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LTM8042EVPBF 数据表(PDF) 22 Page - Linear Technology |
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LTM8042EVPBF 数据表(HTML) 22 Page - Linear Technology |
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22 / 32 page  LTM8042/LTM8042-1 22 80421fa APPLICATIONS INFORMATION Table 3. LTM8042 Recommended Values and Configuration for Buck-Boost Mode (TA = 25°C) VIN RANGE (BSTIN/ BKLED–)VCC CVCC (VCC to GND) CIN (BSTIN/BKLED– TO GND) COUT1 (BSTOUT/BKIN TO BSTIN/ BKLED–) COUT2 (BSTOUT/BKIN TO GND) LED STRING VOLTAGE (LED+ to BSTIN/ BKLED–) LED STRING CURR- ENT RCTL RT (OPTI- MAL) f (OPTI- MAL) RT (MIN) f (MAX) 3V to 6V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 10V 1μF 0805 X7R 10V 1μF 0805 X7R 10V 2V to 4V 35mA 523 86.6k 250k 86.6k 250k 3V to 14V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 16V 1μF 0805 X7R 10V 1μF 0805 X7R 10V 4V to 6V 35mA 523 86.6k 250k 86.6k 250k 3V to 20V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 10V 1μF 0805 X7R 10V 6V to 9V 35mA 523 86.6k 250k 86.6k 250k 3V to 21V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 16V 1μF 0805 X7R 16V 8V to 12V 35mA 523 86.6k 250k 57.6k 350k 3V to 17.8V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 16V 1μF 1206 X7R 25V 12V to 16V 35mA 523 48.7k 400k 27.4k 650k 3V to 13V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 16V 1μF 1206 X7R 25V 1μF 1206 X7R 25V 15V to 21V 35mA 523 37.4k 500k 10.0k 1.4M 3.5V to 10.1V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 16V 1μF 1206 X7R 25V 1μF 1206 X7R 25V 18V to 24V 35mA 523 22.6k 750k 3.74k 2.5M 3V to 21V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 2V to 4V 100mA 1.30k 86.6k 250k 69.8k 300k 3V to 22.8V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 10V 1μF 0805 X7R 10V 4V to 6V 100mA 1.30k 48.7k 400k 43.2k 450k 3V to 23.4V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 10V 1μF 0805 X7R 10V 6V to 9V 100mA 1.30k 37.4k 500k 30.1k 600k 3V to 21.8V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 16V 1μF 1206 X7R 25V 8V to 12V 100mA 1.30k 21.0k 800k 16.9k 950k 3V to 17.9V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 1μF 0805 X7R 16V 1μF 1206 X7R 25V 12V to 16V 100mA 1.30k 19.6k 850k 11.0k 1.3M 3V to 12.6V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 16V 1μF 1206 X7R 25V 1μF 1206 X7R 25V 15V to 21V 100mA 1.30k 19.6k 850k 4.02k 2.4M 3.7V to 9.7V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 10V 1μF 1206 X7R 25V 1μF 1206 X7R 25V 18V to 24V 100mA 1.30k 19.6k 850k 3.74k 2.5M 3V to 28V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 2V to 4V 350mA 4.75k 43.2k 450k 37.4k 500k 3V to 27.5V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 4V to 6V 350mA 4.75k 33.2k 550k 24.9k 700k 4.5V to 24.5V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 6V to 9V 350mA 4.75k 24.9k 700k 10.7k 1.35M 5.5V to 20.7V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 8V to 12V 350mA 4.75k 15.8k 1M 6.19k 1.9M 7V to 17.1V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 12V to 16V 350mA 4.75k 15.8k 1M 3.74k 2.5M 8.2V to 11.4V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 16V 4.7μF 1210 X7R 25V 1μF 1206 X7R 25V 15V to 21V 350mA 4.75k 18.2k 900k 3.74k 2.5M 3V to 23V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 2V to 4V 500mA 7.32k 27.4k 650k 24.9k 700k 4.5V to 27V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 4V to 6V 500mA 7.32k 21.0k 800k 19.6k 850k 6V to 24V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 6V to 9V 500mA 7.32k 15.8k 1M 10.0k 1.4M 7.3V to 20.3V 3V to 30V 1μF 0805 X7R 50V 1μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 8V to 12V 500mA 7.32k 15.8k 1M 6.34k 1.85M 9.4V to 15V 3V to 30V 1μF 0805 X7R 50V 1μF 0805 X7R 16V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 12V to 16V 500mA 7.32k 15.8k 1M 3.74k 2.5M 4.2V to 23.8V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 2V to 4V 700mA 11.8k 24.9k 700k 22.6k 750k 4.7V to 27V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 50V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 4V to 6V 700mA 11.8k 16.9k 950k 15.8k 1M 6.1V to 23V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 2.2μF 1206 X7R 10V 1μF 0805 X7R 10V 6V to 9V 700mA 11.8k 16.9k 950k 9.09k 1.5M 7.3V to 20V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 2.2μF 1206 X7R 16V 1μF 1206 X7R 25V 8V to 12V 700mA 11.8k 16.9k 950k 6.19k 1.9M 10.5V to 16.5V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 25V 4.7μF 1210 X7R 16V 1μF 1206 X7R 25V 12V to 16V 700mA 11.8k 15.8k 1M 3.74k 2.5M 4.7V to 28.5V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 50V 4.7μF 1206 X7R 10V 1μF 0805 X7R 10V 2V to 4V 1A Open 24.9k 700k 22.6k 750k 6.7V to 26.8V 3V to 30V 1μF 0805 X7R 50V 2.2μF 1206 X7R 50V 4.7μF 1206 X7R 10V 1μF 0805 X7R 10V 4V to 6V 1A Open 22.6k 750k 16.9k 950k 9V to 23.5V 3V to 30V 1μF 0805 X7R 50V 4.7μF 1210 X7R 25V 4.7μF 1206 X7R 10V 1μF 0805 X7R 10V 6V to 9V 1A Open 22.6k 750k 10.0k 1.4M 13.5V to 20V 3V to 30V 1μF 0805 X7R 50V 4.7μF 1210 X7R 25V 4.7μF 1210 X7R 16V 1μF 1206 X7R 25V 8V to 12V 1A Open 22.6k 750k 5.76k 2M |
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