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參數(shù)資料
| 型號(hào)： | LP3952RL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | 6-Channel Color LED Driver with Audio Synchronization |
| 中文描述： | LED DISPLAY DRIVER, PBGA36 |
| 封裝： | 3 X 3 MM, 0.65 MM HEIGHT, 0.50 MM PITCH, MICRO, SMD-36 |
| 文件頁數(shù)： | 1/44頁 |
| 文件大?。?/td> | 1621K |
| 代理商： | LP3952RL |
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July 2007
LP3952
6-Channel Color LED Driver with Audio Synchronization
General Description
LP3952 is a color LED driver for battery powered handheld
devices. It drives any color LEDs including RGB LEDs, indi-
cator LEDs and keypad backlight LEDs. The boost DC-DC
converter drives high current loads with high efficiency. The
stand-alone command based RGB controller is feature rich
and easy to configure. Different lighting patterns and blinking
sequences can be programmed to driver registers. Built-in
audio synchronization feature allows user to synchronize the
color LEDs to audio signal. LED lighting can be controlled ei-
ther by audio signal amplitude or frequency. There are many
controls available for audio synchronization to get desired
lighting effect, including gain, speed, and different filter set-
tings. The flexible I
2
C interface allows easy control of LP3952.
LED outputs can be also controlled with external PWM signal.
Small micro SMDxt package together with minimum number
of external components is a best fit for handheld devices.
Features
■
Constant current and PWM controlled color LED drivers
■
Maximum current 40mA / output in constant current mode,
supports also switch mode control with 50 mA maximum
current / output
■
Complete audio synchronization for color/RGB LEDs with
amplitude, frequency and speed optimization
■
Command based lighting pattern generator for RGB LEDs
■
Programmable ON/OFF blinking sequences for RGB1
outputs
■
High efficiency Boost DC-DC converter with
programmable V
OUT
and f
SW
■
I
2
C compatible interface
■
Possibility for external PWM dimming control
■
Small package – 36-bump micro SMDxt, 3.0 x 3.0 x 0.65
mm
Applications
■
Cellular Phones
■
PDAs, MP3 players
Typical Applications
30023871
2007 National Semiconductor Corporation
300238
www.national.com
L
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LP39542 | Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.3 to 4.7; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD |
| LP39542RL | Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.6 to 5.0; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD |
| LP39542RLX | Zener Diode; Application: Low noise; Pd (mW): 250; Vz (V): 4.9 to 5.3; Condition Iz at Vz (mA): 0.5; C (pF) max: -; Condition VR at C (V):   ESD (kV) min: -; Package: LLD |
| LP39542TL | Advanced Lighting Management Unit |
| LP39542TLX | Advanced Lighting Management Unit |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3952RL/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 |
| LP3952RLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:6-Channel Color LED Driver with Audio Synchronization |
| LP3952RLX/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 |
| LP3954 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit |
| LP39542 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Advanced Lighting Management Unit |
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