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| 型號： | LP3954TL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Advanced Lighting Management Unit |
| 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(shù)： | 1/56頁 |
| 文件大?。?/td> | 5801K |
| 代理商： | LP3954TL |
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July 2007
LP3954
Advanced Lighting Management Unit
General Description
LP3954 is an advanced lighting management unit for hand-
held devices. It drives any phone lights including display
backlights, RGB, keypad and camera flash LEDs. The boost
DC-DC converter drives high current loads with high efficien-
cy. White LED backlight drivers are high efficiency low voltage
structures with excellent matching and automatic fade in/ fade
out function. The new stand-alone command based RGB
controller is feature rich and easy to configure. Built-in audio
synchronization feature allows user to synchronize the color
LEDs to audio input. Integrated high current driver can drive
camera flash LED or motor/vibra. Internal ADC can be used
for ambient light or temperature sensing. The flexible SPI/I
2
C
interface allows easy control of LP3954. Small micro SMD
package together with minimum number of external compo-
nents is a best fit for handheld devices.
Features
■
Audio synchronization for color/RGB LEDs
■
Command based PWM controlled RGB LED drivers
■
High current driver for flash LED with built-in timing.
■
4+2 or 6 low voltage constant current white LED drivers
with programmable 8-bit adjustment (0…25mA/LED)
■
High efficiency Boost DC-DC converter
■
SPI / I
2
C compatible interface
■
Possibility for external PWM dimming control
■
Possibility for clock synchronization for RGB timing
■
Ambient light and temperature sensing possibility
■
Small package – micro SMD or micro SMDxt, 3.0 x 3.0 x
0.6mm
Applications
■
Cellular Phones
■
PDAs, MP3 players
Typical Applications
20132260
2007 National Semiconductor Corporation
201322
www.national.com
L
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP3954TLX | Advanced Lighting Management Unit |
| LP3958 | Lighting Management Unit with High Voltage Boost Converter |
| LP3958TL | Lighting Management Unit with High Voltage Boost Converter |
| LP3958TLX | Lighting Management Unit with High Voltage Boost Converter |
| LP3971 | POWER MANAGEMENT UNIT FOR ADVANCED APPLICATION PROCESSORS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3954TL/NOPB | 功能描述:LED照明驅(qū)動(dòng)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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP3954TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit |
| LP3954TLX/NOPB | 功能描述:LED照明驅(qū)動(dòng)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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP3958 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lighting Management Unit with High Voltage Boost Converter |
| LP3958TL | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lighting Management Unit with High Voltage Boost Converter |
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