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MCP1603T-120I/MC PDF预览

MCP1603T-120I/MC

更新时间： 2024-01-07 09:04:42
品牌 Logo 应用领域
美国微芯 - MICROCHIP 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
26页 758K
描述
2.0 MHz, 500 mA Synchronous Buck Regulator

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中文翻译

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MCP1603T-120I/MC 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：SON, SOLCC8,.11,20
Reach Compliance Code：compliantFactory Lead Time：24 weeks
风险等级：5.63控制模式：VOLTAGE-MODE
JESD-30 代码：R-PDSO-N8JESD-609代码：e3
端子数量：8最高工作温度：85 °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：SON
封装等效代码：SOLCC8,.11,20封装形状：RECTANGULAR
封装形式：SMALL OUTLINE认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：2800 kHz温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn) - annealed端子形式：NO LEAD
端子节距：0.5 mm端子位置：DUAL
Base Number Matches：1

MCP1603T-120I/MC 数据手册

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MCP1603  
2.0 MHz, 500 mA Synchronous Buck Regulator  
Features  
General Description  
• Over 90% Typical Efficiency  
• Output Current Up To 500 mA  
• Low Quiescent Current = 45 µA, typical  
• Low Shutdown Current = 0.1 µA, typical  
• Adjustable Output Voltage:  
- 0.8V to 4.5V  
The MCP1603 is a high efficient, fully integrated  
500 mA synchronous buck regulator whose 2.7V to  
5.5V input voltage range makes it ideally suited for  
applications powered from 1-cell Li-Ion or 2-cell/3-cell  
NiMH/NiCd batteries.  
At heavy loads, the MCP1603 operates in the 2.0 MHz  
fixed frequency PWM mode which provides a low  
noise, low output ripple, small-size solution. When the  
load is reduced to light levels, the MCP1603  
automatically changes operation to a PFM mode to  
minimize quiescent current draw from the battery. No  
intervention is necessary for a smooth transition from  
one mode to another. These two modes of operation  
allow the MCP1603 to achieve the highest efficiency  
over the entire operating current range.  
• Fixed Output Voltage:  
- 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V  
• 2.0 MHz Fixed-Frequency PWM (Heavy Load)  
• Automatic PWM to PFM Mode Transition  
• 100% Duty Cycle Operation  
• Internally Compensated  
• Undervoltage Lockout (UVLO)  
• Overtemperature Protection  
• Space Saving Packages:  
The MCP1603 is available with either an adjustable or  
fixed output voltage. The available fixed output voltage  
options are 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V. When a  
fixed option is used, only three additional small external  
components are needed to form a complete solution.  
Couple this with the low profile, small-foot print  
packages and the entire system solution is achieved  
with minimal size.  
- 5-Lead TSOT  
- 8-Lead 2X3 DFN  
Applications  
• Cellular Telephones  
• Portable Computers  
• Organizers / PDAs  
Additional protection features include: UVLO,  
overtemperature, and overcurrent protection.  
• USB Powered Devices  
• Digital Cameras  
• Portable Equipment  
• +5V or +3.3V Distributed Systems  
Package Types  
5-Lead TSOT  
8-Lead 2x3 DFN  
LX  
1
2
3
4
8
7
6
5
GND  
VIN  
VFB/VOUT  
VIN  
LX  
SHDN  
GND  
LX  
1
2
3
5
4
1
2
3
5
4
NC  
SHDN  
GND  
NC  
NC  
VIN  
SHDN  
VFB/VOUT  
VFB/VOUT  
MCP1603  
MCP1603L  
© 2007 Microchip Technology Inc.  
DS22042A-page 1  
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中文翻译

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