MP3428 – 17A, 600KHZ, 20V WIDE INPUT RANGE ,SYNCHRONOUS BOOST CONVERTER IN ASMALL 3X4MM QFN PACKAGE

MP3428 Rev. 1.0

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17

12/23/2014

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8. The input path consisting of C1, L1, SW,

PGND, BST path, and SDR path should be

as short as possible.

9. Place sufficient GND vias close to the IC for

good thermal dissipation.

10. Do NOT place vias into the SW net.

11. Use

a

4-layer

PCB

for

high-power

applications.

Design Example

Below is a design example following the

application guidelines for the specifications:

Table 1. Design Example

3-10V

12V

0-2A

The detailed application schematic is shown in

Figure 5. The typical performance and circuit

waveforms have been shown in the Typical

Performance Characteristics section. For more

device applications, please refer to the related

Evaluation Board Datasheets.