參數(shù)資料
型號(hào)： LP3950SLX
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 顯示驅(qū)動(dòng)器
英文描述： Color LED Driver with Audio Synchronizer
中文描述： LED DISPLAY DRIVER, QCC32
封裝： 4.50 X 5.50 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, CSP-32
文件頁(yè)數(shù)： 6/31頁(yè)
文件大?。?/td> 1085K
代理商： LP3950SLX
Modes of Operation
RESET:
In the RESET mode all the internal registers are reset to the default values. RESET is entered always if
input NRST is LOW or internal Power On Reset is active.
The STANDBY mode is entered if the register bit NSTBY is LOW and RESET is not active. This is the low
power consumption mode, when all the circuit functions are disabled. Registers can be written in this mode
and the control bits are effective immediately after start up.
INTERNAL STARTUP SEQUENCE powers up all the needed internal blocks (V
, oscillator, etc.). To
ensure the correct oscillator initialization, a 10 ms delay is generated by the internal state-machine. Thermal
shutdown (THSD) disables the chip operation and Startup mode is entered until no thermal shutdown event
is present.
BOOST STARTUP:
Soft start for boost output is generated in the BOOST STARTUP mode. In this mode the boost output is
raised in PFM mode during the 10 ms delay generated by the state-machine. All RGB outputs are off during
the 10 ms delay to ensure smooth startup. The Boost startup is entered from Internal Startup Sequence if
EN_BOOST is HIGH or from Normal mode when EN_BOOST is written HIGH.
NORMAL:
During the NORMAL mode the user controls the chip using the control registers. Registers can be written
in any sequence and any number of bits can be altered in a register within one write cycle . If the default
mode is selected, default control register values are used.
STANDBY:
STARTUP:
Block Diagram
20129305
FIGURE 1. LP3950 Block Diagram
L
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相關(guān)PDF資料
PDF描述
LP3952 6-Channel Color LED Driver with Audio Synchronization
LP3952RLX 6-Channel Color LED Driver with Audio Synchronization
LP3952RL 6-Channel Color LED Driver with Audio Synchronization
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
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3950SLX/NOPB 功能描述:IC LED DRVR WHITE BCKLGT 32-TSCP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:PowerWise® 標(biāo)準(zhǔn)包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動(dòng)器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁(yè)面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT
LP3952 制造商:NSC 制造商全稱:National Semiconductor 功能描述:6-Channel Color LED Driver with Audio Synchronization
LP3952RL 制造商:NSC 制造商全稱:National Semiconductor 功能描述:6-Channel Color LED Driver with Audio Synchronization
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
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