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参数资料
| 型号： | LT3478EFE#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 24/24页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR HP CONS CURR 16TSSOP |
| 标准包装： | 95 |
| 恒定电流： | 是 |
| 拓扑： | PWM，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 颜色，白色 LED |
| 频率： | 200kHz ~ 2.25MHz |
| 电源电压： | 2.8 V ~ 36 V |
| 输出电压： | 42V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm）裸露焊盘 |
| 供应商设备封装： | 16-TSSOP-EP |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3478IFE | 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#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:60 系列:- 恒定电流:- 恒定电压:- 拓扑:线性（LDO），PWM，升压（升压） 输出数:8 内部驱动器:是 类型 - 主要:背光 类型 - 次要:RGB，白色 LED 频率:500kHz ~ 1.5MHz 电源电压:4.75 V ~ 26 V 输出电压:45V 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* 工作温度:-40°C ~ 85°C |
| 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 |
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