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LTM8021 PDF预览

LTM8021

更新时间: 2024-01-12 15:58:58
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 198K
描述
36VIN, 500mA Step-Down DC/DC μModule

LTM8021 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, LGA35,5X8,50
针数:35Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.64其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 5V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:36 V
最小输入电压:3 V标称输入电压:10 V
JESD-30 代码:R-PBGA-N35JESD-609代码:e4
长度:11.25 mm湿度敏感等级:3
功能数量:1端子数量:35
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:0.5 A封装主体材料:PLASTIC/EPOXY
封装代码:LGA封装等效代码:LGA35,5X8,50
封装形状:RECTANGULAR封装形式:GRID ARRAY
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:2.92 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:1300 kHz温度等级:AUTOMOTIVE
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:6.25 mm
Base Number Matches:1

LTM8021 数据手册

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LTM8021  
36V , 500mA  
IN  
Step-Down DC/DC µModule  
FEATURES  
DESCRIPTION  
The LTM®8021 is a 36V 500mA, step-down DC/DC  
n
Complete Switch Mode Power Supply  
IN  
μModuleTM. Included in the package are the switching  
controller, power switches, inductor, and all support  
components. Operating over an input voltage range of 3V  
to 36V, the LTM8021 supports an output voltage range of  
0.8V to 5V, set by a single resistor. Only an output and  
bulk input capacitor are needed to finish the design.  
n
Wide Input Voltage Range: 3V to 36V  
n
500mA Output Current  
0.8V to 5V Output Voltage  
n
n
Fixed 1.1MHz Switching Frequency  
n
Current Mode Control  
n
(e4) RoHS Compliant Package with Gold  
Pad Finish  
Programmable Soft-Start  
The low profile package (2.82mm) enables utilization of  
unused space on the bottom of PC boards for high den-  
sity point of load regulation. A built-in soft-start timer is  
adjustable with just a resistor and capacitor.  
n
n
Tiny, Low Profile (11.25mm × 6.25mm × 2.82mm)  
Surface Mount LGA Package  
APPLICATIONS  
The LTM8021 is packaged in a thermally enhanced,  
compact (11.25mm × 6.25mm) and low profile (2.82mm)  
overmolded Land Grid Array (LGA) package suitable  
for automated assembly by standard surface mount  
equipment. The LTM8021 is RoHS compliant.  
n
Automotive Battery Regulation  
n
Power for Portable Products  
n
Distributed Supply Regulation  
Industrial Supplies  
n
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
μModule is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
n
Wall Transformer Regulation  
TYPICAL APPLICATION  
Efficiency and Power Loss  
7VIN to 36VIN, 5V/500mA μModule Regulator  
90  
80  
70  
60  
50  
40  
30  
450  
400  
350  
300  
250  
200  
150  
100  
50  
LTM8021  
V
*
IN  
V
OUT  
5V AT 500mA  
7V TO  
36V  
IN  
OUT  
EFFICIENCY  
BIAS  
RUN/SS  
GND  
ADJ  
19.1k  
1μF  
2.2μF  
POWER  
LOSS  
8021 TA01a  
*RUNNING VOLTAGE RANGE. PLEASE REFER TO THE  
APPLICATIONS INFORMATION SECTION FOR START-UP DETAILS.  
0
1.00  
10.00  
100.00  
1000.00  
LOAD CURRENT (mA)  
8021 TA01b  
8021fb  
1

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