MP1527DR MPS [Monolithic Power Systems], MP1527DR Datasheet - Page 5

• Manufacturer Part Number: MP1527DR
• Description: 1.3MHz Low Power LED Torch/Flash Driver
• Manufacturer: MPS [Monolithic Power Systems]

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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.
EV1527DR-02A Rev. 1.0
9/21/2005
1. Connect a Lumileds DS25 to LED terminals on the EV1527DR-02A board.
2. Preset the power supply to 3V - 4.2V.
3. Turn the power supply off.
4. Connect the power supply terminals to:
5. Connect EN to VIN.
6. Turn on the power supply after making said connections.
7. The MP1527 is enabled on the demo board once V
8. Drive FLASH of Q1 with a pulsed signal (3V or above for High, 0V for Low) to switch between
9. I
10. I
two (2) LED currents.
OUT
OUT
a. Positive (+): VIN
b. Negative (–): GND
1 is set to 150mA on the board.
2 is set to 750mA on the board.
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
EV1527DR-02A - 1.3MHZ LOW POWER LED TORCH/FLASH DRIVER
© 2005 MPS. All Rights Reserved.
www.MonolithicPower.com
IN
is applied.
EVALUATION BOARD
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