Data Sheet

LT8210-1

analog.com

Rev. A

4 of 59

Frequency Synchronization................................................................................................................................................................39

Spread-Spectrum Frequency Modulation.........................................................................................................................................40

Power MOSFET Selection ...................................................................................................................................................................41

Switch A:..........................................................................................................................................................................................42

Switch B:..........................................................................................................................................................................................42

Switch C:..........................................................................................................................................................................................43

Switch D:..........................................................................................................................................................................................43

CIN and COUT Selection..........................................................................................................................................................................44

Bootstrap Capacitors (CBST1 and CBST2)................................................................................................................................................45

Bootstrap Diodes (DBST1 and DBST2)......................................................................................................................................................46

EXTVCC, GATEVCC, and VDD.....................................................................................................................................................................46

Programming Output Voltage ............................................................................................................................................................47

Programming Current Limit ...............................................................................................................................................................48

Multiphase Current Component Selection........................................................................................................................................48

Programming VIN UVLO .......................................................................................................................................................................49

Soft-Start .............................................................................................................................................................................................50

Loop Compensation............................................................................................................................................................................51

Optional DG MOSFET Selection..........................................................................................................................................................52

Component Optimization for Pass-Thru Operation .........................................................................................................................52

Efficiency Considerations ...................................................................................................................................................................53

PC Board Layout Checklist .................................................................................................................................................................54

Typical Applications ................................................................................................................................................................................56

Outline Dimensions .................................................................................................................................................................................57

Ordering Guide.........................................................................................................................................................................................58

Related Parts............................................................................................................................................................................................58