Datasheet LT8609, LT8609A, LT8609B (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 42V, 3A Synchronous Step-Down Regulator with 2.5µA Quiescent Current |
| Páginas / Página | 30 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. LT8609 Efficiency (3.3V Output,. … |
| Revisión | I |
| Formato / tamaño de archivo | PDF / 2.0 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. LT8609 Efficiency (3.3V Output,. LT8609 Efficiency (5V Output,. Burst Mode Operation)
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LT8609/LT8609A/LT8609B
TYPICAL PERFORMANCE CHARACTERISTICS LT8609 Efficiency (3.3V Output, LT8609 Efficiency (3.3V Output, LT8609 Efficiency (5V Output, Burst Mode Operation) Burst Mode Operation) Burst Mode Operation)
100 100 100 L = 8.2µH L = 8.2µH L = 8.2µH 95 fSW = 700kHz 90 fSW = 700kHz 95 fSW = 700kHz 90 80 90 85 70 85 80 60 80 75 50 75 70 40 70 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 65 30 65 60 20 60 55 VIN = 12V 10 VIN = 12V 55 VIN = 12V VIN = 24V VIN = 24V VIN = 24V 50 0 50 0 0.5 1 1.5 2 2.5 3 0.001 0.01 0.1 1 10 100 1k 10k 0 0.5 1 1.5 2 2.5 3 IOUT (A) IOUT (mA) IOUT (A) 8609 G01 8609 G02 8609 G03
LT8609 Efficiency (5V Output, LT8609 Efficiency (3.3V Output, LT8609 Efficiency (3.3V Output, Burst Mode Operation) 2MHz, Burst Mode Operation) 2MHz, Burst Mode Operation)
100 100 100 L = 8.2µH L = 2.2µH L = 2.2µH 90 fSW = 700kHz 95 fSW = 2MHz 90 fSW = 2MHz 80 90 80 70 85 70 60 80 60 50 75 50 40 70 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 65 30 20 60 20 10 VIN = 12V 55 VIN = 12V 10 VIN = 12V VIN = 24V VIN = 24V VIN = 24V 0 50 0 0.001 0.01 0.1 1 10 100 1k 10k 0 0.5 1 1.5 2 2.5 3 0.001 0.01 0.1 1 10 100 1k 10k IOUT (mA) IOUT (A) IOUT (mA) 8609 G04 8609 G05 8609 G06
LT8609 Efficiency (5V Output, LT8609 Efficiency (5V Output, 2MHz, Burst Mode Operation) 2MHz, Burst Mode Operation) FB Voltage
100 100 785 L = 2.2µH L = 2.2µH 95 fSW = 2MHz 90 fSW = 2MHz 784 90 80 783 85 70 782 80 60 TAGE (mV) 781 75 50 780 70 40 TION VOL 779 EFFICIENCY (%) EFFICIENCY (%) 65 30 778 60 20 777 FB REGULA 55 VIN = 12V 10 VIN = 12V 776 VIN = 24V VIN = 24V 50 0 775 0 0.5 1 1.5 2 2.5 3 0.001 0.01 0.1 1 10 100 1k 10k –50 –10 30 70 110 150 IOUT (A) IOUT (mA) TEMPERATURE (°C) 8609 G07 8609 G08 8609 G09 Rev. I 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS LT8609 Efficiency (3.3V Output, LT8609 Efficiency (3.3V Output, LT8609 Efficiency (5V Output, Burst Mode Operation) Burst Mode Operation) Burst Mode Operation)
100 100 100 L = 8.2µH L = 8.2µH L = 8.2µH 95 fSW = 700kHz 90 fSW = 700kHz 95 fSW = 700kHz 90 80 90 85 70 85 80 60 80 75 50 75 70 40 70 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 65 30 65 60 20 60 55 VIN = 12V 10 VIN = 12V 55 VIN = 12V VIN = 24V VIN = 24V VIN = 24V 50 0 50 0 0.5 1 1.5 2 2.5 3 0.001 0.01 0.1 1 10 100 1k 10k 0 0.5 1 1.5 2 2.5 3 IOUT (A) IOUT (mA) IOUT (A) 8609 G01 8609 G02 8609 G03
LT8609 Efficiency (5V Output, LT8609 Efficiency (3.3V Output, LT8609 Efficiency (3.3V Output, Burst Mode Operation) 2MHz, Burst Mode Operation) 2MHz, Burst Mode Operation)
100 100 100 L = 8.2µH L = 2.2µH L = 2.2µH 90 fSW = 700kHz 95 fSW = 2MHz 90 fSW = 2MHz 80 90 80 70 85 70 60 80 60 50 75 50 40 70 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 65 30 20 60 20 10 VIN = 12V 55 VIN = 12V 10 VIN = 12V VIN = 24V VIN = 24V VIN = 24V 0 50 0 0.001 0.01 0.1 1 10 100 1k 10k 0 0.5 1 1.5 2 2.5 3 0.001 0.01 0.1 1 10 100 1k 10k IOUT (mA) IOUT (A) IOUT (mA) 8609 G04 8609 G05 8609 G06
LT8609 Efficiency (5V Output, LT8609 Efficiency (5V Output, 2MHz, Burst Mode Operation) 2MHz, Burst Mode Operation) FB Voltage
100 100 785 L = 2.2µH L = 2.2µH 95 fSW = 2MHz 90 fSW = 2MHz 784 90 80 783 85 70 782 80 60 TAGE (mV) 781 75 50 780 70 40 TION VOL 779 EFFICIENCY (%) EFFICIENCY (%) 65 30 778 60 20 777 FB REGULA 55 VIN = 12V 10 VIN = 12V 776 VIN = 24V VIN = 24V 50 0 775 0 0.5 1 1.5 2 2.5 3 0.001 0.01 0.1 1 10 100 1k 10k –50 –10 30 70 110 150 IOUT (A) IOUT (mA) TEMPERATURE (°C) 8609 G07 8609 G08 8609 G09 Rev. I 6 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts