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AS1346 Fiches technique(PDF) 9 Page - ams AG

No de pièce AS1346
Description  Dual Step-Down Converter with Battery Monitoring
PDF  16 Pages
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Fabricant  AMSCO [ams AG]
Site Internet  http://www.ams.com
Logo AMSCO - ams AG

AS1346 Fiches technique(HTML) 9 Page - ams AG

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Revision 1.10
9 - 16
AS1346-49
Datasheet - Detailed Description
8 Detailed Description
The AS1346, AS1347, AS1348, AS1349 family is a high-efficiency buck converter that uses a constant-frequency current-mode architecture.
The device contains two internal MOSFET switches and is available with a fixed output voltage (see Ordering Information on page 15).
Figure 17. AS1346 - Block Diagram
Mosfet
Control
Logic
Shutdown
Control
Main Control
Soft Start
Current
Sense
PVIN
VDD
FB1
EN1
SW1
AGND
AS1346
Mosfet
Control
Logic
Soft Start
Oscillator
Current
Sense
FB2
EN2
PVIN
VDD
SW2
LBO
LBI
Power-OK
Compare
Logic
PGND



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