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STW41413/T Datasheet(PDF) 20 Page - STMicroelectronics

Part # STW41413/T
Description  Single-coil dual-output step-down DC/DC converter for digital base band and multimedia processor supply
PDF  31 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STW41413/T Datasheet(HTML) 20 Page - STMicroelectronics

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STw4141
Application information
19/30
4
Application information
4.1
User mode details
The following table describes the different user modes available. Depending on the
application constraints (processor I/O pins available) and expected efficiency, PWM or PFM
mode are forced or automatically controlled by STw4141 internal digital gates.
Table 6.
STw4141 available user modes
Mode
User mode/pins
EN
AUTO
MODE/SYNC
OFF
Shutdown
L
X
X
FORCED
Forced PFM
H
L
L
Forced PWM
H
L
H
Forced PWM and synchronized external
clock
H
L
CLK
AUTO
Auto mode
H
H
L
Forced PWM
H
H
H
Forced PWM and synchronized external
clock
H
H
CLK
Table 7.
Operating mode information (STATE pin - digital output)
Operation mode
State pin voltage level
PFM
VOUT1
PWM
GND



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