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TC115501ECT PDF预览

TC115501ECT

更新时间: 2024-11-22 22:34:19
品牌 Logo 应用领域
美国微芯 - MICROCHIP 转换器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
14页 342K
描述
PFM/PWM Step-Up DC/DC Converter

TC115501ECT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:SOT-89
包装说明:SOT-89, 5 PIN针数:5
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.17
Is Samacsys:N其他特性:PFM CONTROL TECHNIQUE IS ALSO POSSIBLE
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:VOLTAGE-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:10 V
最小输入电压:0.9 V标称输入电压:4 V
JESD-30 代码:R-PDSO-F5JESD-609代码:e3
长度:4.5 mm功能数量:1
端子数量:5最高工作温度:85 °C
最低工作温度:-40 °C最大输出电流:0.4 A
封装主体材料:PLASTIC/EPOXY封装代码:HLSOF
封装等效代码:TO-243,5 LEAD封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.6 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:115 kHz
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:FLAT端子节距:1.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:2.5 mmBase Number Matches:1

TC115501ECT 数据手册

 浏览型号TC115501ECT的Datasheet PDF文件第2页浏览型号TC115501ECT的Datasheet PDF文件第3页浏览型号TC115501ECT的Datasheet PDF文件第4页浏览型号TC115501ECT的Datasheet PDF文件第5页浏览型号TC115501ECT的Datasheet PDF文件第6页浏览型号TC115501ECT的Datasheet PDF文件第7页 
TC115  
M
• High Efficiency at Low Output Load Currents via  
PFM Mode  
• Assured Start-up at 0.9V  
PFM/PWM Step-Up DC/DC Converter  
Features  
Package Type  
SOT-89-5  
PS  
5
4
• 80 µA (Typ) Supply Current  
• 85% Typical Efficiency at 100 mA  
• 140 mA Typical Output Current @ V = 2.0V  
• Low Power Shutdown Mode  
• No External Switching Transistor Needed  
• Space-Saving SOT-89 Package  
GND  
LX  
TC115  
PS  
IN  
NC  
1
SHDN  
3
2
General Description  
Applications  
The TC115 is a high-efficiency step-up DC/DC  
converter for small, low input voltage or battery-  
powered systems. This device has a start-up voltage  
of 0.9V and a typical supply current of 80 µA. Phase  
compensation and soft-start circuitry are included on-  
chip. Unlike conventional PWM step-up converters,  
the TC115 automatically shifts to pulse frequency  
modulation (PFM) at low loads, resulting in reduced  
supply current and improved efficiency.  
• Pagers  
• Cellular Phones  
• Palmtops  
• 1-Cell to 3-Cell Battery Powered Systems  
• Cameras, Video Recorders  
• Local +3V to +5V Supplies  
The TC115 requires only an external diode, an inductor  
and a capacitor, while supporting typical output cur-  
rents of 140 mA. Supply current is reduced to less than  
0.5 µA (max) when SHDN input is brought low.  
Small size, low installed cost and low supply current  
make the TC115 step-up converter ideal for use in a  
wide range of battery-powered systems.  
Functional Block Diagram  
L1  
100 µH  
Sumida® CD-54  
D1  
+3V  
OUT  
+
+
C1  
10 µF  
+
IN5817  
1.5V  
PS  
C2  
47 µF  
5
4
Tantalum  
GND  
LX  
TC115  
SHDN  
3
NC  
1
PS  
2
1.5V to +3V, 50 mA Supply  
2003 Microchip Technology Inc.  
DS21361C-page 1  

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