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DO1813H-472 PDF预览

DO1813H-472

更新时间： 2024-01-15 05:56:26
品牌 Logo 应用领域
美国微芯 - MICROCHIP 稳压器
页数 文件大小 规格书
34页 1064K
描述
24V Input, 1A/2A Output, High Efficiency Synchronous Buck Regulator with Power Good Indication

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DO1813H-472 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：3524
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8504.50.80.00风险等级：5.12
大小写代码：3524构造：Unshielded
型芯材料：FERRITE直流电阻：0.054 Ω
标称电感 (L)：4.7 µH电感器应用：POWER INDUCTOR
电感器类型：GENERAL PURPOSE INDUCTORJESD-609代码：e2
功能数量：1端子数量：2
最高工作温度：125 °C最低工作温度：-40 °C
封装高度：5 mm封装长度：8.89 mm
封装形式：SMT封装宽度：6.1 mm
包装方法：TR, 13 Inch最大额定电流：2.6 A
自谐振频率：50 MHz形状/尺寸说明：RECTANGULAR PACKAGE
屏蔽：NO表面贴装：YES
端子面层：Tin/Silver (Sn/Ag)端子位置：DUAL ENDED
端子形状：WRAPAROUND测试频率：0.1 MHz
容差：20%Base Number Matches：1

DO1813H-472 数据手册

 浏览型号DO1813H-472的Datasheet PDF文件第2页浏览型号DO1813H-472的Datasheet PDF文件第3页浏览型号DO1813H-472的Datasheet PDF文件第4页浏览型号DO1813H-472的Datasheet PDF文件第5页浏览型号DO1813H-472的Datasheet PDF文件第6页浏览型号DO1813H-472的Datasheet PDF文件第7页 
MCP16321/2  
24V Input, 1A/2A Output, High Efficiency Synchronous Buck Regulator  
with Power Good Indication  
Features  
Description  
• Up to 95% Typical Efficiency  
• Input Voltage Range: 6.0V to 24V  
• 1A Output Current (MCP16321)  
• 2A Output Current (MCP16322)  
The MCP16321/2 is a highly integrated, high-efficiency,  
fixed frequency, synchronous step-down DC-DC  
converter in a 16-pin QFN package that operates from  
input voltages up to 24V. Integrated features include a  
high-side and low-side N-Channel switch, fixed  
frequency Peak Current Mode Control, internal  
compensation, peak current limit, VOUT overvoltage  
protection and overtemperature protection. Minimal  
external components are necessary to develop a  
complete synchronous step-down DC-DC converter  
power supply.  
• Fixed Output Voltages: 0.9V, 1.5V, 1.8V, 2.5V,  
3.3V, 5V with 2% Output Voltage Accuracy  
• Adjustable Version Output Voltage Range:  
0.9V to 5V with 1.5% Reference Voltage Accuracy  
• Integrated N-Channel High-Side Switch: 180 mΩ  
• Integrated N-Channel Low-Side Switch: 120 mΩ  
• 1 MHz Fixed Frequency  
High converter efficiency is achieved by integrating a  
high-speed, current limited, low resistance, high-side  
N-Channel MOSFET, as well as a high-speed, low  
resistance, low-side N-Channel MOSFET and  
associated drive circuitry. High switching frequency  
minimizes the size of the inductor and output capacitor,  
resulting in a small solution size.  
• Low Device Shutdown Current  
• Peak Current Mode Control  
• Internal Compensation  
• Stable with Ceramic Capacitors  
• Internal Soft-Start  
• Cycle-by-Cycle Peak Current Limit  
• Undervoltage Lockout (UVLO): 5.75V  
• Overtemperature Protection  
The MCP16321/2 device can supply 1A/2A of  
continuous current while regulating the output voltage  
from 0.9V to 5V. A high-performance peak current  
mode architecture keeps the output voltage tightly  
regulated, even during input voltage steps and output  
current transient conditions that are common in power  
supplies.  
• VOUT Overvoltage Protection  
• VOUT Voltage Supervisor Reported at the PG Pin  
• Available Package: QFN-16 (3x3 mm)  
The regulator can be turned on and off with a logic level  
signal applied to the EN input. The EN input is internally  
pulled up to a 4.2V reference and is rated for a  
maximum of 6V. With EN low, typically 5 µA of current  
is consumed from the input, making the part ideal for  
power shedding and load distribution applications. The  
PG output is an open drain output pin used to interface  
with other components of the system, and can be  
pulled up to a maximum of 6V.  
Applications  
• PIC®/dsPIC® Microcontroller Bias Supply  
• 12V Industrial Input DC-DC Conversion  
• Set-Top Boxes  
• DSL Cable Modems  
• Automotive  
• Wall Cube Regulation  
• SLA Battery Powered Devices  
• AC-DC Digital Control Power Source  
• Power Meters  
The output voltage can either be fixed at output  
voltages of 0.9V, 1.5V, 1.8V, 2.5V, 3.3V, 5V or  
adjustable using an external resistor divider. The  
MCP16321/2 is offered in a 3x3 QFN-16 surface mount  
package.  
• Consumer  
• Medical and Health Care  
• Distributed Power Supplies  
© 2011 Microchip Technology Inc.  
DS22285A-page 1  
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