SLMA002 datasheet(44/55 Pages) TI1

Part #	SLMA002

Description	2-A DUAL NON-SYNCHRONOUS CONVERTER WITH INTEGRATED HIGH-SIDE MOSFET

PDF	55 Pages

Scroll/Zoom	100%

Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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Example 3: 5-V to 3.3V and 5-V to 1.2 V

1 k

10 k

100 k

300 k

-180

-90

-45

-135

180

135

f - Frequency -Hz

-80

-20

-60

-40

OUT

= 1.2 V

Gain

Phase

WIth Lead

Without Lead

1.0

1.5

2.0

2.5

0.5

OUT

- Load Current - A

100

= 5.0 V

OUT

(V)

1.2

3.3

OUT

= 1.2 V

OUT

= 3.3 V

TPS54283,, TPS54286

SLUS749C – JULY 2007 – REVISED OCTOBER 2007

For a low input voltage application, the TPS54286 is selected for reduced size and all ceramic output capacitors

are used. 22-

µF input capacitors are selected to reduce input ripple and lead capacitors are placed in the

feedback to boost phase margin.

Figure 49. 5-V to 3.3V and 5-V to 1.2 V

Figure 50. Efficiency vs. Load Current

Figure 51. Example 3 Loop Response

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Product Folder Link(s): TPS54283 TPS54286

SLMA002 Datasheet(PDF) 44 Page - Texas Instruments

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