收藏本站
LT3478/LT3478-1
TYPICAL APPLICATIO
6W, 6 LEDs at 250mA, Boost LED Driver
V S
8V TO 16V
V IN
3.3V
C1
4.7 μ F
25V
C3
3.3 μ F
10V
V IN
SHDN
V REF
V S
L
L1
10 μ H
SW
OUT
D1
C2
3.3 μ F
25V
R SENSE
0.42 ?
100
95
90
Ef?ciency vs Input V S
V IN = 3.3V
I LED = 250mA
f OSC = 2MHz
PWM DUTY CYCLE = 100%
R1
8.25k
CTRL2
CTRL1
LT3478
LED
250mA
85
R2
OVPSET
80
75
10k
PWM
SS
V C
R T
L1: CDRH6D28
D1: ZLLS1000
Q1: Si2318DS
LEDs: LUXEON I (WHITE)
3.3V
0V
100Hz
C SS
1 μ F
PWM
DIMMING RATIO = 1000:1
R T
C C 10k
0.1 μ F
f OSC = 2MHz
R3
Q1
70
65
60
8
10
6 LEDs = LUXEON I (WHITE)
12 14 16
V S (V)
3478 TA05b
10k
3478 TA05a
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LT1618
LT3003
LT3474
LT3475
LT3476
LT3477
LT3479
LT3486
LTC3783
Constant Current, 1.4MHz, 1.5A Boost Converter with Analog/PWM
Dimming
Three Channel LED Ballaster with 3,000:1 True Color PWM Dimming
36V, 1A (I LED ), 2MHz,Step-Down LED Driver with 400:1 True Color
PWM Dimming
Dual 1.5A(I LED ), 36V, 2MHz,Step-Down LED Driver 3,000:1 True
Color PWM Dimming
Quad Output 1.5A, 2MHz High Current LED Driver with 1,000:1 True
Color PWM Dimming
42V, 3A, 3.5MHz Boost, Buck-Boost, Buck LED Driver with Analog/
PWM Dimming
3A, 3.5MHz Full Featured DC/DC Converter with Soft-Start and
Inrush Current Protection and Analog/PWM Dimming
Dual 1.3A , 2MHz High Current LED Driver with 1,000:1 True Color
PWM Dimming
High Current LED Controller with 3,000:1 True Color PWM Dimming
V IN : 5V to 18V, V OUT(MAX) = 36V, I SD <1μA, MS10 Package
V IN : 3V to 48V, I SD <5μA, MSOP10 Package
V IN : 4V to 36V, V OUT(MAX) = 13.5V, I SD <1μA, TSSOP16E Package
V IN : 4V to 36V, V OUT(MAX) = 13.5V, I SD <1μA, TSSOP20E Package
V IN : 2.8V to 16V, V OUT(MAX) = 36V, I SD <10μA, 5mm × 7mm QFN
Package
V IN : 2.5V to 25V, V OUT(MAX) = 40V, I SD <1μA, QFN, TSSOP20E
Packages
V IN : 2.5V to 24V, V OUT(MAX) = 40V, I SD <1μA, 4mm × 3mm DFN,
TSSOP16E Packages
V IN : 2.5V to 24V, V OUT(MAX) = 36V, I SD <1μA, 5mm × 3mm DFN,
TSSOP16E Packages
V IN : 3V to 36V, V OUT(MAX) = Ext FET, I SD <20μA, 5mm × 4mm
DFN, TSSOP16E Packages
34781f
24 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
●
LT 0107 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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
LT3486EFE#PBF IC LED DRVR WHITE BCKLGT 16TSSOP
LT3491EDC#TRMPBF IC LED DRIVER WHITE BCKLGT 6-DFN
LT3492IFE#TRPBF IC LED DVR HP CONST CURR 28TSSOP
LT3496IUFD#PBF IC LED DRVR WHT/RGB BCKLT 28-QFN
LT3497EDDB#TRMPBF IC LED DRIVR WHITE BCKLGT 10-DFN
LT3498EDDB#TRPBF IC LED DRVR WT/OLED BCKLGT 12DFN
LT3517HUF#PBF IC LED DRIVER AUTOMOTIVE 16-QFN
LT3519EMS-2#PBF IC LED DRVR HP CONST CURR 16MSOP
相关代理商/技术参数
LT3478IFE#TRPBF 功能描述:IC LED DRVR HP CONS CURR 16TSSOP 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
LT3478IFE-1 制造商:LINER 制造商全称:Linear Technology 功能描述:4.5A Monolithic LED Drivers with True Color PWM Dimming
LT3478IFE-1#PBF 功能描述:IC LED DRVR HP CONS CURR 16TSSOP 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
LT3478IFE-1#TRPBF 功能描述:IC LED DRVR HP CONS CURR 16TSSOP 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
LT3479 制造商:LINER 制造商全称:Linear Technology 功能描述:700mA Low Noise High Current LED Charge Pump
LT3479EDE 制造商:Linear Technology 功能描述:Conv DC-DC Single Step Up 2.5V to 24V 14-Pin DFN EP
LT3479EDE#PBF 功能描述:IC REG BOOST INV ADJ 3A 14DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2
LT3479EDE#PBF 制造商:Linear Technology 功能描述:DC-DC CONVERTER CURRENT MODE 制造商:Linear Technology 功能描述:DC-DC CONVERTER, CURRENT MODE, 3.5MHZ, D