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MMPF0100NPEP датащи(PDF) 100 Page - Freescale Semiconductor, Inc

номер детали MMPF0100NPEP
подробное описание детали  Four to six buck converters, depending on configuration
PDF  137 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MMPF0100NPEP датащи(HTML) 100 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
100
Freescale Semiconductor
PF0100
Functional Block Requirements and Behaviors
Power Generation
Figure 26. VSNVS Supply Switch Architecture
Table 106 provides a summary of the VSNVS operation at different input voltage VIN and with or without coin cell connected to
the system.
VSNVS Control
The VSNVS output level is configured through the VSNVSVOLT[2:0]bits on VSNVSCTL register as shown in table Table 107.
VSNVS External Components
Table 106. VSNVS Modes of Operation
VSNVSVOLT[2:0]
VIN
MODE
110
> VTH1
VIN LDO 3.0 V
110
< VTL1
Coin cell switch
000 – 101
> VTH0
VIN LDO
000 – 101
< VTL0
Coin cell LDO
Table 107. Register VSNVSCTL - ADDR 0x6B
Name
Bit #
R/W
Default
Description
VSNVSVOLT
2:0
R/W
0x80
Configures VSNVS output voltage.(68)
000 = 1.0 V
001 = 1.1 V
010 = 1.2 V
011 = 1.3 V
100 = 1.5 V
101 = 1.8 V
110 = 3.0 V
111 = RSVD
UNUSED
7:3
–
0x00
UNUSED
Notes
68.
Only valid when a valid input voltage is present.
Table 108. VSNVS External Components
Capacitor
Value (
F)
VSNVS
0.47
LDO\
PF0100
VSNVS
Coin Cell
1.8 - 3.3 V
VIN
2.25 V (VTL0) -
4.5 V
LICELL
Charger
LDO/SWITCH
VREF
+
_
Z
Input
Sense/
Selector
I
2C Interface



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