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WM8311 Datasheet(PDF) 16 Page - Wolfson Microelectronics plc

Part # WM8311
Description  Processor Power Management Subsystem
PDF  302 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8311 Datasheet(HTML) 16 Page - Wolfson Microelectronics plc

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WM8311
Pre-Production
w
PP, May 2012, Rev 3.1
16
6
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Wall Input power source
WALLVDD
4.3
5.5
V
Battery Input power source
BATTVDD
2.7
5.5
V
USB Input power source
USBVDD
4.3
5.5
V
Digital buffer supply
DBVDD1, DBVDD2
1.71
3.6
V
Touch Panel supply
(see note 1)
TPVDD
1.71
2.5
3.6
V
OTP Programming Supply
(see note 2)
PROGVDD
6.25
6.5
6.75
V
LDO12VOUT
3.3
V
Ground
GND, DC1GND, DC2GND,
DC3GND, DC4GND, DBGND,
TPGND, XOSCGND,
REFGND
0
V
Notes:
1.
When the Touch Panel Controller is enabled, then TPVDD must be connected to LDO13VOUT (2.5V). The min/max TPVDD
conditions noted above do not apply when the Touch Panel Controller is enabled. (Note that, when the Touch Panel is not
enabled, TPVDD is the power domain for GPIO pins 13-16.)
2.
The OTP Programming Supply PROGVDD should only be present when programming the OTP. At other times, this pin should
be left unconnected. The LDO12VOUT must be overdriven by an external supply when programming the OTP. At other times,
the voltage at this pin is driven by the internal circuits of the WM8311.



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