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参数资料
| 型号： | LT3486EFE#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WHITE BCKLGT 16TSSOP |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 2 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，背光 |
| 类型 - 次要： | 白色 LED |
| 频率： | 200kHz ~ 2.25MHz |
| 电源电压： | 2.5 V ~ 24 V |
| 输出电压： | 36V |
| 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： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
LT3486
TYPICAL APPLICATION
12V to 8/8 White LEDs
12V (TYP)
9V TO 15V
C IN
10μF
L1
10μH
L2
10μH
LED Current and Efficiency
vs PWM Duty Cycle
C OUT1
2.2μF
D1
5V
C1 1μF
D2
C OUT2
2.2μF
90
EFFICIENCY
120
85
100
LUXEON
LEDs
LXCL-PWF1
100mA
V IN
OFF ON
SW1
OVP1
CTRL1
SHDN
PWM1
V IN
LT3486
SW2
OVP2
CTRL2
REF
PWM2
V IN
C REF
0.1μF
LUXEON
LEDs
LXCL-PWF1
100mA
80
75
70
LED CURRENT
80
60
40
PWM
FREQ
1kHz
DIMMING
INPUT 1
Q1
FB1
V C1
3.65k
2.2nF
21.5k
R T
FB2
V C2
22pF
3.65k
2.2nF
Q2
DIMMING
INPUT 2
PWM
FREQ?
1kHz
65
60
0
20
40 60
PWM DUTY CYCLE (%)
20
V IN = 12V
8/8 LEDs
0
80 100
3486 TA10b
C IN : 25V, X5R OR X7R
100k
R FB1 C OUT1 , C OUT2 : 35V, X5R OR X7R
2
C1: 10V, X5R OR X7R
C REF : 6.3V, X5R OR X7R
D1, D2: ZETEX ZLLS1000
L1, L2: TOKO D53LC (TYPE A)
Q1, Q2: FAIRCHILD FDN5630
R FB2
2
3486 TA10a
100k
RELATED PARTS
PART NUMBER
LT1618
LT1932
LT1937
LTC3200
LTC3200-5
LTC3201
LTC3202
LTC3205
LT3465/LT3465A
LT3466
DESCRIPTION
Constant Current, Constant Voltage 1.24MHz, High Efficiency
Boost Regulator
Constant Current, 1.2MHz, High Efficiency White LED Boost
Regulator
Constant Current, 1.2MHz, High Efficiency White LED Boost
Regulator
Low Noise, 2MHz, Regulated Charge Pump White LED Driver
MS Package
Low Noise, 2MHz, Regulated Charge Pump White LED Driver
ThinSOT Package
Low Noise, 1.7MHz, Regulated Charge Pump White LED Driver
MS Package
Low Noise, 1.5MHz, Regulated Charge Pump White LED Driver
MS Package
High Efficiency, Multidisplay LED Controller
Constant Current, 1.2MHz/2.7MHz, High Efficiency White LED
Boost Regulator with Integrated Schottky Diode
Dual Full Function White LED Boost Regulator with Integrated
Schottky Diode
COMMENTS
Up to 16 White LEDs, V IN : 1.6V to 18V, V OUT(MAX) = 34V,
I Q = 1.8mA, I SD < 1μA, MS Package
Up to 8 White LEDs, V IN : 1V to 10V, V OUT(MAX) = 34V,
I Q = 1.2mA, I SD < 1μA, ThinSOT TM Package
Up to 4 White LEDs, V IN : 2.5V to 10V, V OUT(MAX) = 34V,
I Q = 1.9mA, I SD < 1μA, ThinSOT, SC70 Packages
Up to 6 White LEDs, V IN : 2.7V to 4.5V, I Q = 8mA, I SD < 1μA,
Up to 6 White LEDs, V IN : 2.7V to 4.5V, I Q = 8mA, I SD < 1μA,
Up to 6 White LEDs, V IN : 2.7V to 4.5V, I Q = 6.5mA, I SD < 1μA,
Up to 8 White LEDs, V IN : 2.7V to 4.5V, I Q = 5mA, I SD < 1μA,
Up to 4 (Main), 2 (Sub) and RGB, V IN : 2.8V to 4.5V,
I Q = 50μA, I SD < 1μA, QFN-24 Package
Up to Six White LEDs, V IN : 2.7V to 16V, V OUT(MAX) = 34V,
I Q = 1.9mA, I SD < 1μA, ThinSOT Package
Drives Up to 20 LEDs, V IN : 2.7V to 24V, V OUT(MAX) = 40V,
I Q = 5mA, I SD < 16μA, DFN Package
3486fe
20 Linear Technology Corporation
(408) 432-1900 ● FAX : (408) 434-0507 www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 0111 REV E ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2008
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| LT3486IFE#PBF | 功能描述:IC LED DRVR WHITE BCKLGT 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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| LT3486IFE#TRPBF | 功能描述:IC LED DRVR WHITE BCKLGT 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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