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LTM8042EV#PBF PDF预览

LTM8042EV#PBF

更新时间: 2024-09-23 19:57:11
品牌 Logo 应用领域
凌特 - Linear 驱动接口集成电路
页数 文件大小 规格书
32页 266K
描述
LTM8042/LTM8042-1 - µModule (Power Module) Boost LED Driver and Current Source; Package: LGA; Pins: 77; Temperature Range: -40°C to 85°C

LTM8042EV#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:LGA包装说明:LGA, LGA77,7X11,50
针数:77Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:4.36接口集成电路类型:LED DISPLAY DRIVER
JESD-30 代码:R-PBGA-N77JESD-609代码:e4
长度:15 mm湿度敏感等级:3
复用显示功能:NO功能数量:1
区段数:8端子数量:77
最高工作温度:125 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:LGA
封装等效代码:LGA77,7X11,50封装形状:RECTANGULAR
封装形式:GRID ARRAY峰值回流温度(摄氏度):245
电源:5 V认证状态:Not Qualified
座面最大高度:2.92 mm子类别:Display Drivers
最大供电电压:30 V最小供电电压:3 V
标称供电电压:5 V表面贴装:YES
技术:BIPOLAR温度等级:OTHER
端子面层:Gold (Au)端子形式:NO LEAD
端子节距:1.27 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:30宽度:9 mm
Base Number Matches:1

LTM8042EV#PBF 数据手册

 浏览型号LTM8042EV#PBF的Datasheet PDF文件第2页浏览型号LTM8042EV#PBF的Datasheet PDF文件第3页浏览型号LTM8042EV#PBF的Datasheet PDF文件第4页浏览型号LTM8042EV#PBF的Datasheet PDF文件第5页浏览型号LTM8042EV#PBF的Datasheet PDF文件第6页浏览型号LTM8042EV#PBF的Datasheet PDF文件第7页 
LTM8042/LTM8042-1  
µModule Boost LED Driver  
and Current Source  
FEATURES  
DESCRIPTION  
n
True Color PWM™ with 3000:1 Dimming Ratio  
The LTM®8042 is a complete μModule® Boost LED Driver  
specifically designed to drive LEDs up to 1A, while the  
LTM8042-1 drives up to 350mA. It combines a boost  
power topology with a unique current loop to operate as  
a constant-current source. The PWM input provides as  
muchas3000:1LEDdimming,while10:1analogdimming  
canbeaccomplishedbyasingleresistororanalogvoltage  
applied to the CTL pin. As with any boost topology, the  
LTM8042/LTM8042-1 has an uninterrupted current path  
between its input and output and is thus intolerant to a  
short-circuit or overload from the output to ground.  
n
Operates in Boost, Buck Mode or Buck-Boost Mode  
Wide Input Voltage Range:  
n
Operation from 3V to 30V  
Transient Protection to 40V  
n
Gate Driver for Optional PWM Dimming with  
P-channel MOSFET  
Adjustable Frequency: 250kHz to 2MHz  
n
n
Constant-Current and Constant-Voltage Regulation  
n
Low Shutdown Current: <1ꢀA  
n
RoHS Compliant Package with Gold Pad Finish  
n
Tiny, Low Profile (9mm × 15mm × 2.82mm)  
# WHITE LEDS LED CURRENT  
12V  
24V  
IN  
IN  
Surface Mount LGA Package  
6
7
8
9
1A  
LTM8042  
350mA  
1A  
LTM8042-1  
APPLICATIONS  
LTM8042  
350mA  
LTM8042-1  
n
Display Backlighting  
n
Automotive and Avionic Lighting  
The LTM8042/LTM8042-1 is packaged in a thermally  
enhanced, compact overmolded land grid array (LGA)  
package. The LTM8042/LTM8042-1 is Pb-free and a RoHS  
compliant.  
n
Illumination  
Scanners  
n
L, LT, LTC, LTM, Linear Technology, the Linear logo and μModule are registered trademarks  
and True Color PWM is a trademark of Linear Technology Corporation. All other trademarks are  
the property of their respective owners.  
TYPICAL APPLICATION  
μModule Boost LED Driver, Driving 8 White LEDs at 1A  
Efficiency vs VIN  
97  
96  
95  
94  
93  
92  
91  
90  
89  
88  
UP TO 26.8V  
V
IN  
V
CC  
LTM8042  
16V TO 26V  
+
LED  
RUN  
TG  
BSTIN/BKLED  
BSTOUT/BKIN  
PWM  
SYNC  
TGEN  
1A  
SS  
RT  
4.7μF  
GND CTL  
4.7μF  
33.2k  
= 550kHz  
87  
f
16 17 18 19 20 21 22 23 24 25 26  
SW  
V
IN  
(V)  
80421 TA01b  
80421 TA01a  
80421fa  
1

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