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MIC47300 PDF预览

MIC47300

更新时间: 2024-01-09 07:10:28
品牌 Logo 应用领域
麦瑞 - MICREL 稳压器
页数 文件大小 规格书
11页 436K
描述
3A, Low Voltage, Adjustable LDO Regulator with Dual Input Supply

MIC47300 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:TO-252,Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.41Is Samacsys:N
最大回动电压 1:0.4 VJESD-30 代码:R-PSSO-G5
JESD-609代码:e3长度:6.502 mm
湿度敏感等级:3功能数量:1
端子数量:5工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最大输出电流 1:3 A
封装主体材料:PLASTIC/EPOXY封装代码:TO-252
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR座面最大高度:2.692 mm
表面贴装:YES端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:40
宽度:6.1 mmBase Number Matches:1

MIC47300 数据手册

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MIC47300  
3A, Low Voltage, Adjustable LDO  
Regulator with Dual Input Supply  
General Description  
Features  
The MIC47300 is a high-bandwidth, low-dropout, 3A volt-  
age regulator ideal for powering core voltages of low-  
power microprocessors. The MIC47300 implements a dual  
supply conguration allowing for very low output  
impedance and very fast transient response.  
Input Voltage Range:  
VIN: 1.4V to 6.5V  
BIAS: 3.0V to 6.5V  
V
Stable with 1µF ceramic capacitor  
±1% initial tolerance  
The MIC47300 requires a bias input supply between 3V  
and 6.5V for proper operation. The main input supply rail  
operates from 1.4V to 6.5V that allows for adjustable  
output voltages down to 0.9V.  
Maximum dropout voltage (VIN–VOUT) of 400mV  
over temperature  
Adjustable output voltage down to 0.9V  
Ultra fast transient response (Up to 10MHz bandwidth)  
Excellent line and load regulation specifications  
Power D-Pak package (TO-252)  
The MIC47300 requires a minimum of 1µF output  
capacitance for stability, and optimal operation is achieved  
with small ceramic capacitors.  
The MIC47300 is available in a 5-pin power D-Pak  
package (TO-252) with an operating temperature range of  
–40°C to +125°C.  
Thermal shutdown and current-limit protection  
Junction temperature range: –40°C to 125°C  
Datasheets and support documentation can be found on  
Micrel’s web site at: www.micrel.com.  
Applications  
Graphics processors  
PC add-in cards  
Microprocessor core voltage supply  
Low voltage digital ICs  
High efficiency linear power supplies  
SMPS post regulators  
__________________________________________________________________________________________  
Typical Application*  
Figure 1. Typical Application Circuit  
*See Thermal Design Section  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-102309-A  
October 2009  

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