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參數(shù)資料
| 型號(hào)： | LP3933SLX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Lighting Management System for Six White LEDs and Two RGB or FLASH LEDs |
| 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)： | 7/18頁(yè) |
| 文件大?。?/td> | 406K |
| 代理商： | LP3933SLX |
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Logic Interface Characteristics
(1.8V
≤
V
DD_IO
≤
V
DD1,2
)
Symbol
Parameter
LOGIC INPUTS SS, SI, SCK, PWM_LED
V
IL
Input Low Level
V
IH
Input High Level
I
I
Logic Input Current
f
SCK
Clock Frequency
LOGIC INPUT NRST
V
IL
Input Low Level
V
IH
Input High Level
I
I
Logic Input Current
t
NRST
Reset Pulse Width
LOGIC OUTPUT SO
V
OL
Output Low Level
V
OH
Output High Level
I
L
Output Leakage Current
Conditions
Min
Typ
Max
Units
0.5
V
V
μA
MHz
V
DD_IO
0.5
1.0
1.0
13
V
DD_IO
= 2.775V
0.5
V
V
μA
μs
1.5
1.0
10
1.0
I
SO
= 3 mA
I
SO
= 3 mA
V
SO
= 2.8V
0.3
0.5
V
V
μA
V
DD_IO
0.5
V
DD_IO
0.3
1.0
SPI Interface
LP3933 is compatible with the SPI serial bus specification
and it operates as a slave. The transmission consists of
16-bit Write and Read Cycles. One cycle consists of 7 Ad-
dress bits, 1 Read/Write (R/W) bit and 8 Data bits. R/W bit
high state defines a Write Cycle and low defines a Read
Cycle. SO output is normally in high-impedance state and it
is active only when Data is sent out during a Read Cycle. A
pull-up or pull-down resistor may be needed in SO line, if a
floating logic signal can cause unintended current consump-
tion in the input where SO is connected. The Address and
Data are transmitted MSB first. The Slave Select signal SS
must be low during the Cycle transmission. SS resets the
interface when high and it has to be taken high between
successive Cycles. Data is clocked in on the rising edge of
the SCK clock signal, while data is clocked out on the falling
edge of SCK.
20080512
SPI Write Cycle
20080511
SPI Read Cycle
L
www.national.com
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| LP3936SLX | Lighting Management System for Six White LEDs and One RGB or FLASH LED |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3936 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Lighting Management System for Six White LEDs and One RGB or FLASH LED |
| LP3936SL | 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 |
| LP3936SL/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 |
| LP3936SLX | 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 |
| LP3936SLX/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 |
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