Datasheet AL8843Q (Diodes) - 8
| 制造商 | Diodes |
| 描述 | Automotive Compliant 40V 3A Step-Down LED Driver |
| 页数 / 页 | 18 / 8 — AL8843Q. Typical Performance Characteristics. LED Current vs. Input … |
| 文件格式/大小 | PDF / 1.2 Mb |
| 文件语言 | 英语 |
AL8843Q. Typical Performance Characteristics. LED Current vs. Input Voltage. (RSET =0.15. Ω, L=47μH). (RSET =0.1. Ω, L=33μH)
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AL8843Q Typical Performance Characteristics
(continued) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
LED Current vs. Input Voltage LED Current vs. Input Voltage (RSET =0.15 Ω, L=47μH) (RSET =0.1 Ω, L=33μH)
700 1030 V =3.3V 695 O V =3.3V V =6.6V 1025 O O V =6.6V O 690 V =9.9V O V =9.9V V =13.2V 1020 O O V =13.2V 685 V =16.5V O O 1015 V =16.5V O A) V =19.8V 680 O V =19.8V V =23.1V A) 1010 O O V =23.1V (m O 675 V =26.4V O (m V =26.4V V =29.7V 1005 O rent O V =29.7V 670 V =33V rent O ur O 1000 ur V =33V O 665 D C 995 D C 660 LE 990 LE 655 985 650 980 645 975 640 970 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)
LED Current vs. Input Voltage LED Current vs. Input Voltage (RSET =0.067Ω, L=47μH) (R SET =0.05Ω, L=47μH)
1.56 2.10 V =3.3V Vo=3.3V O 2.09 1.55 V =6.6V Vo=6.6V O V =9.9V Vo=9.9V O 2.08 V =13.2V Vo=13.2V 1.54 O Vo=16.5V V =16.5V 2.07 O Vo=19.8V V =19.8V O 2.06 Vo=23.1V (A) 1.53 V =23.1V (A) O Vo=26.4V V =26.4V 2.05 Vo=29.7V rent O V =29.7V rent Vo=33V 1.52 ur O V =33V ur 2.04 O D C D C 2.03 1.51 LE LE 2.02 1.50 2.01 2.00 1.49 1.99 1.48 1.98 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 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 Frequency vs. Input Voltage Operating Frequency vs. Input Voltage (RSET =0.3Ω , L=100μH) (RSET =0.15Ω, L=47μH)
800 850 750 V =3.3V O 800 V =3.3V V =6.6V O 700 O V =6.6V V =9.9V 750 O 650 O V =9.9V V =13.2V 700 O O V =13.2V 600 V =16.5V 650 O O V =16.5V O 550 V =19.8V O 600 V =19.8V V =23.1V O 500 O 550 V =23.1V V =26.4V O y (kHz) 450 O V =26.4V V =29.7V 500 y (kHz) O O V =29.7V 400 V =33V 450 O O V =33V O 350 400 350 300 Frequenc Frequenc 300 250 250 200 200 150 150 100 100 50 50 0 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) AL8843Q 8 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
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© Diodes Incorporated Document Outline Pin Assignments Description Applications Features
(continued) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
LED Current vs. Input Voltage LED Current vs. Input Voltage (RSET =0.15 Ω, L=47μH) (RSET =0.1 Ω, L=33μH)
700 1030 V =3.3V 695 O V =3.3V V =6.6V 1025 O O V =6.6V O 690 V =9.9V O V =9.9V V =13.2V 1020 O O V =13.2V 685 V =16.5V O O 1015 V =16.5V O A) V =19.8V 680 O V =19.8V V =23.1V A) 1010 O O V =23.1V (m O 675 V =26.4V O (m V =26.4V V =29.7V 1005 O rent O V =29.7V 670 V =33V rent O ur O 1000 ur V =33V O 665 D C 995 D C 660 LE 990 LE 655 985 650 980 645 975 640 970 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)
LED Current vs. Input Voltage LED Current vs. Input Voltage (RSET =0.067Ω, L=47μH) (R SET =0.05Ω, L=47μH)
1.56 2.10 V =3.3V Vo=3.3V O 2.09 1.55 V =6.6V Vo=6.6V O V =9.9V Vo=9.9V O 2.08 V =13.2V Vo=13.2V 1.54 O Vo=16.5V V =16.5V 2.07 O Vo=19.8V V =19.8V O 2.06 Vo=23.1V (A) 1.53 V =23.1V (A) O Vo=26.4V V =26.4V 2.05 Vo=29.7V rent O V =29.7V rent Vo=33V 1.52 ur O V =33V ur 2.04 O D C D C 2.03 1.51 LE LE 2.02 1.50 2.01 2.00 1.49 1.99 1.48 1.98 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 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 Frequency vs. Input Voltage Operating Frequency vs. Input Voltage (RSET =0.3Ω , L=100μH) (RSET =0.15Ω, L=47μH)
800 850 750 V =3.3V O 800 V =3.3V V =6.6V O 700 O V =6.6V V =9.9V 750 O 650 O V =9.9V V =13.2V 700 O O V =13.2V 600 V =16.5V 650 O O V =16.5V O 550 V =19.8V O 600 V =19.8V V =23.1V O 500 O 550 V =23.1V V =26.4V O y (kHz) 450 O V =26.4V V =29.7V 500 y (kHz) O O V =29.7V 400 V =33V 450 O O V =33V O 350 400 350 300 Frequenc Frequenc 300 250 250 200 200 150 150 100 100 50 50 0 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) AL8843Q 8 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
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© Diodes Incorporated Document Outline Pin Assignments Description Applications Features