Datasheet LTC3619 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 400mA/800mA Synchronous Step-Down DC/DC with Average Input Current Limit |
| Páginas / Página | 22 / 6 — Typical perForMance characTerisTics TA = 25°C, VIN = 5V, unless otherwise … |
| Formato / tamaño de archivo | PDF / 512 Kb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics TA = 25°C, VIN = 5V, unless otherwise noted. Start-Up from Shutdown
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LTC3619
Typical perForMance characTerisTics TA = 25°C, VIN = 5V, unless otherwise noted. Start-Up from Shutdown Average Input Current Limit Start-Up from Shutdown (Channel 2) vs Temperature
8 VIN = 5V RUN 2V/DIV 6 ILIM = 475mA RUN 2V/DIV 4 VOUT 1V/DIV 2 VOUT RLIM 0 1V/DIV 1V/DIV ERROR (%) –2 I INLIM IL IIN 500mA/DIV 500mA/DIV –4 3619 G17 3619 G18 –6 200µs/DIV 2ms/DIV VIN = 5V, VOUT = 3.3V VIN = 5V, VOUT = 3.4V –8 RLOAD = 7Ω RL = NO LOAD, CL = 4.4mF –50 –25 0 25 50 75 100 125 CLOAD = 4.7µF CLIM = 2200pF, ILIM = 500mA TEMPERATURE (°C) 3619 G19
Load Step (Channel 1) Load Step (Channel 1)
VOUT VOUT 200mV/DIV 200mV/DIV AC-COUPLED AC-COUPLED IL IL 500mA/DIV 500mA/DIV ILOAD IOUT 500mA/DIV 500mA/DIV 3619 G20 3619 G21 20µs/DIV 20µs/DIV VIN = 5V,VOUT = 3.3V VIN = 5V, VOUT = 3.3V ILOAD = 0A TO 400mA ILOAD = 40mA TO 400mA CL = 4.7µF CL = 4.7µF 3619fa 6 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Functional Diagram Operation Applications Information Package Description Typical Application Related Parts
Typical perForMance characTerisTics TA = 25°C, VIN = 5V, unless otherwise noted. Start-Up from Shutdown Average Input Current Limit Start-Up from Shutdown (Channel 2) vs Temperature
8 VIN = 5V RUN 2V/DIV 6 ILIM = 475mA RUN 2V/DIV 4 VOUT 1V/DIV 2 VOUT RLIM 0 1V/DIV 1V/DIV ERROR (%) –2 I INLIM IL IIN 500mA/DIV 500mA/DIV –4 3619 G17 3619 G18 –6 200µs/DIV 2ms/DIV VIN = 5V, VOUT = 3.3V VIN = 5V, VOUT = 3.4V –8 RLOAD = 7Ω RL = NO LOAD, CL = 4.4mF –50 –25 0 25 50 75 100 125 CLOAD = 4.7µF CLIM = 2200pF, ILIM = 500mA TEMPERATURE (°C) 3619 G19
Load Step (Channel 1) Load Step (Channel 1)
VOUT VOUT 200mV/DIV 200mV/DIV AC-COUPLED AC-COUPLED IL IL 500mA/DIV 500mA/DIV ILOAD IOUT 500mA/DIV 500mA/DIV 3619 G20 3619 G21 20µs/DIV 20µs/DIV VIN = 5V,VOUT = 3.3V VIN = 5V, VOUT = 3.3V ILOAD = 0A TO 400mA ILOAD = 40mA TO 400mA CL = 4.7µF CL = 4.7µF 3619fa 6 Document Outline Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Functional Diagram Operation Applications Information Package Description Typical Application Related Parts