Datasheet ADP2443 (Analog Devices) - 2

FabricanteAnalog Devices
Descripción3 A, 36 V, Synchronous Step-Down DC-to-DC Regulator
Páginas / Página24 / 2 — ADP2443. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 9/2016—Revision …
Formato / tamaño de archivoPDF / 689 Kb
Idioma del documentoInglés

ADP2443. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 9/2016—Revision 0: Initial Version

ADP2443 Data Sheet TABLE OF CONTENTS REVISION HISTORY 9/2016—Revision 0: Initial Version

Línea de modelo para esta hoja de datos

Versión de texto del documento

link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 4 link to page 6 link to page 6 link to page 6 link to page 7 link to page 8 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 14 link to page 14 link to page 14 link to page 14 link to page 14 link to page 14 link to page 15 link to page 15 link to page 15 link to page 15 link to page 15 link to page 17 link to page 17 link to page 17 link to page 17 link to page 18 link to page 19 link to page 19 link to page 19 link to page 19 link to page 20 link to page 20 link to page 20 link to page 20 link to page 20 link to page 21 link to page 22 link to page 23 link to page 24 link to page 24
ADP2443 Data Sheet TABLE OF CONTENTS
Features .. 1 Applications Information .. 15 Applications ... 1 Input Capacitor Selection .. 15 Typical Application Circuit ... 1 Output Voltage Setting .. 15 General Description ... 1 Voltage Conversion Limitations ... 15 Revision History ... 2 Inductor Selection .. 15 Functional Block Diagram .. 3 Output Capacitor Selection... 17 Specifications ... 4 Programming Input Voltage UVLO .. 17 Absolute Maximum Ratings .. 6 Slope Compensation Setting ... 17 Thermal Resistance .. 6 Compensation Design ... 17 ESD Caution .. 6 ADIsimPower Design Tool ... 18 Pin Configuration and Function Descriptions ... 7 Design Example .. 19 Typical Performance Characteristics ... 8 Output Voltage Setting .. 19 Theory of Operation .. 13 Frequency Setting ... 19 Control Scheme .. 13 Inductor Selection .. 19 Precision Enable/Shutdown .. 13 Output Capacitor Selection... 20 Internal Regulator (VREG) ... 13 Slope Compensation Setting ... 20 Bootstrap Circuitry .. 13 Compensation Components ... 20 Oscillator ... 13 Soft Start Time Program ... 20 Synchronization .. 13 Input Capacitor Selection .. 20 Soft Start .. 14 Recommended External Components .. 21 Power Good ... 14 Printed Circuit Board Layout Recommendations ... 22 Peak Current-Limit and Short-Circuit Protection ... 14 Typical Applications Circuits .. 23 Overvoltage Protection (OVP) ... 14 Outline Dimensions ... 24 Undervoltage Lockout (UVLO) ... 14 Ordering Guide .. 24 Thermal Shutdown ... 14
REVISION HISTORY 9/2016—Revision 0: Initial Version
Rev. 0 | Page 2 of 24 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONTROL SCHEME PRECISION ENABLE/SHUTDOWN INTERNAL REGULATOR (VREG) BOOTSTRAP CIRCUITRY OSCILLATOR SYNCHRONIZATION SOFT START POWER GOOD PEAK CURRENT-LIMIT AND SHORT-CIRCUIT PROTECTION OVERVOLTAGE PROTECTION (OVP) UNDERVOLTAGE LOCKOUT (UVLO) THERMAL SHUTDOWN APPLICATIONS INFORMATION INPUT CAPACITOR SELECTION OUTPUT VOLTAGE SETTING VOLTAGE CONVERSION LIMITATIONS INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION PROGRAMMING INPUT VOLTAGE UVLO SLOPE COMPENSATION SETTING COMPENSATION DESIGN ADIsimPOWER DESIGN TOOL DESIGN EXAMPLE OUTPUT VOLTAGE SETTING FREQUENCY SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION SLOPE COMPENSATION SETTING COMPENSATION COMPONENTS SOFT START TIME PROGRAM INPUT CAPACITOR SELECTION RECOMMENDED EXTERNAL COMPONENTS PRINTED CIRCUIT BOARD LAYOUT RECOMMENDATIONS TYPICAL APPLICATIONS CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE