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LT3595EUHH-PBF PDF预览

LT3595EUHH-PBF

更新时间： 2024-01-05 10:18:51
品牌 Logo 应用领域
凌特 - Linear 驱动器
页数 文件大小 规格书
16页 360K
描述
16 Channel Buck Mode LED Driver

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中文翻译

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LT3595EUHH-PBF 技术参数

是否无铅： 含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVQCCN,
针数：56Reach Compliance Code：compliant
风险等级：5.4数据输入模式：SERIAL
接口集成电路类型：LED DISPLAY DRIVERJESD-30 代码：R-PQCC-N56
JESD-609代码：e3长度：9 mm
湿度敏感等级：1复用显示功能：NO
功能数量：1区段数：16
端子数量：56最高工作温度：85 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装代码：HVQCCN封装形状：RECTANGULAR
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：0.8 mm
最大供电电压：5.5 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
温度等级：COMMERCIAL EXTENDED端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.4 mm
端子位置：QUAD处于峰值回流温度下的最长时间：30
宽度：5 mmBase Number Matches：1

LT3595EUHH-PBF 数据手册

 浏览型号LT3595EUHH-PBF的Datasheet PDF文件第2页浏览型号LT3595EUHH-PBF的Datasheet PDF文件第3页浏览型号LT3595EUHH-PBF的Datasheet PDF文件第4页浏览型号LT3595EUHH-PBF的Datasheet PDF文件第5页浏览型号LT3595EUHH-PBF的Datasheet PDF文件第6页浏览型号LT3595EUHH-PBF的Datasheet PDF文件第7页 
LT3595  
16 Channel  
Buck Mode LED Driver  
FEATURES  
DESCRIPTION  
The LT®3595 is a high performance LED Driver designed  
to drive sixteen independent channels of up to 10 LEDs  
at currents up to 50mA. Series connection of the LEDs  
providesidenticalLEDcurrentsresultinginuniformbright-  
ness.Powerswitches,Schottkydiodes,andcompensation  
components are all internal, providing a small converter  
footprint and lower component cost. The high 2MHz  
switching frequency permits the use of tiny, low profile  
inductors and capacitors. A fixed frequency, current mode  
architecture results in stable operation over a wide range  
of supply and output voltage.  
■
4.5V to 45V Input Supply Range  
■
Up to 50mA LED Current per Channel  
■
100mA, 45V Internal Switches  
■
8% Relative LED Current Match at 20mA  
■
16 Independent LED Channels  
5000:1 True Color PWMTM Dimming Range  
■
■
LEDs Disconnected in Shutdown  
■
Internal Schottky Diodes  
■
Low Quiescent Current  
■
2MHz Switching Frequency  
■
R
Pin Sets Master LED Current  
SET  
■
■
■
Typical Efficiency: 92%  
AsingleexternalresistorsetstheLEDcurrentforallsixteen  
channels,anddimmingisthencontrolledforeachchannel  
by pulse width modulating the individual PWM pins. Rela-  
tivecurrentmatchingamongthesixteendriversis8%and  
the PWM dimming range is 5000:1. The part is available  
in a 5mm × 9mm × 0.75mm 56-pin QFN package.  
Open LED Detection and Thermal Protection  
56-Pin 5mm × 9mm × 0.75mm QFN Package  
APPLICATIONS  
■
LED Video Billboards  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
True Color PWM is a trademark of Linear Technology Corporation. All other trademarks are  
the property of their respective owners.  
■
LCD Televisions  
■
Stadium and Advertising Displays  
TYPICAL APPLICATION  
16-Channel LED Driver (Three LEDs per Channel), 20mA Current  
5000:1 PWM  
Dimming at 100Hz  
V
IN  
15V TO  
0.47μF  
0.47μF  
0.47μF  
0.47μF 0.47μF  
0.47μF  
0.47μF  
0.47μF  
45V  
10μF  
V
PWM  
5V/DIV  
V
CC  
I
SW  
20mA/DIV  
100k  
L1 SW1  
OPENLED  
PWM1  
PWM2  
PWM3  
PWM4  
PWM5  
PWM6  
PWM7  
PWM8  
SHDN  
L2  
SW2  
SW3  
L3  
SW4  
L4  
L5  
SW5 L6 SW6  
SW7 L7  
SW8 L8  
PWM9  
PWM10  
PWM11  
PWM12  
PWM13  
PWM14  
PWM15  
PWM16  
GND  
I
LED  
10mA/DIV  
LED  
LED  
BRIGHTNESS  
CONTROL  
BRIGHT-  
NESS  
LT3595  
3595 TA01b  
400ns/DIV  
CONTROL  
V
= 15V  
T = 10ms  
= 2μs  
IN  
3 LEDS AT 20mA  
T
ON  
V
CC  
V
R
SET  
3V TO  
5.5V  
CC  
L16 SW16 L15 SW15  
V
SW14 L14 SW13 L13  
L12 SW12 L11 SW11 V SW10 L10 SW9 L9  
IN  
IN  
10μF  
0.47μF  
0.47μF  
0.47μF  
0.47μF 0.47μF  
0.47μF  
0.47μF  
0.47μF  
3595 TA01  
3595f  
1
1234567...16

中文翻译

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