參數(shù)資料
型號： LP5522TM
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 顯示驅(qū)動器
英文描述： Programmable LED Driver
中文描述： LED DISPLAY DRIVER, PBGA6
封裝： 1.215 X 0.815 MM, 0.60 MM HEIGHT, 0.40 MM PITCH, MICRO SMD-6
文件頁數(shù)： 6/14頁
文件大小： 219K
代理商： LP5522TM
LED Driver Operational Description
The LP5522 LED driver is constant current source. Current can be set with external resistor (R
) so that the current ratio between
resistor and LED is 1:400. R
ISET
current correlates to ISET reference voltage (V
ISET
). Consequently, current through LED can be
adjusted using equation I
OUT
ISET
.
Use of external resistor is optional. If external resistor is not connected, default output current is 5 mA. When external resistor is
not used ISET pin should be connected to VDD.
LED Driver Typical Performance Characteristics
T
J
= 25°C. Unless otherwise noted, typical performance characteristics apply to the LP5522 Block Diagram with: V
IN
= 3.6V,
R
ISET
= 24 k
, C
IN
= 100 nF.
Output Current vs R
ISET
(Expanded Range)
20217299
Output Current vs R
ISET
202172300
Output Current vs Input Voltage
(ISET Connected To VDD)
202172301
Output Current vs Headroom Voltage
202172302
www.national.com
6
L
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LP5522TM/NOPB 功能描述:LED照明驅(qū)動器 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
LP5522TMEV 功能描述:電源管理IC開發(fā)工具 LP5522TMEV EVAL BOARD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
LP5522TMX 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Programmable LED Driver
LP5522TMX/NOPB 功能描述:LED照明驅(qū)動器 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
LP5523 制造商:TI 制造商全稱:Texas Instruments 功能描述:Programmable 9-Output LED Driver
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