP8866S-Q1 SNVSBD1A – AUGUST 2020 – REVISED FEBRUARY 2021 www.ti.com 12 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: LP8866S-Q1 |
Similar Part No. - LP8866S-Q1_V01 |
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Similar Description - LP8866S-Q1_V01 |
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