Datasheet LTC3534 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 7V, 500mA Synchronous Buck-Boost DC/DC Converter |
| Páginas / Página | 20 / 6 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| Formato / tamaño de archivo | PDF / 468 Kb |
| Idioma del documento | Inglés |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Load Transient Response in Fixed
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LTC3534
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Load Transient Response in Fixed Frequency Mode, No-Load to V 300mA OUT Ripple at 300mA Load
VIN = 5V VOUT = 100mV/DIV VIN = 3.6V VIN = 6.4V ILOAD = 100mA/DIV 1µs/DIV 3534 G17 100µs/DIV 3534 G18 VOUT = 5V, AC-COUPLED VIN = VOUT = 5V 20mV/DIV ILOAD = 0 TO 300mA COUT = 22µF COUT = 22µF ILOAD = 300mA X5R CERAMIC
Transition from Burst Mode Burst Mode Operation VOUT Operation to Fixed Frequency Ripple at 25mA Load Mode
VOUT = 50mV/DIV VOUT = 50mV/DIV INDUCTOR CURRENT = 200mA/DIV PWM = 2V/DIV 10µs/DIV 3534 G19 100µs/DIV 3534 G20 VIN = VOUT = 5V VIN = VOUT = 5V COUT = 22µF ILOAD = 25mA X5R CERAMIC COUT = 22µF X5R CERAMIC
VOUT Start-Up
VOUT = 2V/DIV RUN/SS = 1V/DIV (STARTS AT 1V) INDUCTOR CURRENT = 500mA/DIV PWM OPERATION MUST BE COMMANDED 500µs/DIV 3534 G21 ILOAD = 100mA 3534fb 6 For more information www.linear.com/LTC3534 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Load Transient Response in Fixed Frequency Mode, No-Load to V 300mA OUT Ripple at 300mA Load
VIN = 5V VOUT = 100mV/DIV VIN = 3.6V VIN = 6.4V ILOAD = 100mA/DIV 1µs/DIV 3534 G17 100µs/DIV 3534 G18 VOUT = 5V, AC-COUPLED VIN = VOUT = 5V 20mV/DIV ILOAD = 0 TO 300mA COUT = 22µF COUT = 22µF ILOAD = 300mA X5R CERAMIC
Transition from Burst Mode Burst Mode Operation VOUT Operation to Fixed Frequency Ripple at 25mA Load Mode
VOUT = 50mV/DIV VOUT = 50mV/DIV INDUCTOR CURRENT = 200mA/DIV PWM = 2V/DIV 10µs/DIV 3534 G19 100µs/DIV 3534 G20 VIN = VOUT = 5V VIN = VOUT = 5V COUT = 22µF ILOAD = 25mA X5R CERAMIC COUT = 22µF X5R CERAMIC
VOUT Start-Up
VOUT = 2V/DIV RUN/SS = 1V/DIV (STARTS AT 1V) INDUCTOR CURRENT = 500mA/DIV PWM OPERATION MUST BE COMMANDED 500µs/DIV 3534 G21 ILOAD = 100mA 3534fb 6 For more information www.linear.com/LTC3534 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Related Parts