Datasheet AL8843Q (Diodes) - 9
| 制造商 | Diodes |
| 描述 | Automotive Compliant 40V 3A Step-Down LED Driver |
| 页数 / 页 | 18 / 9 — AL8843Q. Typical Performance Characteristics. Operating Frequency vs. … |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
AL8843Q. Typical Performance Characteristics. Operating Frequency vs. Input Voltage. (RSET =0.1Ω. , L=33μH). (RSET =0.067
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AL8843Q Typical Performance Characteristics
(continued) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
Operating Frequency vs. Input Voltage Operating Frequency vs. Input Voltage (RSET =0.1Ω , L=33μH) (RSET =0.067 Ω, L=47μH)
900 500 850 V =3.3V V =3.3V O O 800 V =6.6V 450 V =6.6V O O V =9.9V 750 V =9.9V O O 400 V =13.2V 700 V =13.2V O O V =16.5V 650 V =16.5V O O 350 V =19.8V O 600 V =19.8V O V =23.1V V =23.1V O 550 O 300 V =26.4V y (kHz) V =26.4V O 500 O y (kHz) V =29.7V V =29.7V O 450 O V =33V V =33V 250 O O 400 350 200 Frequenc Frequenc 300 150 250 200 100 150 100 50 500 0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Input Voltage (V) Input Voltage (V)
Operating Frequ ency vs. Input Voltage LED Curre nt vs. Output Voltage (RSET =0.05Ω, L=47μH) (RSET =0.3Ω, L=100μH))
350 350 Vo=3.3V 348 V =10V IN V =12V IN 300 Vo=6.6V 346 Vo=9.9V V =16V IN V =20V Vo=13.2V 344 IN V =24V 250 Vo=16.5V 342 IN V =28V Vo=19.8V A) 340 IN V =32V Vo=23.1V IN z) (m 338 V =36V 200 Vo=26.4V IN V =40V IN Vo=29.7V 336 (kH rent Vo=33V ur 334 f SW 150 332 D C 330 LE 100 328 326 50 324 322 0 320 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 3 6 9 12 15 18 21 24 27 30 33 Input Voltage (V) Output Voltage (V)
LED Current vs. Output Voltage LED Current vs. Output Voltage (RSET =0.15Ω, L=47μH) (RSET =0.1Ω, L=33μH)
700 1030 V =10V 695 V =10V IN IN V =12V 1025 V =12V IN IN 690 V =16V V =16V IN IN 1020 V =20V V =20V IN 685 IN V =24V 1015 V =24V IN IN V =28V A) IN 680 V =28V IN A) V =32V V =32V 1010 IN IN (m V =36V 675 V =36V (m IN IN 1005 V =40V V =40V IN rent 670 IN rent ur 1000 ur 665 D C 995 D C 660 LE 990 LE 655 985 650 980 645 975 640 970 3 6 9 12 15 18 21 24 27 30 33 3 6 9 12 15 18 21 24 27 30 33 Output Voltage (V) Output Voltage (V) AL8843Q 9 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
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(continued) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
Operating Frequency vs. Input Voltage Operating Frequency vs. Input Voltage (RSET =0.1Ω , L=33μH) (RSET =0.067 Ω, L=47μH)
900 500 850 V =3.3V V =3.3V O O 800 V =6.6V 450 V =6.6V O O V =9.9V 750 V =9.9V O O 400 V =13.2V 700 V =13.2V O O V =16.5V 650 V =16.5V O O 350 V =19.8V O 600 V =19.8V O V =23.1V V =23.1V O 550 O 300 V =26.4V y (kHz) V =26.4V O 500 O y (kHz) V =29.7V V =29.7V O 450 O V =33V V =33V 250 O O 400 350 200 Frequenc Frequenc 300 150 250 200 100 150 100 50 500 0 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 Input Voltage (V) Input Voltage (V)
Operating Frequ ency vs. Input Voltage LED Curre nt vs. Output Voltage (RSET =0.05Ω, L=47μH) (RSET =0.3Ω, L=100μH))
350 350 Vo=3.3V 348 V =10V IN V =12V IN 300 Vo=6.6V 346 Vo=9.9V V =16V IN V =20V Vo=13.2V 344 IN V =24V 250 Vo=16.5V 342 IN V =28V Vo=19.8V A) 340 IN V =32V Vo=23.1V IN z) (m 338 V =36V 200 Vo=26.4V IN V =40V IN Vo=29.7V 336 (kH rent Vo=33V ur 334 f SW 150 332 D C 330 LE 100 328 326 50 324 322 0 320 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 3 6 9 12 15 18 21 24 27 30 33 Input Voltage (V) Output Voltage (V)
LED Current vs. Output Voltage LED Current vs. Output Voltage (RSET =0.15Ω, L=47μH) (RSET =0.1Ω, L=33μH)
700 1030 V =10V 695 V =10V IN IN V =12V 1025 V =12V IN IN 690 V =16V V =16V IN IN 1020 V =20V V =20V IN 685 IN V =24V 1015 V =24V IN IN V =28V A) IN 680 V =28V IN A) V =32V V =32V 1010 IN IN (m V =36V 675 V =36V (m IN IN 1005 V =40V V =40V IN rent 670 IN rent ur 1000 ur 665 D C 995 D C 660 LE 990 LE 655 985 650 980 645 975 640 970 3 6 9 12 15 18 21 24 27 30 33 3 6 9 12 15 18 21 24 27 30 33 Output Voltage (V) Output Voltage (V) AL8843Q 9 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
www.diodes.com
© Diodes Incorporated Document Outline Pin Assignments Description Applications Features