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參數(shù)資料
| 型號(hào)： | EV1528DQ-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 元件分類： | LED驅(qū)動(dòng)器 |
| 英文描述： | 9 Lamp, 20mA Preciscion WLED Driver Evaluation Board |
| 中文描述： | 9燈，20mA的Preciscion WLED驅(qū)動(dòng)器評(píng)估板 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | EV1528DQ-00A |
The Future of Analog IC Technology
EV1518DG-00A
Fixed Frequency WLED Driver
Evaluation Board
EV1518DG-00A Rev. 1.1
7/25/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
TM
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
Parameter
Symbol
Input Voltage
V
IN
# of WLEDs
LED Current
I
LED
Value
0.0 – 0.0
Up to 6
20
Units
V
mA
FEATURES
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
APPLICATIONS
Cell Phones
Handheld Computers and PDAs
Digital Still Cameras
Small LCD Displays
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
EV1518DG-00A EVALUATION BOARD
(L x W x H) 2.0” x 1.8” x 0.4”
(5.0cm x 4.5cm x 1.0cm)
Board Number
EV1518DG-00A
MPS IC Number
MP1518DG
88
86
84
82
80
78
76
E
5
10
15
20
LED CURRENT (mA)
Efficiency vs
LED Current
6 LEDS
3 LEDS
V
IN
= 3.6V
4 LEDS
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EV1529DR-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:Fixed Frequency Step-Up Converter LCD Backlight Plus Flash Evaluation Board |
| EV1531DQ-002A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:Low Power, Triple Output Step-Up Plus Charge Pump for TFT Bias |
| EV1541DJ-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:4 Output DSL Power Supply |
| EV1541DJ-TFT-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:MP1541 TFT Applications Evaluation Board |
| EV1542DK-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 2A Switch |
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