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DPA424 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Highly Integrated DC-DC Converter ICs - Power Integrations

भाग संख्या DPA424
समारोह Highly Integrated DC-DC Converter ICs
मैन्युफैक्चरर्स Power Integrations 
लोगो Power Integrations लोगो 
पूर्व दर्शन
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<?=DPA424?> डेटा पत्रक पीडीएफ

DPA424 pdf
DPA422-426
Section List
Functional Block Diagram ........................................................................................................................................ 3
Pin Functional Description ....................................................................................................................................... 3
DPA-Switch Family Functional Description ............................................................................................................. 4
CONTROL (C) Pin Operation..................................................................................................................................... 4
Oscillator and Switching Frequency........................................................................................................................... 5
Pulse Width Modulator & Maximum Duty Cycle......................................................................................................... 5
Minimum Duty Cycle and Cycle Skipping.................................................................................................................. 6
Error Amplifier........................................................................................................................................................... 6
On-chip Current Limit with External Programmability................................................................................................. 6
Line Undervoltage Detection (UV).............................................................................................................................. 6
Line Overvoltage Shutdown (OV)............................................................................................................................... 6
LRienme oFteeedO-NFo/OrwFFar..d...w...it..h..D...C..M..A..X..R..e..d..u..c..t.i.o..n...................................................................................................................................................................................................................................
6
7
Synchronization......................................................................................................................................................... 7
Soft-Start.................................................................................................................................................................. 8
Shutdown/Auto-Restart............................................................................................................................................ 8
Hysteretic Over-Temperature Protection.................................................................................................................... 8
Bandgap Reference.................................................................................................................................................. 8
High-Voltage Bias Current Source............................................................................................................................. 8
Using Feature Pins ...................................................................................................................................................... 8
FREQUENCY (F) Pin Operation................................................................................................................................. 8
LINE-SENSE (L) Pin Operation.................................................................................................................................. 9
EXTERNAL CURRENT LIMIT (X) Pin Operation.......................................................................................................... 9
Typical Uses of FREQUENCY (F) Pin ....................................................................................................................... 11
Typical Uses of LINE-SENSE (L) and EXTERNAL CURRENT LIMIT (X) Pins ........................................................ 11
Application Examples ............................................................................................................................................... 14
Key Application Considerations ............................................................................................................................... 16
DPA-Switch Design Considerations......................................................................................................................... 16
DPA-Switch Layout Considerations......................................................................................................................... 18
Quick Design Checklist........................................................................................................................................... 19
Design Tools........................................................................................................................................................... 19
Product Specifications and Test Conditions ......................................................................................................... 20
Typical Performance Characteristics ................................................................................................................... 27
Package Outlines ..................................................................................................................................................... 31
Part Ordering Information ....................................................................................................................................... 32
2
Rev. U 06/15
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डाउनलोड[ DPA424 Datasheet.PDF ]


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DPA422Highly Integrated DC-DC Converter ICsPower Integrations
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