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LM3552SD/NOPB PDF预览

LM3552SD/NOPB

更新时间： 2024-11-15 15:37:23
品牌 Logo 应用领域
德州仪器 - TI 驱动光电二极管接口集成电路
页数 文件大小 规格书
21页 771K
描述
1A White LED Driver with Flash Timeout Protection 14-WSON -40 to 85

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LM3552SD/NOPB 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Obsolete包装说明：SON, SOLCC14,.16,20
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：7.91接口集成电路类型：LED DISPLAY DRIVER
JESD-30 代码：R-PDSO-N14JESD-609代码：e3
湿度敏感等级：1端子数量：14
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SON
封装等效代码：SOLCC14,.16,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：260
电源：3/5 V认证状态：Not Qualified
子类别：Display Drivers表面贴装：YES
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
Base Number Matches：1

LM3552SD/NOPB 数据手册

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LM3551, LM3552  
www.ti.com  
SNVS371D –AUGUST 2005–REVISED MAY 2013  
LM3551 /LM3552 1A White LED Driver with Flash Timeout Protection  
Check for Samples: LM3551, LM3552  
1
FEATURES  
DESCRIPTION  
The LM3551 and LM3552 are fixed frequency,  
current mode step-up DC/DC converters with two  
integrated NFETs that can be used for precision LED  
brightness control. The devices are capable of driving  
loads up to 1A from a single-cell Li-Ion battery.  
2
•
•
•
•
•
•
•
•
•
Up to 1A Total Drive Current  
Flash Timeout Protection  
Independent Torch/Flash/Shutdown Modes  
LED Disconnect in Shutdown  
Programmable Soft-Start Limits Inrush Current  
Over-Voltage Protection  
The LM3551 and LM3552 can drive one or more high  
current flash LEDs either in a high power Flash mode  
or  
a
lower power Torch mode using the  
programmable Timeout  
Wide Voltage Range 2.7 to 5.5V  
1.25MHz Constant Switching Frequency  
TORCH/FLASH pin.  
A
function on the FTO pin forces the internal NFETs to  
turn off after a certain user defined time. An external  
SD pin (LM3551) or EN pin (LM3552) is available to  
put the device into low power shutdown mode. During  
shutdown, the feedback resistors and the load are  
disconnected from the input to avoid leakage current  
paths to ground.  
Small, Low Profile Package, Non-Pullback  
WSON(4mm x 4mm)  
APPLICATIONS  
•
•
•
•
•
•
White LED Camera Flash  
White LED Torch (Flashlight)  
DSC (Digital Still Camera) Flash  
Cellular Camera Phone Flash  
PDA Camera Flash  
User programmable soft-start circuitry has been  
integrated to eliminate large inrush currents at start-  
up. Over-voltage protection circuitry and a 1.25MHz  
switching frequency allow for the use of small, low-  
cost output capacitors with lower voltage ratings. The  
LM3551 and LM3552 are available in a low profile 14-  
pin WSON package.  
Camcorder Torch (Flashlight) Lamp  
Typical Application Circuits  
Sharp  
GM5BW05340A  
Flash LED  
D1  
L1  
SW  
OVP  
V
BAT  
V
IN  
FB  
C
IN  
C
OUT  
V
FTO  
C
R
T
R
F
LM3551/2  
R
C
FET-T  
FET-F  
C
FTO  
C
C
SS  
C
GND  
SS  
T/F  
D1  
SD/  
EN  
LUMILED  
LXCL-PWF1  
Flash LED  
L1  
SW  
OVP  
V
BAT  
V
IN  
FB  
C
IN  
C
OUT  
V
C
R
T
R
F
LM3551/2  
FTO  
R
C
FET-T  
FET-F  
C
FTO  
C
C
SS  
C
SS  
SD/  
EN  
T/F  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2005–2013, Texas Instruments Incorporated  
1234567...21

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LM3552SD/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM3552SD TI

完全替代

 LED DISPLAY DRIVER, QCC14, 4 X 4 MM, LLP-24
LM3552SDX/NOPB TI

类似代替

 1A White LED Driver with Flash Timeout Protection 14-WSON -40 to 85

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LM3552SDX NSC

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LM3552SDX/NOPB TI

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 		1A White LED Driver with Flash Timeout Protection 14-WSON -40 to 85
LM3553 NSC

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 		1.2A Dual Flash LED Driver System with I2C Compatible
LM3553 TI

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 		具有 I2C 兼容接口的 1.2A 双闪存 LED 驱动器系统
LM3553SD/NOPB TI

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 		具有 I2C 兼容接口的 1.2A 双闪存 LED 驱动器系统 | DQB | 12 |
LM3553SD-/NOPB NSC

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 		IC LED DISPLAY DRIVER, DSO12, 3 X 3 MM, 0.80 MM HEIGHT, 0.40 MM PITCH, LEAD FREE, HALOGEN
LM3553SD-HALF NSC

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 		1.2A Dual Flash LED Driver System with I2C Compatible
LM3553SD-NOPB NSC

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 		1.2A Dual Flash LED Driver System with I2C Compatible
LM3553SDX/NOPB TI

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 		具有 I2C 兼容接口的 1.2A 双闪存 LED 驱动器系统 | DQB | 12 |
LM3553SDX-HALF NSC

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 		1.2A Dual Flash LED Driver System with I2C Compatible

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