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MMPF0100NPEP 데이터시트(PDF) 26 Page - Freescale Semiconductor, Inc

부품명 MMPF0100NPEP
상세설명  Four to six buck converters, depending on configuration
PDF  137 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MMPF0100NPEP 데이터시트(HTML) 26 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
26
Freescale Semiconductor
PF0100
Functional Block Requirements and Behaviors
Bias and References Block Description
Figure 7. VREFDDR Block Diagram
6.3.2.1
VREFDDR Control Register
The VREFDDR voltage reference is controlled by a single bit in VREFDDCRTL register in Table 18.
External Components
Table 18. Register VREFDDCRTL - ADDR 0x6A
Name
Bit #
R/W
Default
Description
UNUSED
3:0
–
0x00
UNUSED
VREFDDREN
4
R/W
0x00
Enable or disables VREFDDR output voltage
0 = VREFDDR Disabled
1 = VREFDDR Enabled
UNUSED
7:5
–
0x00
UNUSED
Table 19. VREFDDR External Components(28)
Capacitor
Capacitance (
F)
VINREFDDR(29) to VHALF
0.1
VHALF to GND
0.1
VREFDDR
1.0
Notes
28.
Use X5R or X7R capacitors.
29.
VINREFDDR to GND, 1.0
F minimum
capacitance is provided by buck regulator output.
VINREFDDR
VREFDDR
VINREFDDR
CHALF1
Discharge
+
_
VHALF
VREFDDR
CHALF2
100 nf
100 nf
CREFDDR
1.0 uf



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