EV2305DS-00A Datasheet, PDF (3/3 Pages) Monolithic Power Systems – 4.75V to 23V IN, 2A OUT Synchronous Buck Converter

TM
EV2305DS-00A – 4.75V TO 23V IN, 2A OUT SYNCHRONOUS BUCK CONVERTER
EVALUATION BOARD
PRINTED CIRCUIT BOARD LAYOUT
Figure 1—Top Silk Layer
Figure 2—Top Layer
Figure 3—Bottom Layer
QUICK START GUIDE
1. Connect the positive terminals of the load to the VOUT pins and the negative terminals to the
GND pins.
2. Preset the power supply output to 4.75V to 23V and turn it off.
3. Connect the positive terminal of the power supply output to the VIN pin and the negative
terminal to the GND pin
4. Turn on the power supply; the MP2305 will automatically startup.
5. To use the Enable function, apply a digital input to the EN pin. Drive EN higher than 2.5V to turn
on the regulator or less than 0.7V to turn it off.
6. An under voltage lockout (UVLO) function can be implemented by the addition of a resistor
divider (R4 and R5). The EN threshold is 1.3V, so VIN UVLO threshold is: ⎜⎛1+ ^R4 ⎟⎞ × 1.3V .
⎝ ^R5 ⎠
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.
EV2305DS-00A Rev. 1.5f
www.MonolithicPower.com
3
9/14/2005
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2005 MPS. All Rights Reserved.