L6983 datasheet(59/63 Pages) STMICROELECTRONICS

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8.2

External synchronization (available for low noise mode only) ......................... 29

8.3

Output voltage adjustment ...................................................... 30

8.4

Switching frequency ........................................................... 31

8.5

Design of the power components ................................................ 31

8.5.1

Input capacitor selection .................................................. 31

8.5.2

Inductor selection ....................................................... 32

8.5.3

Output capacitor selection................................................. 33

Application board.................................................................34

Efficiency curves .................................................................37

Thermal dissipation...............................................................51

Package information..............................................................53

12.1

DFN6 (3x3) package information ................................................ 54

Ordering information .............................................................56

Revision history .......................................................................57

L6983

Contents

DS13116 - Rev 1

page 59/63

L6983 数据表(PDF) 59 Page - STMicroelectronics