EV3209DJ-00A – 1.3MHz 350MA BOOST 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.
EV3209DJ-00A Rev. 1.3
www.MonolithicPower.com
4
12/25/2013
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2013 MPS. All Rights Reserved.
QUICK START GUIDE
The output voltage of this board is set to 15V. The board layout accommodates most commonly used
inductors and output capacitors.
1. Preset Power Supply to 2.5V
≤
V
IN
≤
6V.
2. Turn Power Supply off.
3. Connect Power Supply terminals to:
Positive (+): IN
Negative (–): GND
4. Connect Load to:
Positive (+): OUT
Negative (–): GND
5. Turn Power Supply on after making connections.
6. The MP3209 is enabled on the evaluation board once V
IN
is applied. To disable the MP3209,
short EN to GND.
7. The output voltage V
OUT
can be changed by varying R4. Calculate the new value using the
fomula:
2
R
V
V
V
4
R
FB
O
FB
×
⎟⎟
⎠
⎞
⎜⎜
⎝
⎛
−
=
Where V
FB
= 1.25V and R2 = 499k
Ω
For example, for V
OUT
= 15V
1.25
R4
499k
45.3k
15 1.25
⎛
⎞
=
×
Ω =
Ω
⎜
⎟
−
⎝
⎠
Therefore use a 45.3 k
Ω
standard 1% value.