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DLPC900AZPC Datasheet(Hoja de datos) 60 Page - Texas Instruments

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No. de Pieza. DLPC900AZPC
Descripción  DLPC900 Digital Controller for Advanced Light Control
Descarga  83 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 60 page
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DLPC900
Regulator
Vout
1.15V
DC
GND
Regulator
Vout
1.8V
Regulator
Vout
3.3V
PWRGOOD
POSENSE
Voltage
Monitors
Filter
Filter
PWRGOOD
POSENSE
1.15V Core & eDRAM I/O
1.15V PLLs
1.8V PLLs
1.8V DMD I/O & eDRAM
3.3V
Regulator
Vout
1.8V
60
DLPC900
DLPS037D – OCTOBER 2014 – REVISED MARCH 2019
www.ti.com
Product Folder Links: DLPC900
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Copyright © 2014–2019, Texas Instruments Incorporated
9 Power Supply Recommendations
9.1 System Power Regulation
The PLLD_VAD, PLLM1_VAD, and PLLM2_VAD power feeding internal PLLs must be derived from an isolated
linear regulator with filter as recommended in PCB Layout Guidelines for Internal Controller PLL Power to
minimize the AC noise component.
It is acceptable to derive PLLD_VDD, PLLM1_VDD, PLLM2_VDD, and PLLS_VAD from the same regulator as
the core VDDC, but they should be filtered as recommended in the PCB Layout Guidelines for Internal Controller
PLL Power.
Figure 35. Power Regulation
9.1.1 Power Distribution System
9.1.1.1 1.15-V System Power
The DLPC900 can support a low-cost power delivery system with a single 1.15-V power source derived from a
switching regulator. The main core should receive 1.15 V power directly from the regulator output, and the
internal DLPC900 PLLs (PLLD_VDD, PLLM1_VDD, PLLM2_VDD, and PLLS_VAD) should receive individually
filtered versions of this 1.15 V power. For specific filter recommendations, refer to the PCB Layout Guidelines for
Internal Controller PLL Power.




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