MP1518DG MPS [Monolithic Power Systems], MP1518DG Datasheet

MP1518DG

Manufacturer Part Number

MP1518DG

Description

Fixed Frequency WLED Driver Evaluation Board

Manufacturer

MPS [Monolithic Power Systems]

Datasheet

1.MP1518DG.pdf (3 pages)

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Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

MP1518DG

Manufacturer:

MPS

Quantity:

20 000

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BOSTOCK HK LIMITED

Part Number:

MP1518DG-LF

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Download datasheet (168Kb)

The Future of Analog IC Technology

GENERAL DESCRIPTION

The EV1518DG-00A is an evaluation board for

the MP1518, a step-up converter designed for

driving up to 6 series white LEDs from a single

cell Lithium Ion battery. The MP1518 uses

current mode, fixed frequency architecture to

regulate the LED current, which is measured

through an external current sense resistor. Its

low 104mV feedback voltage reduces power

loss and improves efficiency. The OV pin

monitors the output voltage and turns off the

converter if an over-voltage condition is present

due to an open circuit condition.

The MP1518 includes under-voltage lockout,

current limiting and thermal overload protection

preventing damage in the event of an output

overload.

ELECTRICAL SPECIFICATIONS

EV1518DG-00A EVALUATION BOARD

EV1518DG-00A Rev. 1.1

7/25/2006

Parameter

Input Voltage

# of WLEDs

LED Current

EV1518DG-00A

Board Number

(L x W x H) 2.0” x 1.8” x 0.4”

(5.0cm x 4.5cm x 1.0cm)

Symbol

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

LED

MPS IC Number

MP1518DG

0.0 – 0.0

Up to 6

Value

www.MonolithicPower.com

Units

FEATURES

•

APPLICATIONS

•

“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic

Power Systems, Inc.

On Board Power MOSFET

Drives up to 6 Series White LEDs

Up to 87% Efficiency

Over 1MHz Fixed Switching Frequency

Open Load Shutdown

Low 104mV Feedback Voltage

Soft Start/PWM Dimming

UVLO, Thermal Shutdown

Internal Current Limit

Cell Phones

Handheld Computers and PDAs

Digital Still Cameras

Small LCD Displays

Fixed Frequency WLED Driver

Efficiency vs

LED Current

6 LEDS

EV1518DG-00A

LED CURRENT (mA)

4 LEDS

Evaluation Board

3 LEDS

= 3.6V

Related parts for MP1518DG

MP1518DG Summary of contents

Page 1

... WLEDs LED Current I LED EV1518DG-00A EVALUATION BOARD ( 2.0” x 1.8” x 0.4” (5.0cm x 4.5cm x 1.0cm) Board Number MPS IC Number EV1518DG-00A MP1518DG EV1518DG-00A Rev. 1.1 7/25/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. TM Fixed Frequency WLED Driver TM FEATURES • On Board Power MOSFET • ...

Page 2

... GND NC 7 Package Manufacturer Manufacturer P/N 0805 1206 SOD-323 Diodes Inc SMD Sumida 0805 Panasonic 0805 Yageo QFN8 (2x2) www.MonolithicPower.com © 2006 MPS. All Rights Reserved. LED1 LED2 LED3 LED4 LED5 LED6 TDK C2012X5R0J475M TDK C3216X7R1H224K BAT54WS-7 CDRH3D16-220NC ERJ-6GEYJ104V 9C08052A4R99FKHFT MPS MP1518DG 2 ...

Page 3

TM EV1518DG-00A – FIXED FREQUENCY WLED DRIVER EVALUATION BOARD PRINTED CIRCUIT BOARD LAYOUT Figure 1—Top Silk Layer QUICK START GUIDE 1. Solder LED1 – LED6 to board. 2. Connect the positive and negative terminals of the power supply (2.5V to ...

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