Datasheet LT8619, LT8619-5 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | 60V, 1.2A Synchronous Monolithic Buck Regulator with 6μA Quiescent Current |
| Páginas / Página | 28 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. VOUT = 2.4V Start-Up Dropout. VOUT = … |
| Revisión | A |
| Formato / tamaño de archivo | PDF / 1.2 Mb |
| Idioma del documento | Inglés |
TYPICAL PERFORMANCE CHARACTERISTICS. VOUT = 2.4V Start-Up Dropout. VOUT = 5V Start-Up Dropout. Performance. EN/UV Start-Up
Línea de modelo para esta hoja de datos
LT8619
Versión de texto del documento
LT8619/LT8619-5
TYPICAL PERFORMANCE CHARACTERISTICS VOUT = 2.4V Start-Up Dropout VOUT = 5V Start-Up Dropout Performance Performance
VIN 1V/DIV VIN VIN V V 1V/DIV OUT IN 1V/DIV VOUT VOUT VOUT 1V/DIV PG PG 2V/DIV 2V/DIV SW SW 5V/DIV 1s/DIV 5V/DIV 8619 G34 8619 G35 1s/DIV VOUT = 2.4V, 10Ω LOAD VOUT = 5V, 10Ω LOAD fSW = 400kHz, L = 15μH, COUT = 47μF fSW = 700kHz, L = 10μH, COUT = 22μF PG 100k PULL-UP BY INTVCC PG 100k PULL-UP BY INTVCC FORCED CONTINUOUS MODE FORCED CONTINUOUS MODE
EN/UV Start-Up EN/UV Shut Down
EN/UV EN/UV 2V/DIV 2V/DIV VOUT VOUT 1V/DIV 1V/DIV PG 2V/DIV PG 2V/DIV SW SW 10V/DIV 10V/DIV 8619 G36 100μs/DIV 8619 G37 2μs/DIV VIN = 12V, VOUT = 3.3V, NO LOAD VIN = 12V, VOUT = 3.3V, NO LOAD fOSC = 2MHz, L = 3.3μH, COUT = 22μF fOSC = 2MHz, L = 3.3μH, COUT = 22μF FORCED CONTINUOUS MODE FORCED CONTINUOUS MODE Rev A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS VOUT = 2.4V Start-Up Dropout VOUT = 5V Start-Up Dropout Performance Performance
VIN 1V/DIV VIN VIN V V 1V/DIV OUT IN 1V/DIV VOUT VOUT VOUT 1V/DIV PG PG 2V/DIV 2V/DIV SW SW 5V/DIV 1s/DIV 5V/DIV 8619 G34 8619 G35 1s/DIV VOUT = 2.4V, 10Ω LOAD VOUT = 5V, 10Ω LOAD fSW = 400kHz, L = 15μH, COUT = 47μF fSW = 700kHz, L = 10μH, COUT = 22μF PG 100k PULL-UP BY INTVCC PG 100k PULL-UP BY INTVCC FORCED CONTINUOUS MODE FORCED CONTINUOUS MODE
EN/UV Start-Up EN/UV Shut Down
EN/UV EN/UV 2V/DIV 2V/DIV VOUT VOUT 1V/DIV 1V/DIV PG 2V/DIV PG 2V/DIV SW SW 10V/DIV 10V/DIV 8619 G36 100μs/DIV 8619 G37 2μs/DIV VIN = 12V, VOUT = 3.3V, NO LOAD VIN = 12V, VOUT = 3.3V, NO LOAD fOSC = 2MHz, L = 3.3μH, COUT = 22μF fOSC = 2MHz, L = 3.3μH, COUT = 22μF FORCED CONTINUOUS MODE FORCED CONTINUOUS MODE Rev A For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Revision History Typical Application Related Parts