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參數(shù)資料
| 型號： | EV3204DJ-00A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | Fixed Frequency White LED Driver |
| 中文描述： | 固定頻率白光LED驅動器 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 173K |
| 代理商： | EV3204DJ-00A |
The Future of Analog IC Technology
EV3204DJ-00A
Fixed Frequency
White LED Driver
EVALUATION BOARD
EV3204DJ-00A Rev. 1.1
7/13/2005
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
TM
TM
GENERAL DESCRIPTION
The MP3204 is a step-up converter designed
for driving up to 5 series white LEDs from a
single cell Lithium Ion battery. The MP3204
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 MP3204 includes under-voltage lockout,
current limiting and thermal overload protection
preventing damage in the event of an output
overload.
ELECTRICAL SPECIFICATION
Parameter
Symbol
Input Voltage
V
IN
Number of WLEDs
Value
2.5 to 6
1 to 5
Units
V
FEATURES
On Board Power MOSFET
Drives up to 5 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 Application
“MPS” and “The Future of Analog IC Technology” are Trademarks of
Monolithic Power Systems, Inc.
EV3204DJ-00A EVALUATION BOARD
Dimensions (1.9”X x 1.8”Y x 0.4”Z)
Board Number
EV3204DJ-00A
MPS IC Number
MP3204DJ
88
87
86
85
84
83
82
81
80
79
78
77
E
5
10
15
20
LED CURRENT (mA)
MP3204-EC01
Efficiency vs
LED Current
3 LEDs
4 LEDs
V
IN
=3.6V
5 LEDs
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PDF描述 |
|---|---|
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| EV5103 | G5103 White LED Demo Board V1.0 |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EV3205DJ-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.3MHz Fixed Frequency 5 White LED Driver |
| EV3212X05XA_D5X WAF | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| EV3213DH-00A | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 3.5A Switch |
| EV322 | 制造商:FASTRAX 功能描述:KIT EVAL GPS RECEIVER UC322 制造商:FASTRAX 功能描述:UC322, GPS RECEIVER, 20-CHANNEL, EVALUATION BOARD; Silicon Manufacturer:Fastrax; Silicon Core Number:UC322; Kit Application Type:Sensing - Navigation, Position; Application Sub Type:GPS Receiver; MCU Supported Families:SiRFstarIII ;RoHS Compliant: Yes |
| EV32C1 | 制造商:ECLIPTEK 制造商全稱:Ecliptek Corporation 功能描述:CERAMIC SMD3.3V HCMOS/TTL VCXO |
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