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TPS40140 Datasheet(PDF) 26 Page - Texas Instruments |
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TPS40140 Datasheet(HTML) 26 Page - Texas Instruments |
26 / 68 page CLKIO PHSEL 20 A SLAVE2 CLKIO PHSEL TPS40140 R2 R1 TPS40140MASTER SLAVE1 CLKIO PHSEL TPS40140 SLAVE5 CLKIO PHSEL TPS40140 SLAVE4 CLKIO PHSEL TPS40140 SLAVE3 CLKIO PHSEL TPS40140 ILIM2 ILIM2 ILIM2 BP5 10 k TPS40140 SLUS660I – SEPTEMBER 2005 – REVISED JANUARY 2015 www.ti.com Figure 24. Master Controller and Five Slave Controllers, 12-Phases In this configuration, the master senses that there are two slave controllers (due to the 2 resistors) and distributes a six-phase CLKIO signal. Slave1 and slave2 are turned on at 60° and 120° respectively, as before with two slaves. However, to get twelve phases with a six-phase clock, both edges of the CLKIO signal are used to control the slaves. With the ILIM2 tied high on slave3,slave4, and slave5, they turn on at the rising edge of CLKIO while the master and slave1 and slave2 turn on at the falling edge of CLKIO. If four slaves are desired, just delete one of the slaves from Figure 24. The interleaving is not perfect because there is be 30° between the master and three slaves. The deleted slave causes 60° between the two adjacent slaves. See Figure 26 for phasing details. 26 Submit Documentation Feedback Copyright © 2005–2015, Texas Instruments Incorporated Product Folder Links: TPS40140 |
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