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參數(shù)資料
| 型號： | LP5520TLX |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | RGB Backlight LED Driver |
| 中文描述： | LED DISPLAY DRIVER, PBGA25 |
| 封裝： | 2.77 X 2.59 MM, 0.60 MM HEIGHT, SMD-25 |
| 文件頁數(shù)： | 22/34頁 |
| 文件大?。?/td> | 790K |
| 代理商： | LP5520TLX |
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Logic Interface Characteristics
Symbol
Logic Inputs SS, SI/A0, SCK/SCL, IFSEL, NRST, PWMR, PWMG, PWMB and BRC
V
IL
Input Low Level
V
IH
Input High Level
I
I
Logic Input Current
I
2
C Mode
Parameter
Conditions
Min
Typ
Max
Units
0.2 × V
DDIO
1.0
0.4
V
0.8 × V
DDIO
1.0
V
μA
f
SCK/SLC
Clock Frequency
MHz
SPI Mode
V
DDIO
> 1.8V
SPI Mode
1.65V < V
DDIO
< 1.8V
13
5
Logic input NRST
V
IL
V
IH
I
I
t
NRST
Logic Output SO
V
OL
Input Low Level
0.5
V
Input High Level
1.2
-1.0
10
V
Logic Input Current
1.0
μA
Reset Pulse Width
μs
Output Low Level
I
SO
= 3 mA
V
DDIO
> 1.8V
I
SO
= 2 mA
1.65V < V
DDIO
< 1.8V
I
SO
= -3 mA
V
DDIO
> 1.8V
I
SO
= -2 mA
1.65V < V
DDIO
< 1.8V
V
SO
= 2.8V
0.3
0.5
V
0.3
0.5
V
V
OH
Output High Level
V
DDIO
0.5
V
DDIO
0.3
V
V
DDIO
0.5
V
DDIO
0.3
V
I
L
Output Leakage
Current
1.0
μA
Logic Output SDA
V
OL
Control Interface
LP5520 supports two different interface modes:
SPI interface (4 wire, serial)
I
2
C compatible interface (2 wire, serial)
User can define the serial interface by IF_SEL pin. IF_SEL =
0 selects the I
2
C mode.
Output Low Level
I
SDA
= 3 mA
0.3
0.5
V
SPI Interface
LP5520 is compatible with 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 Address bits, 1
Read/Write (RW) bit and 8 Data bits. RW 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. 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.
20186130
SPI Write Cycle
www.national.com
22
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP5520TLX/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 |
| LP5521 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Programmable Three Channel LED Driver |
| LP5521TM | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Programmable Three Channel LED Driver |
| LP5521TM/NOPB | 功能描述:LED照明驅(qū)動器 3 Ch Prog Led Driver 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 |
| LP5521TMEV | 功能描述:電源管理IC開發(fā)工具 LP5521TMEV 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 |
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