Datasheet ADP5023 (Analog Devices) - 2

ManufacturerAnalog Devices
DescriptionDual 3 MHz, 800 mA Buck Regulator with One 300 mA LDO
Pages / Page28 / 2 — ADP5023. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 8/2020—Rev. E …
RevisionF
File Format / SizePDF / 773 Kb
Document LanguageEnglish

ADP5023. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 8/2020—Rev. E to Rev. F. 8/2019—Rev. D to Rev. E. 7/2013—Rev. C to Rev. D

ADP5023 Data Sheet TABLE OF CONTENTS REVISION HISTORY 8/2020—Rev E to Rev F 8/2019—Rev D to Rev E 7/2013—Rev C to Rev D

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ADP5023 Data Sheet TABLE OF CONTENTS
Features .. 1  Theory of Operation .. 15  Applications .. 1  Power Management Unit .. 15  General Description ... 1  BUCK1 and BUCK2 .. 17  Typical Application Circuit .. 1  LDO .. 18  Revision History ... 2  Applications Information ... 19  Specifications .. 3  Buck External Component Selection .. 19  General Specifications ... 3  LDO External Component Selection .. 21  BUCK1 and BUCK2 Specifications ... 4  Power Dissipation and Thermal Considerations .. 22  LDO Specifications .. 5  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 8/2020—Rev. E to Rev. F
Changes to Figure 6 to Figure 8 .. 8 Changes to Current Limit Parameter, Table 3 ... 4 Changes to Figure 30 and Figure 31 .. 12 Change to Table 9 ... 19 Changes to Figure 34 and Figure 38 Caption ... 13 Changes to Undervoltage Lockout Section .. 16
8/2019—Rev. D to Rev. E
Moved Power Dissipation and Thermal Consideration Section .. 22 Changes to FB3 Pin Description .. 7 Changes to Buck Regulator Power Dissipation Section ... 22
7/2013—Rev. C to Rev. D
Updated Outline Dimensions .. 27 Added Table 1; Renumbered Sequentially .. 1
1/2012—Rev. 0 to Rev. A
Changes to Figure 1 .. 1 Changes to Features Section .. 1 Changes to NC Pin Description ... 7 Changes to Table 2 .. 4 Changes to Figure 48 ... 18 Changes to Table 3 and Table 4 .. 5 Changes to Figure 50 ... 20 Changes to Table 5 .. 6 Changes to Figure 52 and Figure 53 .. 25 Changes to Table 7 .. 7
1/2013—Rev. B to Rev. C
Changes to Figure 34 ... 13 Changes to Buck Regulator Power Dissipation Section ... 15 Changes to Figure 9 .. 10 Changes to Undervoltage Lockout Section .. 18 Changes to Ordering Guide .. 28 Changes to LDO Section and Figure 48 .. 20
9/2012—Rev. A to Rev. B
Changes to Table 9 ... 22 Changes to Feature Section ... 1 Changes to Figure 52 ... 25 Changes to BUCK Output Voltage Accuracy Parameter and Changes to Ordering Guide .. 27 Voltage Feedback Parameter, Table 2 ... 4
8/2011—Revision 0: Initial Version
Changes to LDO Output Voltage Accuracy Parameter and Voltage Feedback Parameter, Table 3 ... 5 Rev. F | Page 2 of 28 Document Outline Features Applications General Description Typical Application Circuit Table of Contents Revision History Specifications General Specifications BUCK1 and BUCK2 Specifications LDO 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 Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK1 and BUCK2 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Soft Start Current Limit 100% Duty Operation Active Pull-Downs LDO Applications Information Buck External Component Selection Feedback Resistors Inductor Output Capacitor Input Capacitor LDO 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