LT3743

所属类别：LED驱动
产品名称：具三态控制功能的高电流、同步降压型 LED 驱动器
厂商：LT
生产批号：11+
封装：QFN-28, TSSOP-28
库存状态：有库存
库存量：2000
最低订购量：1
详细资料：

Product Introduction

LT3743

High-current, synchronous step-down LED driver with three-state control

peculiarity

PWM 调光提供高达 3000:1 的调光比
CTRL_SEL 调光在任何电流之间提供高达 3000:1 的调光比
用于色彩混合的三态电流控制
±6% 的电流调节准确度
6V 至 36V 输入电压范围
平均电流模式控制
任何电流调节状态之间的最大恢复时间为 2μs
输出电压调节和开路 LED 保护
耐热性能增强型 4mm x 5mm QFN 封装和 28 引脚 FE 封装

description

®The LT 3743 is a fixed-frequency, synchronous step-down DC/DC controller designed to drive high-current LEDs. The average current mode controller will maintain the inductor current regulation over a wide output voltage range of 0V to (VIN – 2V). LED dimming utilizes analog dimming on the CTRL_L, CTRL_H, and CTRL_T pins, as well as PWM dimming on the PWM and CTRL_SEL pins. By employing an externally switched load capacitor, the LT3743 is able to change the regulated LED current level in a matter of μs, providing accurate and high-speed PWM dimming between the two current levels. The switching frequency can be set from 200kHz to 1MHz via an external resistor on the RT pin.

Other features of the device include voltage regulation and overvoltage protection (set by using a voltage divider connected between the output and the FB pin). Overcurrent protection is provided and set by the CTRL_H pin.

apply

DLP 投影机
高功率建筑照明
激光二极管

The ICs associated with the LT3743 include:

Model	Manufacturers	lot number	encapsulation	illustrate
LT3743	LT	11+	QFN-28, TSSOP-28	High-current, synchronous step-down LED driver with three-state control
DM537435076	ITT Cannon	10+		Conn Contact RCP 1 POS Solder RA Cable Mount 1Terminal 1Port Loose
DM5374316	ITT Cannon	10+		Conn Contact RCP 1 POS Crimp RA Cable Mount 1Terminal 1Port Loose
053743-5076	ITT Cannon	10+		053743-5076 249
053743-0016	ITT Cannon	10+		053743-0016 1261
923743-40-R	3M	10+		DIP
923743-40-1	3M	10+		DIP
923743-40	3M	10+		DIP
923743-28-I	3M	10+		DIP
923743-28	3M	10+		DIP
923743-24-I	3M	10+		DIP
923743-24	3M	10+		DIP
923743-20	3M	10+		DIP
923743-18	3M	10+		DIP
923743-16-I	3M	10+		DIP
923743-14	3M	10+		DIP
923743-08	3M	10+		DIP
LM3743MMX-1000	NSC	11+	MINI SOIC	High-performance synchronous step-down controller
LM3743MM	NSC	08+	REEL	High-performance synchronous step-down controller
LM3743MMX	NSC	11+	MINI SOIC	High-performance synchronous step-down controller

Popular searches

Model	Manufacturers	lot number	encapsulation	illustrate
V93BR	Mors Smitt	24+	connector	V93BR socket - screw terminals, rail mount 8 poles
V17-D	MORSSMITT	24+	Relays	The relay socket has spring terminals
VGE1TS181900L	SOURIAU-SUNBANK	24+	connector	Circular MIL Spec Backshells BACKSHELL SZ18
KEYSTONE26	Keystone Electronics	24+	connector	EYELET 0.187" BRASS TIN PLATED
KPSE06E14-19SA206	ITT	24+	connector	Conn Circular SKT 19 POS Crimp ST Cable Mount 19 Terminal 1 Port
KPSE06J14-19P	ITT	24+	connector	Circular MIL Spec Connector KPSE 19C 19#20 PIN PLUG
W-1-005-4STUD	T&M	24+	DIP	SERIES W - Stud Input - 4 Stud Type
ABBH2214SDAM	AB Connectors	2024+	connector	Connector tailpipe
C193A/24EV-U1	Schaltebao	25+	DIP	Voltage 1100v electric current 50A contactor/advantage channel fast delivery
C195A/24EC-U2	Schaltebao	25+	DIP	Contactor/Advantage channel fast delivery
D-U204-E	Mors Smitt	24+	DIP	Instantaneous relays
PW620-18d/2S/R/KS135	FSG	24+	DIP	Stellungsferngeber position sensor potentiometer
ST1-DC12V-F	Panasonic Electronic Components	24+	DIP	Power Relay 12VDC 5DC/8AAC SPST-NO/SPST-NC(31mm 14mm 11.3mm) THT
MER1S1505SC	Murata Power Solutions	24+	DIP	DC DC CONVERTER 5V 1W
P783-Q24-S5-S	CUI Inc	24+	DIP	DC DC CONVERTER 5V 15W
9001-18321C00A	Oupiin	24+	connector	DIN41612 Half R Female 48 Pin
9001-18481C00A	Oupiin	24+	connector	DIN41612 Half R Female 48 Pin
CIR013106T01031819SCNP0406	ITT Interconnect Solutions	2023+	connector	Standard Circular Connector
CIR013106T01031819SCYP0406	ITT Interconnect Solutions	24+	connector	Standard Circular Connector
110IMX35D12D12-8G	Bel Power Solutions	24+	Relays	DC DC CONVERTER 12V 12V 12V 35W

LT brand product recommendation

Model	Manufacturers	lot number	encapsulation	illustrate
LT3741	LT	11+	QFN-20	High-power, constant current, constant voltage, step-down controller
LT3599	LT	11+	QFN-32, TSSOP-28	A four-channel 120mA LED driver with ±1.5% current matching accuracy
LT3598	LT	11+	QFN-24	6 strings of 30mA LED drivers with 1.5% current matching accuracy
LT3597	LT	11+	QFN	60V, three-channel step-down LED driver
LT3596	LT	11+	QFN	60V, step-down LED driver
LTC6992HDCB-1	LT	11+	QFN	Microprocessor Supervisory Circuit (Microprocessor Supervisory Circuit)
LT3592	LT	11+	DFN-10, MS-10	500mA wide input voltage range step-down LED driver with 10:1 dimming ratio
LT3591	LT	11+	DFN-8	White LED driver in a 3mm x 2mm DFN package with integrated Schottky
LT3590	LT	11+	SC70, DFN-6	70V buck-mode LED driver in SC2 and 2mm x 48mm DF N packages
LT3519	LT	11+	MS-16	LT3519-1 / LT3519-2 - LED driver with integrated Schottky diode
LT3518	LT	11+	QFN-16	Full-featured LED driver with 2.3A switching current
LT3517	lt	11+	QFN-16, TSSOP-16	Full-featured LED driver with 1.5A switching current
LT3497	LT	11+	DFN-10	Dual-function all-white light-emitting diode driver integrates Schottky diode
LT3492	LT	11+	QFN-28, TSSOP-28	Triple output LED driver with 3000:1 PWM dimming ratio
LT3491	LT	11+	DFN	White LED driver with integrated Schottky diode in SC70 and 2mm x 2mm DFN package
LT3474	LT	11+	TSSOP-16	Step-down 1A LED driver
LT3466	LT	11+	DFN	Full-featured white LED output boost converter with built-in Schottky diode
LT3465	LT	11+	ThinSOT	The 1.2MHz/2.4MHz white LED boost converter has built-in Schottky in ThinSOT
LT3003	LT	10+	MS-10E	Three-channel LED Ballaster and PWM
LT1932	LT	11+	ThinSOT	DC/DC LED driver in a constant current thinSOT package

LT3743

peculiarity

description

apply

The ICs associated with the LT3743 include:

Popular searches

LT brand product recommendation

Taxonomic search

Related Links