参数资料
型号: LTC3452EUF#TRPBF
厂商: Linear Technology
文件页数: 16/16页
文件大小: 0K
描述: IC LED DRIVER PHOTO FLASH 20-QFN
标准包装: 2,500
拓扑: PWM,降压(降压),升压(升压)
输出数: 7
内部驱动器:
类型 - 主要: 背光,闪灯/白光
类型 - 次要: 白色 LED
频率: 900kHz ~ 1.1MHz
电源电压: 2.7 V ~ 5.5 V
输出电压: 4.5V
安装类型: 表面贴装
封装/外壳: 20-WFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(4x4)
包装: 带卷 (TR)
工作温度: -40°C ~ 85°C
LTC3452
TYPICAL APPLICATIO
4 × 20mA White LED Display + 2 × 150mA Camera Light Driver
V IN
L
4.7 μ H
3V TO 5.5V
2.2 μ F
150mA
150mA
4.7 μ F
V IN
PV IN SW1
SW2
V OUT
D1
D2
EN H
EN H
I SETH
4.02k
LED H1
LED H2
D3
EN L
V C
0.1 μ F
EN L
1MHz
BUCK/BOOST
LTC3452
LED L1 , 20mA
LED L2 , 20mA
LED L3 , 20mA
LED L4 , 20mA
D4
D5
D6
LOW
POWER
LED
BANK
I SETL
10.2k
LED L5 , UNUSED
D1, D2: AOT 2015
D3-D6: NICHIA NSCW100
GND
GND
PGND
EXPOSED PAD
L: COILCRAFT D03314-472
3452 TA02a
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V IN : 2.6V to 16V, V OUT(MAX) = 34V, I Q = 4.2mA/5.5mA, I SD = <1 μ A,
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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 : 2.9V 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, V OUT(MAX) = 4.5V, I Q = 600 μ A, I SD = 6 μ A,
QFN-16 Package
V IN : 2.7V to 5.5V, V OUT(MAX) = 5.15V, I Q = 825 μ A, I SD = 0 μ A,
DFN Package
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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
3452f
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
LT 0406 ? PRINTED IN THE USA
? LINEAR TECHNOLOGY CORPORATION 2006
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