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參數(shù)資料
| 型號： | LP55271 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| 中文描述： | 微小的LED照相機閃光燈和4的I2C可編程性，連接測試和音頻同步發(fā)光二極管驅(qū)動器 |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 826K |
| 代理商： | LP55271 |
Connection Diagrams and Package Mark Information
Pin Descriptions
(Continued)
Pin
D3
A1
F5
E5
D5
B5
A5
B4
A4
F2
F3
D2
C1
B1
F4
E4
C5
F1
A2
D1
C3
E1
A3
B3
E2
E3
D4
C4
C2
B2
Name
VDD1
VDD2
SW1
SW2
FB
LED1
LED2
LED3
LED4
FLASH
GNDC
RT
VREF
VDDA
GND_SW1
GND_SW2
GND_LED
GND_FLASH
IFLASH
GNDA
GND
VDD_IO
NRST
SCL
SDA
FLASH_SYNC
T2
T1
ASE1
ASE2
Type
P
P
A
A
A
O
O
O
O
O
G
A
A
P
G
G
G
G
A
G
G
P
DI
DI
OD
DI
DO
DI
AI
AI
Description
Supply Voltage
Supply Voltage
Boost Converter Switch
Boost Converter Switch
Boost Converter Feedback
LED1 Driver Output
LED2 Driver Output
LED3 Driver Output
LED4 Driver Output
Flash LED Driver Output
Ground for Core Circuitry
Oscillator Frequency Setting
Reference Voltage
Internal LDO
Boost Converter Ground
Boost Converter Ground
LEDs 1 to 4 Driver Ground Connection
Flash Driver Ground Connection
Resistor for Flash Current Setting
Analog Ground Connection
Ground
Supply Voltage for Digital Interface
Low Active Reset
I
2
C Compatible Interface Clock Signal
I
2
C Compatible Interface Data Signal
FLASH LED Control
Test Pin (Result)
Test Pin (Clock)
Audio Input
Audio Input
A: Analog Pin D: Digital Pin G: Ground Pin P: Power Pin
I: Input Pin I/O: Input/Output Pin O: Output Pin OD: Open Drain Pin
L
www.national.com
3
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PDF描述 |
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| LP5527 | Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP5527TL | Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP5527TLX | Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LP55271TL | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP55271TL/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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP55271TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Tiny LED Driver for Camera Flash and 4 LEDs with I2C Programmability, Connectivity Test and Audio Synchronization |
| LP55271TLX/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: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| LP5527TL | 制造商:Texas Instruments 功能描述:DRIVER FLASH LED I2C POWERWISE |
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