Datasheet ADP5138 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Quad, 1 A, 5.5 V, Synchronous Step-Down Regulators with One RF LDO Regulator |
| 页数 / 页 | 23 / 2 — ADP5138. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 8/2018—Rev. 0 to … |
| 修订版 | A |
| 文件格式/大小 | PDF / 578 Kb |
| 文件语言 | 英语 |
ADP5138. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 8/2018—Rev. 0 to Rev. A. 5/2018—Revision 0: Initial Version
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ADP5138 Data Sheet TABLE OF CONTENTS
Features .. 1 Input Overvoltage Lockout (OVLO) ... 17 Applications ... 1 Input Undervoltage Monitor (UVM) .. 17 Typical Application Circuit ... 1 Input Undervoltage Lockout (UVLO) ... 17 General Description ... 1 Output Voltage Power-Good .. 17 Table of Contents .. 2 Power-On Reset (POR) ... 18 Revision History ... 2 Soft Start and Power-Up Sequence .. 18 Functional Block Diagram .. 3 Current-Limit and Short-Circuit Protection .. 18 Specifications ... 4 Active Output Discharge ... 19 Buck Regulator Specifications .. 5 Thermal Shutdown .. 19 LDO Regulator Specifications .. 6 Applications Information .. 20 Absolute Maximum Ratings .. 7 Input Capacitor Selection .. 20 Thermal Resistance .. 7 Output Voltage Setting .. 20 ESD Caution .. 7 Inductor Selection .. 20 Pin Configuration and Function Descriptions ... 8 Output Capacitor Selection... 20 Typical Performance Characteristics ... 10 Application Circuit ... 21 Theory of Operation .. 17 Factory-Programmable Options .. 22 Control Scheme .. 17 Outline Dimensions ... 23 Precision Enable and Shutdown ... 17 Ordering Guide .. 23 Oscillator and Phase Shift ... 17 Automotive Products ... 23 Synchronization .. 17
REVISION HISTORY 8/2018—Rev. 0 to Rev. A
Change to Figure 2 ... 3
5/2018—Revision 0: Initial Version
Rev. A | Page 2 of 23 Document Outline Features Applications Typical Application Circuit General Description Revision History Functional Block Diagram Specifications Buck Regulator Specifications LDO Regulator Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme Precision Enable and Shutdown Oscillator and Phase Shift Synchronization Input Overvoltage Lockout (OVLO) Input Undervoltage Monitor (UVM) Input Undervoltage Lockout (UVLO) Output Voltage Power-Good Power-On Reset (POR) Soft Start and Power-Up Sequence Current-Limit and Short-Circuit Protection Active Output Discharge Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Inductor Selection Output Capacitor Selection Application Circuit Factory-Programmable Options Outline Dimensions Ordering Guide Automotive Products
ADP5138 Data Sheet TABLE OF CONTENTS
Features .. 1 Input Overvoltage Lockout (OVLO) ... 17 Applications ... 1 Input Undervoltage Monitor (UVM) .. 17 Typical Application Circuit ... 1 Input Undervoltage Lockout (UVLO) ... 17 General Description ... 1 Output Voltage Power-Good .. 17 Table of Contents .. 2 Power-On Reset (POR) ... 18 Revision History ... 2 Soft Start and Power-Up Sequence .. 18 Functional Block Diagram .. 3 Current-Limit and Short-Circuit Protection .. 18 Specifications ... 4 Active Output Discharge ... 19 Buck Regulator Specifications .. 5 Thermal Shutdown .. 19 LDO Regulator Specifications .. 6 Applications Information .. 20 Absolute Maximum Ratings .. 7 Input Capacitor Selection .. 20 Thermal Resistance .. 7 Output Voltage Setting .. 20 ESD Caution .. 7 Inductor Selection .. 20 Pin Configuration and Function Descriptions ... 8 Output Capacitor Selection... 20 Typical Performance Characteristics ... 10 Application Circuit ... 21 Theory of Operation .. 17 Factory-Programmable Options .. 22 Control Scheme .. 17 Outline Dimensions ... 23 Precision Enable and Shutdown ... 17 Ordering Guide .. 23 Oscillator and Phase Shift ... 17 Automotive Products ... 23 Synchronization .. 17
REVISION HISTORY 8/2018—Rev. 0 to Rev. A
Change to Figure 2 ... 3
5/2018—Revision 0: Initial Version
Rev. A | Page 2 of 23 Document Outline Features Applications Typical Application Circuit General Description Revision History Functional Block Diagram Specifications Buck Regulator Specifications LDO Regulator Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme Precision Enable and Shutdown Oscillator and Phase Shift Synchronization Input Overvoltage Lockout (OVLO) Input Undervoltage Monitor (UVM) Input Undervoltage Lockout (UVLO) Output Voltage Power-Good Power-On Reset (POR) Soft Start and Power-Up Sequence Current-Limit and Short-Circuit Protection Active Output Discharge Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Inductor Selection Output Capacitor Selection Application Circuit Factory-Programmable Options Outline Dimensions Ordering Guide Automotive Products