參數(shù)資料
型號: 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個白光LED和RGB或兩個閃光LED
文件頁數(shù): 9/18頁
文件大?。?/td> 406K
代理商: LP3933
Magnetic Boost DC/DC Converter
(Continued)
Boost Converter Topology
20080528
Magnetic Boost DC/DC Converter Electrical Characteristics
Symbol
I
LOAD
Parameter
Conditions
Min
Typ
Max
Units
Load Current
3.0V
V
IN
4.5V
V
OUT
= 5V
1 mA
I
LOAD
300 mA
3.0V
V
IN
V
OUT
0.5V
V
OUT
= 5V
1 mA
I
LOAD
300 mA
3.0V
<
V
IN
<
5V +
V
(SCHOTTKY)
1 mA
I
LOAD
300 mA
V
IN
>
5V + V
(SCHOTTKY)
V
DD1, 2
= 2.775V, I
SW
=
0.5A
RT = 82 k
0
300
mA
V
FB
Output Voltage
Accuracy (FB Pin)
5
+5
%
Voltage at FB Pin
(Boost Converter
Output Voltage)
5
V
V
IN
–V
(SCHOTTKY)
V
RDS
ON
Switch ON Resistance
0.4
0.7
f
PWF
PWM Mode Switching
Frequency
Frequency Accuracy
1
MHz
2.65
V
DD1, 2
2.9
RT = 82 k
6
9
±
3
+6
+9
%
t
STARTUP
I
CL_OUT
Startup Time
SW Pin Current Limit
25
800
ms
670
530
915
995
mA
Boost Standby Mode
User can set the Boost Converter to STANDBY mode by writing the register bit EN_BOOST low. When EN_BOOST is written
high, the converter starts for 10 ms in PFM mode and then goes to PWM mode.
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