LT3491
TYPICAL APPLICATIO S
Li-Ion Driver for Three White LEDs
Efficiency
SHUTDOWN AND
DIMMING CONTROL
CTRL
80
75
70
V IN = 3.6V
3 LEDs
V IN
3V TO 5V
L1
10 μ H
V IN
LT3491
CAP
R SENSE
10 ?
65
60
C1
1 μ F
SW
GND
LED
C2
1 μ F
55
50
45
40
3491 TA04a
35
C1: TAIYO YUDEN LMK212BJ105MD
0
2
4
6 8 10 12 14 16 18 20
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH32CN100
Li-Ion Driver for Five White LEDs
LED CURRENT (mA)
Efficiency
3491 TA04b
SHUTDOWN AND
DIMMING CONTROL
CTRL
80
75
70
V IN = 3.6V
5 LEDs
V IN
3V TO 5V
V IN
CAP
65
L1
10 μ H
C1
1 μ F
SW
LT3491
GND
LED
R SENSE
10 ?
C2
1 μ F
60
55
50
45
40
35
0
2
4
6 8 10 12 14 16 18 20
LED CURRENT (mA)
3491 TA05a
3491 TA05b
C1: TAIYO YUDEN LMK212BJ105MD
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH32CN100
3491fa
14
相关PDF资料
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
LT3590ESC8#TRMPBF IC LED DRVR WHITE BCKLGT SC-70-8
LT3591EDDB#TRMPBF IC LED DRIVER WHITE BCKLGT 8-DFN
相关代理商/技术参数
LT3491EDC#TRPBF 功能描述:IC LED DRIVER WHITE BCKLGT 6-DFN 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
LT3491ESC8 制造商:Linear Technology 功能描述:LED DRVR 6Segment 3.3V/5V/9V 8-Pin SC-70
LT3491ESC8#PBF 制造商:Linear Technology 功能描述:LED DRVR 6Segment 3.3V/5V/9V 8-Pin SC-70 制造商:Linear Technology 功能描述:LED DRIVER 2.5-12V 2.3MHZ 5
LT3491ESC8#TR 制造商:Linear Technology 功能描述:LED DRVR 6Segment 3.3V/5V/9V 8-Pin SC-70 T/R
LT3491ESC8#TRMPBF 功能描述:IC LED DRVR WHITE BCKLGT SC-70-8 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
LT3491ESC8#TRPBF 功能描述:IC LED DRVR WHITE BCKLGT SC-70-8 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
LT3492 制造商:LINER 制造商全称:Linear Technology 功能描述:60V Triple Step-Down LED Driver Programmable Temperature Protection
LT3492EFE 制造商:LINER 制造商全称:Linear Technology 功能描述:Triple Output LED Driver with 3000:1 PWM Dimming