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ST1PS03 Datasheet(PDF) 2 Page - STMicroelectronics

Part # ST1PS03
Description  400 mA nano-quiescent synchronous step-down converter with digital voltage selection, Power Good and load switch
PDF  25 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1PS03 Datasheet(HTML) 2 Page - STMicroelectronics

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1
Application schematic
Figure 1. ST1PS03 application schematic
Vin
EN
PGOOD
D1
D0
C1
VIN
AUX
C3
GND
VOUT
SW
R1
C4
Vcc
GPIO
Low voltage
system
D2
Vout
Vout_AUX
S T 1 P S 0 3
L1
Logic input
Vin_AUX
C2
VOUT_AUX
VIN_AUX
Logic
inputs
Logic input
Table 1. Typical external components
Component
Description
Value
Size - imperial (metric)
C1, C3
Ceramic capacitor with low ESR values
10 µF
0603 (1608)
C2, C4
Ceramic capacitor with low ESR values
L1
Inductor
2.2 µH
0806 (2016)
R1
Pull-up resistor
1 MΩ
0402 (1005)
ST1PS03
Application schematic
DS13801 - Rev 1
page 2/25



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