收藏本站
LT3743
REVISION HISTORY
REV
A
B
C
D
DATE
2/10
8/10
9/11
11/12
DESCRIPTION
Revised Features and Typical Application
Updated Electrical Characteristics values
Revised values on curves G32 and G33 in the Typical Performance Characteristics section
Revised the Block Diagram
Changed value in equation and made minor text edit in the Inductor Selection section
Revised Table 4 values
Added text to Average Current Mode Control Compensation and Board Layout Considerations sections in the
Applications Information section
Revised all Typical Applications drawings
Updated Electrical Characteristics values and conditions
Revised Pin Functions
Revised Block Diagram
Changed soft-start current in Operation section
Revised units for M1 and M2 equations
Removed 0.1MHz switching frequency from Table 4
Added text to Switching Frequency Synchronization, Shutdown and UVLO sections in the Applications
Information section
Corrected M2 and M3 part numbers on Typical Applications drawings
Revised Feedback Regulation Voltage listing in Electrical Characteristics section
Clarified V CL and V CH pins
Clarified Regulated Current vs V FB graph
Clarified Minimum Off-Time graph
PAGE NUMBER
1
3, 4
8
11
13
18
20
21 to 25, 28
3, 4
9, 10
11
12
14
18
19
24, 28
3
1, 2, 9, 11, 21-24
6
7
3743fd
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
27
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
LT3745IUJ#TRPBF IC LED DVR 16CH 50MA 40QFN
LT3746IUHH#TRPBF IC LED DRIVER 32CHANNEL 56-QFN
LT3754IUH#TRPBF IC LED DVR 16CH 50MA 32QFN
LT3755EMSE#PBF IC LED DRVR HP CONS CURR 16-MSOP
LT3760EFE#PBF IC LED DVR WHT/CLR BCKLT 28TSSOP
LT3799IMSE#PBF IC LED DRIVER TRIAC DIM 16-MSOP
LT3956EUHE#PBF IC LED DVR BUCK BOOST 36-VQFN
LTC3201EMS#TRPBF IC LED DRVR WHITE BCKLGT 10-MSOP
相关代理商/技术参数
LT3743EFE#PBF 制造商:Linear Technology 功能描述:IC LED DRIVER BUCK TSSOP-28
LT3743EFE#TRPBF 功能描述:IC LED DVR SYNC STEPDOWN 28TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
LT3743EFEPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:High Current Synchronous Step-Down LED Driver with Three-State Control
LT3743EFETRPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:High Current Synchronous Step-Down LED Driver with Three-State Control
LT3743EUFD#PBF 功能描述:IC LED DRVR HP CONST CURR 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压（升压），切换式电容器（充电泵） 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C
LT3743EUFD#PBF 制造商:Linear Technology 功能描述:IC LED DRIVER BUCK QFN-28 制造商:Linear Technology 功能描述:IC, LED DRIVER, BUCK, QFN-28
LT3743EUFD#TRPBF 功能描述:IC LED DVR SYNC STEP-DOWN 28QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 标准包装:6,000 系列:- 恒定电流:- 恒定电压:- 拓扑:开路漏极，PWM 输出数:4 内部驱动器:是 类型 - 主要:LED 闪烁器 类型 - 次要:- 频率:400kHz 电源电压:2.3 V ~ 5.5 V 输出电压:- 安装类型:表面贴装 封装/外壳:8-VFDFN 裸露焊盘 供应商设备封装:8-HVSON 包装:带卷 (TR) 工作温度:-40°C ~ 85°C 其它名称:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND
LT3743EUFDPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:High Current Synchronous Step-Down LED Driver with Three-State Control