
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
1/6/2006
www.MonolithicPower.com
10
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
output voltage (V
OUT
>12V) applications.
PACKAGE INFORMATION
SOIC8
NOTE:
1) Control dimension is in inches. Dimension in bracket is millimeters.
0.016(0.410)
0.050(1.270)
0
o
-8
o
DETAIL "A"
0.011(0.280)
o
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)