Datasheet Linear Technology LT3909 — 数据表

制造商	Linear Technology
系列	LT3909

2串×60mA，2MHz升压型LED驱动器，电流匹配度为±2％

数据表

PDF, 1.4 Mb, 修订版: B, 文件上传: Oct 4, 2017

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	LT3909EDD#PBF	LT3909EDD#TRPBF	LT3909EMSE#PBF	LT3909EMSE#TRPBF	LT3909IDD#PBF	LT3909IDD#TRPBF	LT3909IMSE#PBF	LT3909IMSE#TRPBF
N	1	2	3	4	5	6	7	8
Package	3x3 DFN-12 包装外形图	3x3 DFN-12 包装外形图	MS-12E 包装外形图	MS-12E 包装外形图	3x3 DFN-12 包装外形图	3x3 DFN-12 包装外形图	MS-12E 包装外形图	MS-12E 包装外形图
Package Code	DD	DD	MSE	MSE	DD	DD	MSE	MSE
Package Index	05-08-1725	05-08-1725	05-08-1666	05-08-1666	05-08-1725	05-08-1725	05-08-1666	05-08-1666
Pin Count	12	12	12	12	12	12	12	12

参数化

Parameters / Models	LT3909EDD#PBF	LT3909EDD#TRPBF	LT3909EMSE#PBF	LT3909EMSE#TRPBF	LT3909IDD#PBF	LT3909IDD#TRPBF	LT3909IMSE#PBF	LT3909IMSE#TRPBF
Architecture	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode	Constant Frequency Current Mode
Demo Boards	DC2176A	DC2176A	DC2176A	DC2176A	DC2176A	DC2176A	DC2176A	DC2176A
Design Tools	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File	LTspice File
Dimming	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog	40,000:1 PWM, 10:1 Analog
Export Control	no	no	no	no	no	no	no	no
Features	Integrated Schottky	Integrated Schottky	Integrated Schottky	Integrated Schottky	Integrated Schottky	Integrated Schottky	Integrated Schottky	Integrated Schottky
Frequency, kHz	2000	2000	2000	2000	2000	2000	2000	2000
Ishutdown, µA	0.3	0.3	0.3	0.3	0.3	0.3	0.3	0.3
Isupply, mA	0.6	0.6	0.6	0.6	0.6	0.6	0.6	0.6
Max Number of LEDs	2 x 10	2 x 10	2 x 10	2 x 10	2 x 10	2 x 10	2 x 10	2 x 10
Monolithic	yes	yes	yes	yes	yes	yes	yes	yes
Number of Outputs	2	2	2	2	2	2	2	2
Operating Temperature Range, °C	0 to 85	0 to 85	0 to 85	0 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85
Switch Current, A	1.1	1.1	1.1	1.1	1.1	1.1	1.1	1.1
Synchronous	no	no	no	no	no	no	no	no
Topology	Boost, LED Driver	Boost, LED Driver	Boost, LED Driver	Boost, LED Driver	Boost, LED Driver	Boost, LED Driver	Boost, LED Driver	Boost, LED Driver
Vin Max, V	40	40	40	40	40	40	40	40
Vin Min, V	2.9	2.9	2.9	2.9	2.9	2.9	2.9	2.9
Vout Max, V	36	36	36	36	36	36	36	36

生态计划

	LT3909EDD#PBF	LT3909EDD#TRPBF	LT3909EMSE#PBF	LT3909EMSE#TRPBF	LT3909IDD#PBF	LT3909IDD#TRPBF	LT3909IMSE#PBF	LT3909IMSE#TRPBF
RoHS	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant	Compliant

模型线

系列: LT3909 (8)

LT3909EDD#PBF LT3909EDD#TRPBF LT3909EMSE#PBF LT3909EMSE#TRPBF LT3909IDD#PBF LT3909IDD#TRPBF LT3909IMSE#PBF LT3909IMSE#TRPBF

制造商分类

Power Management > LED Driver ICs > Step-Up (Boost) LED Drivers
Space & Harsh Environment > Extended Temperature Plastic (H & MP) > Extended Temperature (H & MP) LED Drivers

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