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LT8609A Datasheet(PDF) 5 Page - Linear Technology |
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LT8609A Datasheet(HTML) 5 Page - Linear Technology |
5 / 26 page LT8619/LT8619-5 5 8619f For more information www.linear.com/LT8619 TYPICAL PERFORMANCE CHARACTERISTICS LOAD CURRENT (mA) 0.001 0.01 0.1 1 10 100 1k 10k 0 10 20 30 40 50 60 70 80 90 100 2MHz Efficiency at VOUT = 3.3V 8619 G04 VIN = 12V fOSC = 2MHz FORCED CONTINUOUS MODE PULSE- SKIPPING MODE Burst Mode OPERATION L = 3.3µH IHLP-2020AB-01 LOAD CURRENT (A) 0 0.2 0.4 0.6 0.8 1.0 1.2 70 75 80 85 90 95 100 Efficiency at VOUT = 5V 8619 G05 FORCED CONTINUOUS MODE Burst Mode OPERATION L = 10µH, IHLP-2020BZ-01 fOSC = 700kHz 48V 24V 12V LOAD CURRENT (mA) 0.001 0.01 0.1 1 10 100 1k 10k 0 10 20 30 40 50 60 70 80 90 100 OUT 8619 G06 Burst Mode OPERATION = 700kHz OSC f VIN = 48V IN = 24V VIN = 12V L = 10µH, IHLP-2020BZ-01 V VIN (V) 0 10 20 30 40 50 60 70 75 80 85 90 95 100 Efficiency vs VIN 8619 G07 VOUT = 3.3V fSW = 700kHz FORCED CONTINUOUS MODE L = 10µH IHLP-2020BZ-01 0.5A LOAD 1.2A LOAD TEMPERATURE (°C) –50 –25 0 25 50 75 100 125 150 0.5 1 10 20 VIN 8619 G09 fOSC = 700kHz Burst Mode OPERATION SHUTDOWN 12V 12V 60V 60V 2MHz Efficiency at VOUT = 3.3V Efficiency at VOUT = 5V Efficiency at VOUT = 3.3V Efficiency vs VIN No Load IVIN at 700kHz No Load IVIN vs Temperature 700kHz Efficiency at VOUT = 5V 2MHz Efficiency at VOUT = 5V 700kHz Efficiency at VOUT = 3.3V VIN (V) 1 10 100 0.1 1 10 100 1k 10k No Load IVIN at 700kHz 8619 G08 FORCED CONTINUOUS MODE Burst Mode OPERATION 3.3V 5V 3.3V 3.3V VOUT: PULSE- SKIPPING MODE SHUTDOWN fOSC = 700kHz NO LOAD LOAD CURRENT (mA) 0.001 0.01 0.1 1 10 100 1k 10k 0 10 20 30 40 50 60 70 80 90 100 700kHz Efficiency at VOUT = 5V 8619 G01 VIN = 12V fOSC = 700kHz FORCED CONTINUOUS MODE PULSE- SKIPPING MODE Burst Mode OPERATION L = 10µH IHLP-2020BZ-01 LOAD CURRENT (mA) 0.001 0.01 0.1 1 10 100 1k 10k 0 10 20 30 40 50 60 70 80 90 100 700kHz Efficiency at VOUT = 3.3V 8619 G02 VIN = 12V fOSC = 700kHz FORCED CONTINUOUS MODE PULSE- SKIPPING MODE Burst Mode OPERATION L = 10µH IHLP-2020BZ-01 LOAD CURRENT (mA) 0.001 0.01 0.1 1 10 100 1k 10k 0 10 20 30 40 50 60 70 80 90 100 2MHz Efficiency at VOUT = 5V 8619 G03 VIN = 12V fOSC = 2MHz FORCED CONTINUOUS MODE PULSE- SKIPPING MODE Burst Mode OPERATION L = 4.7µH IHLP-2020AB-01 |
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