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參數資料
| 型號： | LP55281TL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅動器 |
| 英文描述： | Quad RGB Driver |
| 中文描述： | LED DISPLAY DRIVER, PBGA36 |
| 封裝： | 3 X 3 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, MICRO SMD-36 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 1313K |
| 代理商： | LP55281TL |
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June 2007
LP55281
Quad RGB Driver
General Description
LP55281 is a quad RGB LED driver for handheld devices. It
can drive 4 RGB LED sets and a single fun light LED. The
boost DC-DC converter drives high current loads with high
efficiency. The RGB driver can drive individual color LEDs or
RGB LEDs powered from boost output or external supply.
Built-in audio synchronization feature allows user to synchro-
nize the fun light LED to audio inputs. The flexible SPI/I
2
C
interface allows easy control of LP55281. Small Micro SMD
or Micro SMDxt package together with minimum number of
external components is a best fit for handheld devices.
LP55281 has also a LED test feature, which can be used for
example in production for checking the LED connections.
Features
■
Audio synchronization for a single fun light LED
■
4 PWM controlled RGB LED drivers
■
High efficiency Boost DC-DC converter
■
SPI/I
2
C compatible interface
■
2 addresses in I
2
C compatible interface
■
LED connectivity test through the serial interface
■
Small 36-bump Micro SMD (3 mm x 3 mm x 0.6 mm) or
36-bump Micro SMDxt package (3 mm x 3 mm x 0.65 mm)
Applications
■
Cellular Phones
■
PDAs, MP3 players
Typical Application
20201101
National Semiconductor
is a registered trademark of National Semiconductor Corporation.
2007 National Semiconductor Corporation
202011
www.national.com
L
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LP55281TL/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 |
| LP55281TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Quad RGB Driver |
| LP55281TLX/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 |
| LP-554770-2S-4M | 制造商:Alpha 3 Manufacturing 功能描述: |
| LP5550 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:PowerWise Technology Compliant Energy Management Unit |
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