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ADP5034-1-EVALZ Arkusz danych(PDF) 2 Page - Analog Devices

Numer części ADP5034-1-EVALZ
Szczegółowy opis  Dual 3 MHz, 1200 mA Buck Regulators with Two 300 mA LDOs
Download  28 Pages
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Producent  AD [Analog Devices]
Strona internetowa  http://www.analog.com
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ADP5034-1-EVALZ Arkusz danych(HTML) 2 Page - Analog Devices

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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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