Datasheet AL8843Q (Diodes) - 7
| Manufacturer | Diodes |
| Description | Automotive Compliant 40V 3A Step-Down LED Driver |
| Pages / Page | 18 / 7 — AL8843Q. Typical Performance Characteristics. Efficiency. vs. Input … |
| File Format / Size | PDF / 1.2 Mb |
| Document Language | English |
AL8843Q. Typical Performance Characteristics. Efficiency. vs. Input Voltage. Efficiency vs. Input Voltage. (RSET =0.3Ω. , L=100μH)
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AL8843Q Typical Performance Characteristics
(continued) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
Efficiency vs. Input Voltage Efficiency vs. Input Voltage (RSET =0.3Ω , L=100μH) (RSET =0.15 Ω, L=47μH)
100 100 98 98 96 96 94 94 92 92 ) 90 ) 90 % 88 % 88 86 86 84 V =3.3V 84 V =3.3V O O 82 V =6.6V Eficiency ( V =6.6V O 82 O V =9.9V Eficiency ( V =9.9V 80 O O V =13.2V 80 V =13.2V O O 78 V =16.5V V =16.5V O 78 O 76 V =19.8V V =19.8V O O V =23.1V 76 V =23.1V O O 74 V =26.4V 74 V =26.4V O O 72 V =29.7V V =29.7V O 72 O V =33V V =33V 70 O 70 O 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)
Efficiency vs. Input Voltage Efficiency vs. Input Voltage (RSET =0.1Ω, L=33μH) (RSET =0.067Ω, L=47μH)
100 100 98 98 96 96 94 94 92 92 ) 90 ) 90 % 88 % 88 86 86 84 84 82 V =3.3V O Eficiency ( V =6.6V 82 O Eficiency ( 80 V =9.9V V =3.3V O O 80 V =13.2V V =6.6V O 78 O V =9.9V V =16.5V 78 O O V =13.2V O 76 V =19.8V O 76 V =16.5V O V =23.1V V =19.8V O O 74 V =26.4V 74 V =23.1V O O V =26.4V O 72 V =29.7V O V =29.7V V =33V 72 O O V =33V 70 70 O 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)
Efficiency vs. Input Voltage LED Current vs. Input Voltage (RSET =0.05Ω, L=47μH) (RSET =0.3Ω, L=100μH)
100 350 98 Vo=3.3V Vo=6.6V 348 V =3.3V O V =6.6V 96 Vo=9.9V O Vo=13.2V 346 V =9.9V O 94 Vo=16.5V Vo=19.8V 344 V =13.2V O Vo=23.1V V =16.5V 92 O Vo=26.4V 342 V =19.8V Vo=29.7V O ) 90 V =23.1V Vo=33V A) 340 O % V =26.4V O 88 (m 338 V =29.7V O V =33V 86 336 O rent 84 ur 334 82 Eficiency ( 332 D C 80 330 LE 78 328 76 326 74 324 72 322 70 320 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 7 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
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(continued) (@TA = +25°C, VIN = 16V, unless otherwise specified.)
Efficiency vs. Input Voltage Efficiency vs. Input Voltage (RSET =0.3Ω , L=100μH) (RSET =0.15 Ω, L=47μH)
100 100 98 98 96 96 94 94 92 92 ) 90 ) 90 % 88 % 88 86 86 84 V =3.3V 84 V =3.3V O O 82 V =6.6V Eficiency ( V =6.6V O 82 O V =9.9V Eficiency ( V =9.9V 80 O O V =13.2V 80 V =13.2V O O 78 V =16.5V V =16.5V O 78 O 76 V =19.8V V =19.8V O O V =23.1V 76 V =23.1V O O 74 V =26.4V 74 V =26.4V O O 72 V =29.7V V =29.7V O 72 O V =33V V =33V 70 O 70 O 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)
Efficiency vs. Input Voltage Efficiency vs. Input Voltage (RSET =0.1Ω, L=33μH) (RSET =0.067Ω, L=47μH)
100 100 98 98 96 96 94 94 92 92 ) 90 ) 90 % 88 % 88 86 86 84 84 82 V =3.3V O Eficiency ( V =6.6V 82 O Eficiency ( 80 V =9.9V V =3.3V O O 80 V =13.2V V =6.6V O 78 O V =9.9V V =16.5V 78 O O V =13.2V O 76 V =19.8V O 76 V =16.5V O V =23.1V V =19.8V O O 74 V =26.4V 74 V =23.1V O O V =26.4V O 72 V =29.7V O V =29.7V V =33V 72 O O V =33V 70 70 O 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)
Efficiency vs. Input Voltage LED Current vs. Input Voltage (RSET =0.05Ω, L=47μH) (RSET =0.3Ω, L=100μH)
100 350 98 Vo=3.3V Vo=6.6V 348 V =3.3V O V =6.6V 96 Vo=9.9V O Vo=13.2V 346 V =9.9V O 94 Vo=16.5V Vo=19.8V 344 V =13.2V O Vo=23.1V V =16.5V 92 O Vo=26.4V 342 V =19.8V Vo=29.7V O ) 90 V =23.1V Vo=33V A) 340 O % V =26.4V O 88 (m 338 V =29.7V O V =33V 86 336 O rent 84 ur 334 82 Eficiency ( 332 D C 80 330 LE 78 328 76 326 74 324 72 322 70 320 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 7 of 18 October 2019 Document number: DS41943 Rev. 2 - 2
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© Diodes Incorporated Document Outline Pin Assignments Description Applications Features
