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参数资料
| 型号： | LT3519EMS-1#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 20/20页 |
| 文件大小： | 0K |
| 描述： | IC LED DRV HP CONST CURR 16MSOP |
| 标准包装： | 2,500 |
| 恒定电流： | 是 |
| 恒定电压： | 是 |
| 拓扑： | PWM，SEPIC，降压（降压），升压（升压） |
| 输出数： | 1 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载 |
| 频率： | 800kHz ~ 1.1MHz |
| 电源电压： | 3 V ~ 30 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TFSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 16-MSOP |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
LT3519/LT3519-1/LT3519-2
TYPICAL APPLICATIONS
SEPIC 150mA LED Driver
L1A
68μH
C3
2.2μF
L1B
68μH
V IN
4V TO 24V
C1
?
?
1μF
1M
SW ANODE CATHODE
V IN ISP
V OUT
R SENSE
1.65Ω
C2
4.7μF
100k
SHDN /UVLO
ISN
C1: TDK C3216X7R1H105K
1M
158k
432k
V REF
CTRL
LT3519
FB
1M
69.8k
16V LED
150mA
C2: TDK C3216X7R1E475K
C3: TDK C3216X7R1E225K
L1: COILTRONICS DRQ74-680-R (COUPLED INDUCTOR)
M1: VISHAY SILICONIX Si2318DS
NOTE:
V IN = 6V RISING TURN ON
OPENLED
GND
Waveforms for LED Shorted to Ground
I L1A +I L1B
PWM
PWM
5V
M1
3519 TA07a
V IN = 4V FALLING UVLO
V IN > 9V FULL LED CURRENT AND FOLDBACK BELOW
V OUT 18.5V OVERVOLTAGE PROTECTION
Ef?ciency vs V IN
88
86
0.2A/DIV
84
I LED
0.1A/DIV
I LED_SHORTED
0.5A/DIV
82
80
78
V IN = 12V
50μs/DIV
3519 TA07b
76
74
4
8
12
16
20
24
V IN (V)
3519 TA07c
RELATED PARTS
PART NUMBER
LT1618
DESCRIPTION
Constant-Current, Constant-Voltage 1.24MHz, High
COMMENTS
Up to 16 White LEDs, V IN : 1.6V to 18V, V OUT(MAX) = 34V, I Q = 1.8mA,
Ef?ciency Boost Regulator
LT3466/LT3466-1 Dual Full Function, 2MHz Diodes White LED Step-Up
Converter with Built-In Schottkys
LT3486 Dual 1.3A White LED Converter with 1000:1 True Color
PWM Dimming
LT3491 2.3MHz White LED Driver with Integrated Schottky Diode
I SD < 1μA, MS Package
Up to 20 White LEDs, V IN : 2.7V to 24V, V OUT(MAX) = 39V, DFN/TSSOP-16
Packages
Drives Up to 16 100mA White LEDs. V IN : 2.5V to 24V, V OUT(MAX) = 36V,
DFN/TSSOP Packages
Drives Up to 6 LEDs. V IN : 2.5V to 12V, V OUT(MAX) = 27V, SC70/DFN
Packages
LT3497
LT3517
LT3518
LT3591
Dual Full Function 2.3MHz LED Driver with 250:1 True
Color PWM Dimming with Integrated Schottky Diodes
Full-Featured LED Driver with 1.5A Switch Current
Full-Featured LED Driver with 2.3A Switch Current
Constant-Current, 1MHz, High Ef?ciency White LED
Step-Up Converter with Built-in Schottkys
Drives Up to 12 LEDs. V IN : 2.5V to 10V, V OUT(MAX) = 32V, 3mm × 2mm
DFN Package
V IN : 3V to 40V, V OUT(MAX) = 45V, Dimming = 5.000:1 True Color PWM,
I SD < 1μA, 4mm × 4mm QFN and TSSOP Packages
V IN : 3V to 40V, V OUT(MAX) = 45V, Dimming = 3.000:1 True Color PWM,
I SD < 1μA, 4mm × 4mm QFN and TSSOP Packages
Up to 10 White LEDs, V IN : 2.5V to 12V, V OUT(MAX) = 45V, 3mm × 2mm DFN
Package
3519fa
20 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 1109 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2009
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT3519EMS-2#PBF | 功能描述:IC LED DRVR HP CONST CURR 16MSOP 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 |
| LT3519EMS-2#PBF | 制造商:Linear Technology 功能描述:IC LED DRIVER BOOST MSOP-16 |
| LT3519EMS-2#TRPBF | 功能描述:IC LED DRV HP CONST CURR 16MSOP 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 |
| LT3519EMSPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:LED Driver with Integrated Schottky Diode |
| LT3519EMSTRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:LED Driver with Integrated Schottky Diode |
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