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參數資料
| 型號： | LP5526TLX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅動器 |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | LED DISPLAY DRIVER, PBGA25 |
| 封裝： | 2.54 X 2.54 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, BGA-25 |
| 文件頁數： | 1/33頁 |
| 文件大小： | 1150K |
| 代理商： | LP5526TLX |
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LP5526
Lighting Management Unit with High Voltage Boost
Converter with up to 150mA Serial FLASH LED Driver
General Description
LP5526 is a Lighting Management Unit for portable applica-
tions. It is used to drive display backlights, keypad LEDs,
RGB LEDs and camera flash LEDs. LP5526 can drive 2
separately connected strings of LEDs with high voltage
boost converter. The RGB driver allows driving either indi-
vidual color LEDs or RGB LED from separate supply power,
or it can be used to drive series connecter flash LEDs from
high voltage boost converter.
The backlight drivers (MAIN and SUB pins) are both high
resolution constant current mode drivers. The flash outputs
can drive series connected flash LED with up to 150mA of
current. External PWM control can be used for dimming any
selected LED outputs or it can be used to trigger the flash.
The flash has also 1-second safety timer.
The device is controlled through 2-wire low voltage I
2
C
compatible interface that reduces the number of required
connections.
Features
n
High efficiency boost converter with programmable
output voltage up to 20V
n
2 individual drivers for serial display backlight LEDs
n
Automatic dimming controller
n
Stand alone RGB controller
n
Dedicated flash function
n
Safety function to avoid prolonged flash
n
3 general purpose IO pins
n
25-bump micro SMD Package: (2.54mm x 2.54mm x
0.6mm)
Applications
n
Cellular Phones and PDAs
n
MP3 Players
n
Digital Cameras
Typical Application
20179770
March 2006
L
F
2006 National Semiconductor Corporation
DS201797
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LP5526TLX/NOPB | 功能描述:LED照明驅動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP5527 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP55271 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP55271TL | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP55271TL/NOPB | 功能描述:LED照明驅動器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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