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STMPE1208S Datasheet(PDF) 13 Page - STMicroelectronics

Part # STMPE1208S
Description  Xpander Logic with 12-channel touchkey
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMPE1208S Datasheet(HTML) 13 Page - STMicroelectronics

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STMPE1208S
Power schemes
13/51
4
Power schemes
The STMPE1208S can be powered by a 2.5 V supply directly, or 3.0 - 5.5 V supply through
the internal voltage regulator.
Figure 6.
Power using the internal regulator
1.
REG_DISABLE bit in CTRL_2 register = 0
Figure 7.
Power bypassing the internal regulator
1.
REG_DISABLE bit in CTRL_2 register = 1
STMPE1208S
VPH
VREG
V25
GND
3 - 5.5V
2.2uF
CS00041
STMPE1208S
VPH
VREG
V25
GND
3 - 5.5V
CS00042
2.25 - 2.75V
NC



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