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MMPF0100 Datasheet(PDF) 43 Page - Freescale Semiconductor, Inc

Part # MMPF0100
Description  14 Channel Configurable Power Management Integrated Circuit
PDF  136 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MMPF0100 Datasheet(HTML) 43 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
43
PF0100
Functional Block Requirements and Behaviors
Power Generation
SW1A/B Dual Phase - SW1C Independent Mode
In this mode, SW1A/B is connected in dual phase mode using one inductor per switching node, while SW1C is used as an
independent output using its own inductor and configuration parameters. This mode provides a smaller output voltage ripple on
the SW1A/B output. As mentioned before, SW1A/B and SW1C operate independently from one another, thus, they can be
operated with a different voltage set point for Normal, Standby, and Sleep modes, as well as switching mode selection and on/
off control. Figure 12 shows the physical connection for SW1A/B in dual phase and SW1C as an independent output.
VIN
Driver
Controller
EA
Z1
Z2
Internal
Compensation
SW1AIN
SW1ALX
SW1FB
ISENSE
COSW1A
CINSW1A
LSW1A
I2C
Interface
GNDSW1A
SW1AB
SW1AMODE
SW1AFAULT
VREF
DAC
I2C
Driver
Controller
SW1BIN
SW1BLX
ISENSE
COSW1B
CINSW1B
LSW1B
GNDSW1B
SW1BMODE
SW1BFAULT
VIN
Driver
Controller
EA
Z1
Z2
Internal
Compensation
SW1CIN
SW1CLX
SW1CFB
ISENSE
COSW1C
CINSW1C
LSW1C
GNDSW1C
SW1C
SW1CMODE
SW1CFAULT
VREF
DAC
I2C
VIN
Figure 12. SW1A/B Dual Phase, SW1C Independent Mode Block Diagram
In this mode of operation, SW1ALX and SW1BLX nodes operate automatically at 180 ° phase shift from each other and use the
same frequency and DVS configured by SW1ABCONF register, while SW1CLX node operate independently using the
configuration in the SW1CCONF register.



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