Datasheet ADP5134 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Dual 3 MHz, 1200 mA Buck Regulators and Two 300 mA LDO Regulators With Precision Enable and Power-Good Output |
| Seiten / Seite | 28 / 2 — ADP5134. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/13—Revision … |
| Revision | A |
| Dateiformat / Größe | PDF / 801 Kb |
| Dokumentensprache | Englisch |
ADP5134. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/13—Revision 0: Initial Version
Textversion des Dokuments
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 3 link to page 4 link to page 4 link to page 5 link to page 6 link to page 6 link to page 6 link to page 7 link to page 8 link to page 15 link to page 15 link to page 17 link to page 18 link to page 19 link to page 19 link to page 20 link to page 22 link to page 22 link to page 23 link to page 24 link to page 25 link to page 26 link to page 27 link to page 27
ADP5134 Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 15 Applications ... 1 Power Management Unit ... 15 Typical Application Circuit ... 1 BUCK1 and BUCK2 .. 17 General Description ... 1 LDO1 and LDO2 .. 18 Revision History ... 2 Applications Information .. 19 Specifications ... 3 Buck Regulator External Component Selection .. 19 General Specifications ... 3 LDO Regulator External Component Selection .. 20 BUCK1 and BUCK2 Specifications ... 4 Power Dissipation and Thermal Considerations ... 22 LDO1 and LDO2 Specifications ... 4 Buck Regulator Power Dissipation .. 22 Input and Output Capacitor, Recommended Specifications .. 5 Junction Temperature .. 23 Absolute Maximum Ratings .. 6 PCB Layout Guidelines .. 24 Thermal Resistance .. 6 Typical Application Schematics .. 25 ESD Caution .. 6 Bill of Materials ... 26 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 27 Typical Performance Characteristics ... 8 Ordering Guide .. 27
REVISION HISTORY 10/13—Revision 0: Initial Version
Rev. 0 | Page 2 of 28 Document Outline Features Applications Typical Application Circuit General Description Table of Contents Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO1 and LDO2 Specifications Input and Output Capacitor, Recommended Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Management Unit Power-Good Output Thermal Protection Undervoltage Lockout Precision Enable and Shutdown Control BUCK1 and BUCK2 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator and Phasing of Inductor Switching Short-Circuit Protection Buck Regulator Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors LDO1 and LDO2 LDO Regulator Soft Start Applications Information Buck Regulator External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor LDO Regulator External Component Selection Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Power Dissipation and Thermal Considerations Buck Regulator Power Dissipation LDO Regulator Power Dissipation Junction Temperature PCB Layout Guidelines Typical Application Schematics Bill of Materials Outline Dimensions Ordering Guide
ADP5134 Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 15 Applications ... 1 Power Management Unit ... 15 Typical Application Circuit ... 1 BUCK1 and BUCK2 .. 17 General Description ... 1 LDO1 and LDO2 .. 18 Revision History ... 2 Applications Information .. 19 Specifications ... 3 Buck Regulator External Component Selection .. 19 General Specifications ... 3 LDO Regulator External Component Selection .. 20 BUCK1 and BUCK2 Specifications ... 4 Power Dissipation and Thermal Considerations ... 22 LDO1 and LDO2 Specifications ... 4 Buck Regulator Power Dissipation .. 22 Input and Output Capacitor, Recommended Specifications .. 5 Junction Temperature .. 23 Absolute Maximum Ratings .. 6 PCB Layout Guidelines .. 24 Thermal Resistance .. 6 Typical Application Schematics .. 25 ESD Caution .. 6 Bill of Materials ... 26 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 27 Typical Performance Characteristics ... 8 Ordering Guide .. 27
REVISION HISTORY 10/13—Revision 0: Initial Version
Rev. 0 | Page 2 of 28 Document Outline Features Applications Typical Application Circuit General Description Table of Contents Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO1 and LDO2 Specifications Input and Output Capacitor, Recommended Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Management Unit Power-Good Output Thermal Protection Undervoltage Lockout Precision Enable and Shutdown Control BUCK1 and BUCK2 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator and Phasing of Inductor Switching Short-Circuit Protection Buck Regulator Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors LDO1 and LDO2 LDO Regulator Soft Start Applications Information Buck Regulator External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor LDO Regulator External Component Selection Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties Power Dissipation and Thermal Considerations Buck Regulator Power Dissipation LDO Regulator Power Dissipation Junction Temperature PCB Layout Guidelines Typical Application Schematics Bill of Materials Outline Dimensions Ordering Guide