AS1329 Просмотр технического описания (PDF) - austriamicrosystems AG

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AS1329

Low Voltage, Micropower, DC-DC Step-Up Converters

austriamicrosystems AG 

AS1329

Data Sheet - Application Information

PCB Layout Guidelines

The high-speed operation of the AS1329 requires proper layout for optimum performance. Figure 21 shows the recom-

mended component layout.

! A large ground pin copper area will help to lower the device temperature.

! A multi-layer board with a separate ground plane is recommended.

! Traces carrying large currents should be direct.

! Trace area at pin FB should be as small as is practical.

! The lead-length to the battery should be as short as is practical.

Figure 21. Recommended Single-Layer Component Placement

Optional

1 SW

VIN 6

AS1329

VIN

R2 2 GND VOUT 5

CIN

3 FB SHDNN 4

SHDNN

R1

COUT

VOUT

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