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MIC49500-1.2WU

更新时间： 2024-11-24 21:53:39
品牌 Logo 应用领域
麦瑞 - MICREL 调节器输出元件
页数 文件大小 规格书
11页 233K
描述
5A Dual Supply, Low Voltage, High Bandwidth LDO

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MIC49500-1.2WU 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：D2PAK
包装说明：TO-263, SMSIP7H,.55,50TB针数：4
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.65
Is Samacsys：N可调性：FIXED
最大回动电压 1：0.5 V标称回动电压 1：0.29 V
最大绝对输入电压：6.5 V最大输入电压：6 V
最小输入电压：1.4 VJESD-30 代码：R-PSSO-G7
JESD-609代码：e3长度：10.18 mm
最大电网调整率：0.00456%最大负载调整率：0.012%
湿度敏感等级：3功能数量：1
输出次数：1端子数量：7
工作温度TJ-Max：125 °C工作温度TJ-Min：-40 °C
最大输出电流 1：5 A最大输出电压 1：1.224 V
最小输出电压 1：1.176 V标称输出电压 1：1.2 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP7H,.55,50TB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：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度：4.57 mm子类别：Other Regulators
表面贴装：YES技术：BIPOLAR
端子面层：MATTE TIN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最大电压容差：2%
宽度：8.51 mmBase Number Matches：1

MIC49500-1.2WU 数据手册

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MIC49500  
5A Dual Supply, Low Voltage,  
High Bandwidth LDO  
General Description  
Features  
The MIC49500 is an ultra-high-bandwidth, low-  
dropout, 5.0A voltage regulator ideal for powering  
core voltages of low-voltage microprocessors. The  
MIC49500 implements a dual supply configuration  
allowing for very low output impedance and very fast  
transient response.  
• Input voltage range:  
–
–
VIN: 1.4V to 6V  
VBIAS: 3.0V to 6V  
• Stable with 10µF ceramic output capacitor  
• +1.0% initial output tolerance  
• Maximum dropout (VIN – VOUT) is 500mV over  
temperature  
The MIC49500 requires a bias input supply and a  
main input supply, allowing for ultra-low input voltages  
on the main supply rail. The input supply operates  
from 1.4V to 6V and the bias supply requires between  
3V and 6V for proper operation. The MIC49500 can  
regulate to an output voltage as low as 0.7V, making it  
an ideal product for low-voltage to low-voltage  
conversion.  
• Adjustable output voltage down to 0.7V  
• Ultra Fast Transient Response (Up to 10MHz  
bandwidth)  
• Excellent line and load regulation specifications  
• Logic controlled shutdown option  
• Thermal shutdown and current limit protection  
• Thin 7-pin S-Pak package  
The MIC49500 requires  
a minimum of output  
• TO-263 7-pin package  
capacitance for stability, working optimally with any  
type of capacitor, including small ceramic capacitors.  
Available in fixed output voltages from 0.9V to 1.8V  
and adjustable output voltages down to 0.7V, the  
MIC49500 comes in both 7-pin S-Pak and TO-263  
packages. The MIC49500 is rated to the full operating  
temperature range of -40°C to 125°C junction  
temperature.  
• –40°C to +125°C operating junction temperature  
range  
Applications  
• ASIC Core Voltage Regulator  
• PLD/FPGA Core Power Supply  
• Linear Point-of-Load Conversion  
• High Speed Post-Regulator  
Typical Application  
Load Transient  
MIC49500WR  
VIN = 2.0V  
V
OUT = 1.0V  
OUT  
IN  
R1  
R2  
V
V
= 1.8V  
BIAS  
ADJ  
OUT  
VBIAS = 3.1V  
BIAS = 1µF  
= 2.8V  
IN  
C
OUT = 10µF  
V
C
= 3.9V  
= C  
BIAS  
= 10µF  
BIAS  
C
OUT  
Ceramic  
5A  
GND  
Ceramic  
CIN = 1µF  
Ceramic  
0A  
Low Voltage,  
Fast Transient Response Regulator  
Time (10µs/div)  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-110805  
(408) 955-1690  
November 2005  
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