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ADP5034-1-EVALZ Arkusz danych(PDF) 2 Page - Analog Devices |
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ADP5034-1-EVALZ Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 28 page ADP5034 Data Sheet Rev. A | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Typical Application Circuit ............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 General Specifications ................................................................. 3 BUCK1 and BUCK2 Specifications ........................................... 4 LDO1 and LDO2 Specifications................................................. 4 Input and Output Capacitor, Recommended Specifications.. 5 Absolute Maximum Ratings............................................................ 6 Thermal Resistance ...................................................................... 6 ESD Caution.................................................................................. 6 Pin Configuration and Function Descriptions............................. 7 Typical Performance Characteristics ............................................. 8 Theory of Operation ...................................................................... 15 Power Management Unit........................................................... 15 BUCK1 and BUCK2 .................................................................. 17 LDO1 and LDO2........................................................................ 18 Applications Information .............................................................. 19 Buck External Component Selection....................................... 19 LDO External Component Selection ...................................... 21 Power Dissipation and Thermal Considerations ....................... 22 Buck Regulator Power Dissipation .......................................... 22 Junction Temperature ................................................................ 23 PCB Layout Guidelines.................................................................. 24 Typical Application Schematics.................................................... 25 Bill of Materials........................................................................... 25 Outline Dimensions ....................................................................... 26 Ordering Guide .......................................................................... 26 REVISION HISTORY 10/11—Rev. 0 to Rev. A Change to Features Section ............................................................. 1 Changes to General Description Section ...................................... 1 Changes to Figure 1.......................................................................... 1 Change to Table 1, Low UVLO Input Voltage Falling Parameter, Symbol Column ................................................................................ 3 Change to Table 2, Output Voltage Accuracy Parameter, Test Conditions/Comment Column ...................................................... 4 Change to Table 2, Line Regulation Parameter, Symbols Column .............................................................................................. 4 Change to Table 2, Load Regulation Parameter, Symbols Column .............................................................................................. 4 Changes to Table 2, Reversed the RPFET and RNFET Symbols for the SW On Resistance Parameter and Changes to Typ and Max Columns............................................................................................. 4 Changes to Table 3, Output Accuracy Parameter, Test Conditions/Comments Column..................................................... 4 Changes to Table 3, Line Regulation Parameter, Symbols Column and Test Conditions/Comments Column ..................... 4 Change to Table 3, Changes to Dropout Voltage Parameter and Added Specification to Dropout Voltage Parameter.................... 5 Change to Table 3, Endnote 3 ......................................................... 5 Change to Table 4, BUCK1, BUCK2 Output Capacitor Parameter, Min Column Value ....................................................... 5 Change to Table 4, Endnote 1 ..........................................................5 Changes to Absolute Maximum Ratings, Table 5 .........................6 Changes to Table 7, Pin Function Descriptions ............................7 Changes to TPC Section...................................................................8 Moved Power Dissipation and Thermal Considerations Section.............................................................................................. 22 Change to Equation 5 Where Statement ..................................... 22 Change to Equation 6..................................................................... 22 Change to Undervoltage Lockout Section .................................. 16 Changes to Figure 46...................................................................... 16 Change to Figure 47 ....................................................................... 17 Changes to LDO1/LDO2 Section ................................................ 18 Changes to Output Capacitor Section and Table 8 .................... 19 Change to VRIPPLE Equation, Table 9, and Figure 50................... 20 Changes to Input and Output Capacitor Properties Section.... 21 Changes to Equation 3 ................................................................... 22 Changes to Junction Temperature Section.................................. 23 Changes to LDO Regulator Power Dissipation Section............ 23 Changes to Figure 52 and Figure 53............................................. 25 Moved Bill of Materials Section.................................................... 25 Changes to Ordering Guide .......................................................... 26 6/11—Revision 0: Initial Version |
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