MP2354 – 2A, 23V, 380KHz STEP-DOWN CONVERTER

NOTICE:

The information in this document is subject to change without notice. Please contact MPS for current specifications.

Users should warrant and guarantee that third party Intellectual Property rights are not infringed upon when integrating MPS

products into any application. MPS will not assume any legal responsibility for any said applications.

MP2354 Rev. 1.4

www.MonolithicPower.com

10

1/6/2006

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2006 MPS. All Rights Reserved.

TM

External Bootstrap Diode

It is recommended that an external bootstrap

diode be added when the system has a 5V

fixed input or the power supply generates a 5V

output. This helps improve the efficiency of the

regulator. The bootstrap diode can be a low

cost one such as IN4148 or BAT54.

MP2354

SW

BS

10nF

5V

MP2354_F03

Figure 3—External Bootstrap Diode

This diode is also recommended for high duty

cycle operation (when

IN

OUT

V

V

>65%) and high

PACKAGE INFORMATION

SOIC8

NOTE:

1) Control dimension is in inches. Dimension in bracket is millimeters.

0.016(0.410)

0.050(1.270)

DETAIL "A"

0.011(0.280)

0.020(0.508)

SEE DETAIL "A"

0.0075(0.191)

0.0098(0.249)

0.229(5.820)

0.244(6.200)

SEATING PLANE

0.001(0.030)

0.004(0.101)

0.189(4.800)

0.197(5.004)

0.053(1.350)

0.068(1.730)

0.049(1.250)

0.060(1.524)

0.150(3.810)

0.157(4.000)

PIN 1 IDENT.

0.050(1.270)BSC

0.013(0.330)

0.020(0.508)