SLMA002 datasheet(38/46 Pages) TI1

Il numero della parte	SLMA002

Spiegazioni elettronici	3-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET AND EXTERNAL COMPENSATION

PDF	46 Pages

Scroll/Zoom	100%

Produttore elettronici	TI1 [Texas Instruments]

Homepage	http://www.ti.com

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Example 3: Multiphase 12 V to 5.0 V at 6 A

LOAD

– Load Current – A

100

OUT

= 5 V

TPS55383

,, TPS55386

SLUS818 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com

The combination of current mode control and a transconductance amplifier allows the TPS55386 to serve as a

single-output 2-phase supply. This configuration allows this part to serve as a 6-A non-synchronous converter at

an effective 1.2 MHz. COMP2 is connected to COMP1 and FB2 is connected to BP. While not implemented in

this example, EN2 could be used to disable Channel 2 at light load, improving efficiency.

Figure 39. Design Example 3, TPS55386 as a Phase Non-Synchronous Buck Converter

EFFICIENCY

LOAD CURRENT

Figure 40.

Figure 41. Design Example 3, Output and Switch Nodes

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Product Folder Link(s): TPS55383 TPS55386

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