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LT1936EMS8E PDF预览

LT1936EMS8E

更新时间: 2024-10-02 22:51:47
品牌 Logo 应用领域
凌特 - Linear 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
20页 321K
描述
1.4A, 500kHz Step-Down Switching Regulator

LT1936EMS8E 技术参数

是否Rohs认证: 不符合生命周期:Transferred
零件包装代码:MSOP包装说明:HTSSOP, TSSOP8,.19
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.1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:3.6 V
标称输入电压:12 VJESD-30 代码:S-PDSO-G8
JESD-609代码:e0长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:最大输出电流:2.6 A
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装等效代码:TSSOP8,.19封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):235
认证状态:Not Qualified座面最大高度:1.1 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:600 kHz
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:20
宽度:3 mmBase Number Matches:1

LT1936EMS8E 数据手册

 浏览型号LT1936EMS8E的Datasheet PDF文件第2页浏览型号LT1936EMS8E的Datasheet PDF文件第3页浏览型号LT1936EMS8E的Datasheet PDF文件第4页浏览型号LT1936EMS8E的Datasheet PDF文件第5页浏览型号LT1936EMS8E的Datasheet PDF文件第6页浏览型号LT1936EMS8E的Datasheet PDF文件第7页 
LT1936  
1.4A, 500kHz Step-Down  
Switching Regulator  
U
FEATURES  
DESCRIPTIO  
The LT®1936 is a current mode PWM step-down DC/DC  
converter with an internal 1.9A power switch, packaged in  
a tiny, thermally enhanced 8-lead MSOP. The wide input  
range of 3.6V to 36V makes the LT1936 suitable for  
regulating power from a wide variety of sources, including  
automotive batteries, 24V industrial supplies and unregu-  
lated wall adapters. Its high operating frequency allows  
the use of small, low cost inductors and ceramic capaci-  
tors, resulting in low, predictable output ripple.  
Wide Input Range: 3.6V to 36V  
Short-Circuit Protected Over Full Input Range  
1.9A Guaranteed Minimum Switch Current  
5V at 1.4A from 10V to 36V Input  
3.3V at 1.4A from 7V to 36V Input  
5V at 1.2A from 6.3V to 36V Input  
3.3V at 1.2A from 4.5V to 36V Input  
Output Adjustable Down to 1.20V  
500kHz Fixed Frequency Operation  
Soft-Start  
Cycle-by-cycle current limit, frequency foldback and ther-  
malshutdownprovideprotectionagainstshortedoutputs,  
and soft-start eliminates input current surge during start-  
up. Transient response can be optimized by using external  
compensation components, or board space can be mini-  
mized by using internal compensation. The low current  
(<2µA)shutdownmodeenableseasypowermanagement  
in battery-powered systems.  
Uses Small Ceramic Capacitors  
Internal or External Compensation  
Low Shutdown Current: <2µA  
Thermally EnhanUced 8-Lead MSOP Package  
APPLICATIO S  
Automotive Battery Regulation  
Industrial Control Supplies  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
Unregulated Wall Adapters  
U
TYPICAL APPLICATIO  
3.3V Step-Down Converter  
Efficiency  
95  
V
IN  
V
= 12V  
IN  
4.5V TO 36V  
V
= 5V  
OUT  
90  
85  
80  
75  
70  
65  
0.22µF  
V
BOOST  
SW  
IN  
10µH  
SHDN  
ON OFF  
V
3.3V  
1.2A  
OUT  
V
= 3.3V  
OUT  
LT1936  
4.7µF  
17.4k  
COMP  
FB  
GND  
V
C
10k  
22µF  
1936 TA01a  
0
0.5  
1
1.5  
LOAD CURRENT (A)  
1936 TA01b  
1936fa  
1

LT1936EMS8E 替代型号

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