參數(shù)資料
型號(hào)： LP3933
廠商： National Semiconductor Corporation
英文描述： Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
中文描述： 照明管理系統(tǒng)6個(gè)白光LED和RGB或兩個(gè)閃光LED
文件頁(yè)數(shù)： 6/18頁(yè)
文件大小： 406K
代理商： LP3933
Modes of Operation
RESET:
In the RESET mode all the internal registers are reset to the default values (Boost output register 3Fh
(5.0V), all other registers 00h). 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 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
, Bias, 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. 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 NORMAL mode the user controls the chip using the
Control Registers
. The registers can be written
in any sequence and any number of bits can be altered in a register in one write.
STANDBY:
STARTUP:
20080525
L
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相關(guān)PDF資料
PDF描述
LP3933SL Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
LP3933SLX Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs
LP3936 Lighting Management System for Six White LEDs and One RGB or FLASH LED
LP3936SL Lighting Management System for Six White LEDs and One RGB or FLASH LED
LP3936SLX Lighting Management System for Six White LEDs and One RGB or FLASH LED
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP3933A WAF 制造商:Texas Instruments 功能描述:
LP3933SL 制造商:Texas Instruments 功能描述:LIGHTING MANAGEMENT IC POWERWISE
LP3933SL/NOPB 功能描述:IC LED DRVR WT/RGB BCKLGT 32TCSP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 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
LP3933SLX 功能描述:IC LED DRVR WT/RGB BCKLGT 32TCSP RoHS:否 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動(dòng)器 系列:- 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
LP3936 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lighting Management System for Six White LEDs and One RGB or FLASH LED
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