MP8758–18V, HIGH CURRENT SYNCHRONOUS BUCK CONVERTER

MP8758 Rev. 1.0

www.MonolithicPower.com

19

1/13/2015

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

© 2015 MPS. All Rights Reserved.

Figure 13—Recommend Layout

Recommend Design Example

Some design examples are provided below when

the ceramic capacitors are applied:

Table 2—Design Example

(V)

Cout

(F)

L

(μH)

R4

(Ω)

C4

(F)

R1

(kΩ)

R2

(kΩ)

1.05

22μx3

1.2

NS

220p

59

82

1.2

22μx3

1.2

NS

220p

100

102

1.35

22μx3

1.2

NS

220p

100

82

3.3

22ux4

2

1M

220p

88.7

18

5

22ux4

2

1M

220p

150

18

The detailed application schematic is shown in

Figure 14 and Figure 15 for 1.35V and 5V

applications when low ESR caps are applied.

The typical performance and circuit waveforms

have been shown in the Typical Performance

Characteristics section. For more possible

applications of this device, please refer to related

Evaluation Board Data Sheets.