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LTC3453
TYPICAL APPLICATIO
High Efficiency 4 White LED Driver
4.7 μ H
V IN
1-CELL
Li-Ion
2.2 μ F
V IN
PV IN
SW1
SW2
V OUT
4.7 μ F
30mA
30mA
30mA
30mA
D1
D2
D3
D4
LED1
LED2
V C
1MHz
BUCK-BOOST
LED3
0.1 μ F
10.2k
EN
EN1
EN2
I SET1
I SET2
LTC3453
LED4
D1 TO D4: NICHIA NSCW100
L1: VISHAY DALE IDCS-2512
GND
GND
PGND
3453 TA02
RELATED PARTS
PART NUMBER
LT1618
DESCRIPTION
Constant Current, Constant Voltage 1.4MHz, High Efficiency
COMMENTS
V IN : 1.6V to 18V, V OUT(MAX) = 34V, I Q = 1.8mA, I SD = <1 μ A,
Boost Regulator
LT1930/LT1930A 1A (I SW ), 1.2MHz/2.2MHz, High Efficiency Step-Up
DC/DC Converter
MS10 Package/EDD Package
V IN : 2.6V to 16V, V OUT(MAX) = 34V, I Q = 4.2mA/5.5mA, I SD = <1 μ A,
ThinSOT Package
LT1932
LT1937
LTC3205
LTC3216
LTC3440/
LTC3441
LTC3443
LTC3454
Constant Current, 1.2MHz, High Efficiency White LED
Boost Regulator
Constant Current, 1.2MHz, High Efficiency White LED
Boost Regulator
High Efficiency, Multi-Display LED Controller
1A Low Noise High Current LED Charge Pump with
Independent Flash/Torch Current
600mA/1.2A I OUT , 2MHz/1MHz, Synchronous Buck-Boost
DC/DC Converter
600mA/1.2A I OUT , 600kHz, Synchronous Buck-Boost
DC/DC Converter
1A Synchronous Buck-Boost High Power LED Driver
V IN : 1V to 10V, V OUT(MAX) = 34V, I Q = 1.2mA, I SD = <1 μ A,
ThinSOT Package
V IN : 2.5V to 10V, V OUT(MAX) = 34V, I Q = 1.9mA, I SD = <1 μ A,
ThinSOT Package/SC70 Package
V IN : 2.8V to 4.5V, V OUT(MAX) = 6V, I Q = 50 μ A, I SD = <1 μ A,
QFN-24 Package
V IN : 2.9V to 4.4V, V OUT(MAX) = 5.5V, I Q = 300 μ A, I SD = <2.5 μ A,
DFN Package
V IN : 2.4V to 5.5V, V OUT(MAX) = 5.25V, I Q = 25 μ A/50 μ A, I SD = <1 μ A,
MS-10 Package/DFN Package
V IN : 2.4V to 5.5V, V OUT(MAX) = 5.25V, I Q = 28 μ A, I SD = <1 μ A,
DFN Package
V IN : 2.7V to 5.5V, 1MHz, I SD < 6 μ A, DFN Package
LT3465/LT3465A Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED V IN : 2.7V to 16V, V OUT(MAX) = 34V, I Q = 1.9mA, I SD = <1 μ A,
Boost Regulator with Integrated Schottky Diode ThinSOT Package
LT3466
LT3479
Dual Constant Current, 2MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
3A, Full Featured DC/DC Converter with Soft-Start and
Inrush Current Protection
V IN : 2.7V to 24V, V OUT(MAX) = 40V, I Q = 5mA, I SD = <16 μ A,
DFN Package
V IN : 2.5V to 24V, V OUT(MAX) = 40V, I Q = 6.5mA, I SD = <1 μ A,
DFN Package/TSOPP Package
3453fa
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0206 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2005
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相关代理商/技术参数
LTC3454
制造商:LINER 制造商全称:Linear Technology 功能描述:1A Synchronous Buck-Boost High Current LED Driver
LTC3454EDD
制造商:LINER 制造商全称:Linear Technology 功能描述:1A Synchronous Buck-Boost High Current LED Driver
LTC3454EDD#PBF
功能描述:IC LED DRIVER PHOTO FLASH 10-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
LTC3454EDD#TRPBF
功能描述:IC LED DRIVER PHOTO FLASH 10-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
LTC3454EDDPBF
制造商:Linear Technology 功能描述:LED Driver 1A Buck-Boost 3.3/5V DFN10EP
LTC3455
制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Battery Charger/USB Power Manager
LTC3455EUF
功能描述:IC CONV DC/DC DUAL USBBATT 24QFN RoHS:否 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR
LTC3455EUF#PBF
功能描述:IC CONV DC/DC DUAL USBBATT 24QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR