LTC3589 Linear Technology, LTC3589 Datasheet - Page 41

• Manufacturer Part Number: LTC3589
• Description: 8-Output Regulator
• Manufacturer: Linear Technology

APPLICATIONS INFORMATION
to select between run and standby voltages and using
minimal software overhead to set the overdrive voltage
in I
The default DAC reference levels in all xxBTVx registers
is 0x19. This accommodates i.MX processors and oth-
ers requiring an overdrive voltage. The voltage can be
increased up to 0x1F for overdrive or supply margining
above the nominal run voltage. Once programmed into the
I
selected by the VSTB pin. All voltage levels and changes
are fully controlled using the I
2
C command registers xxBTVx two voltage outputs are
2
C command registers.
2
C serial port.
OMAP3 and DaVinci Processor Support
The OMAP3 family of ARM processors has similar require-
ments to the processors described above. The LTC3589 I
control can fully accommodate the smart refl ex dynamic
voltage control with proper embedded software drivers
tailored to the LTC3589 register mapping. The LTC3589
demo board demonstrates confi guring and dynamically
slewing and sequencing the outputs using I
The same provisions can be incorporated into embed-
ded software drivers for the OMAP3 or any other target
processor.
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LTC3589
2
C control.
41
3589p
2
C