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參數(shù)資料
| 型號(hào)： | LP3958TL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Lighting Management Unit with High Voltage Boost Converter |
| 中文描述： | LED DISPLAY DRIVER, PBGA25 |
| 封裝： | 2.54 X 2.54 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, MICRO SMD PACKAGE-25 |
| 文件頁數(shù)： | 3/28頁 |
| 文件大?。?/td> | 1091K |
| 代理商： | LP3958TL |
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Connection Diagrams and Package Mark Information
(Continued)
PIN DESCRIPTIONS
Pin #
5E
5D
5C
5B
5A
4E
4D
4C
4B
4A
3E
3D
3C
3B
3A
2E
2D
2C
2B
2A
1E
1D
1C
1B
1A
Name
SW
FB
KEY1
KEY2
KEY3
GND_SW
NRST
SCL
IKEY
GND_KEY
VDD2
VDDIO
SDA
GPIO[2]
GPIO[0] / PWM
GND_WLED
GNDT
VDD1
VREF
GPIO[1]
MAIN
SUB
VDDA
GND
IRT
Type
Output
Input
Output
Output
Output
Ground
Input
Logic Input
Input
Ground
Power
Power
Logic Input/Output
Logic Input/Output
Logic Input/Output
Ground
Ground
Power
Output
Logic Input/Output
Output
Output
Output
Ground
Input
Description
Boost Converter Power Switch
Boost Converter Feedback
Keypad LED Output 1 (Current Sink)
Keypad LED Output 2 (Current Sink)
Keypad LED Output 3 (Current Sink)
Power Switch Ground
External Reset, Active Low
Clock Input for I
2
C Compatible Interface
External Keypad LED Maximum Current Set Resistor
Ground for KEY LED Currents
Supply Voltage 3.0...5.5 V
Supply Voltage for Digital Input/Output Buffers and Drivers
Data Input/Output for I
2
C Compatible Interface
General Purpose Logic Input/Output
General Purpose Logic Input/Output / External PWM Input
Ground for White LED Currents (MAIN and SUB Outputs)
Ground
Supply Voltage 3.0...5.5 V
Reference Voltage (1.23V)
General Purpose Logic Input/Output
MAIN Display White LED Current Output (Current Sink)
SUB Display White LED Current Output (Current Sink)
Internal LDO Output (2.80V)
Ground for Core Circuitry
Oscillator Frequency Set Resistor
L
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP3958TL/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 |
| LP3958TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Lighting Management Unit with High Voltage Boost Converter |
| LP3958TLX/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 |
| LP395Z | 功能描述:兩極晶體管 - BJT RoHS:否 制造商:STMicroelectronics 配置: 晶體管極性:PNP 集電極—基極電壓 VCBO: 集電極—發(fā)射極最大電壓 VCEO:- 40 V 發(fā)射極 - 基極電壓 VEBO:- 6 V 集電極—射極飽和電壓: 最大直流電集電極電流: 增益帶寬產(chǎn)品fT: 直流集電極/Base Gain hfe Min:100 A 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PowerFLAT 2 x 2 |
| LP395Z | 制造商:Texas Instruments 功能描述:POWER TRANSISTOR TO-92-3 395 |
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