EV0077 (MP1541) 1.3MHz LOW POWER BOOST CONVERTER

EVALUATION BOARD - INITIAL RELEASE

NOTICE:

MPS believes the information in this document to be accurate and reliable. However, it is subject to change without

notice. Contact MPS for current specifications. MPS encourages users of its products to ensure that third party Intellectual

Property rights are not infringed upon when integrating MPS products into any application. MPS cannot assume any legal

responsibility for any said applications.

EV0077 (MP1541) Rev. 1.0

Monolithic Power Systems, Inc.

4

6/10/04

983 University Avenue, Building A, Los Gatos, CA 95032 USA

© 2004 MPS, Inc.

Tel: 408-357-6600

♦ Fax: 408-357-6601 ♦ www.MonolithicPower.com

QUICK START GUIDE

The output voltage of this board is set to 12V. The board layout accommodates most commonly used

inductors and output capacitors.

1. Preset Power Supply to 2.5V

2. Turn Power Supply off.

3. Connect Power Supply terminals to:

a. Positive (+): VIN

b. Negative (–): GND

4. Connect Load to:

a. Positive (+): VOUT

b. Negative (–): GND

5. Turn Power Supply on after making connections.

6. The MP1541 is automatically enabled on the evaluation board once VIN is applied. To disable

the MP1541, connect the EN pin to ground.

fomula:

4

R

1

V

V

3

R

FB

OUT

⎟⎟

⎠

⎞

⎜⎜

⎝

⎛

−

=

Ω

=

Ω

×

⎟

⎠

⎞

⎜

⎝

⎛

−

=

k

72

.

63

k

8

.

11

1

V

25

.

1

V

8

3

R

Therefore use a 63.4k

Ω standard 1% value.