AS1333 データシートの表示（PDF） - austriamicrosystems AG
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AS1333 Datasheet PDF : 16 Pages
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AS1333
Data Sheet - Pin Assignments
4 Pin Assignments
Figure 2. Pin Configuration
Top View
SW
PVIN A1
A2 A3 PGND
VDD B1
B3 AGND
EN C1
C2 C3 FB
NC
Bottom View
SW
PGND A3 A2 A1 PVIN
AGND B3
B1 VDD
FB C3
C2 C1 EN
NC
Pin Descriptions
Table 1. Pin Descriptions
Pin Name
PVIN
VDD
EN
NC
FB
AGND
PGND
SW
Pin Number
A1
B1
C1
C2
C3
B3
A3
A2
Description
+2.7V to +5.5V Power Supply Voltage. Input to the internal PFET switch.
Note: for guaranteed VOUT = 3.09V set VIN = 3.25V to 5.5V;
+2.7V to +5.5V Power Supply Voltage. Analog Supply Input.
Note: for guaranteed VOUT = 3.09V set VIN = 3.25V to 5.5V;
Enable Input. Set this digital input high for normal operation. For shutdown,
set low.
May be connected to VDD, SGND or floating.
Feedback Pin. Connect to the output at the output filter capacitor.
Analog and Control Ground.
Power Ground.
Switch Pin. Switch node connection to the internal PFET switch and NFET
synchronous rectifier. Connect to an inductor with a saturation current rating
that exceeds the maximum switch peak current limit specification of the
AS1333.
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Revision 1.02
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