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TC1267VETTR

更新时间: 2024-11-22 20:02:15
品牌 Logo 应用领域
美国微芯 - MICROCHIP /
页数 文件大小 规格书
14页 247K
描述
3.3 V FIXED POSITIVE LDO REGULATOR, PSSO5, D2PAK-5

TC1267VETTR 技术参数

是否无铅: 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,针数:5
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.68
最大输入电压:5.5 V最小输入电压:4.4 V
JESD-30 代码:R-PSSO-G5JESD-609代码:e3
长度:10.095 mm功能数量:1
端子数量:5工作温度TJ-Max:95 °C
工作温度TJ-Min:-5 °C最大输出电流 1:0.4 A
最大输出电压 1:3.366 V最小输出电压 1:3.201 V
标称输出电压 1:3.3 V封装主体材料:PLASTIC/EPOXY
封装代码:TO-263封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified调节器类型:FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
座面最大高度:4.9 mm表面贴装:YES
技术:CMOS端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.7 mm
端子位置:SINGLE处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:8.89 mmBase Number Matches:1

TC1267VETTR 数据手册

 浏览型号TC1267VETTR的Datasheet PDF文件第2页浏览型号TC1267VETTR的Datasheet PDF文件第3页浏览型号TC1267VETTR的Datasheet PDF文件第4页浏览型号TC1267VETTR的Datasheet PDF文件第5页浏览型号TC1267VETTR的Datasheet PDF文件第6页浏览型号TC1267VETTR的Datasheet PDF文件第7页 
Obsolete Device  
TC1267  
400mA PCI LDO  
Features:  
General Description:  
• Glitch Free Transition Between Input Sources  
• Automatic Input Source Selection  
• External PMOS Bypass Switch Control  
• Built-in 5V Detector  
The TC1267 is an application-specific, low dropout  
regulator (LDO), specifically intended for use in PCI  
peripheral card applications complying with PCI Power  
Management (PCI 2.0). It provides an uninterrupted,  
3.3V output voltage when the main (5V) or auxiliary  
(3.3V) input voltage supplies are present.  
• 1% Regulated Output Voltage Accuracy  
• 400mA Load Current Capability  
• Kelvin Sense Input  
The TC1267 consists of an LDO, a voltage threshold  
detector, external switchover logic and gate drive  
circuitry. It functions as a conventional LDO as long as  
the voltage on the main supply input (VIN) is above the  
lower threshold (3.90V typical). Should the voltage on  
VIN fall below the lower threshold, the LDO is disabled  
and an external P-channel MOSFET is automatically  
turned on, connecting the auxiliary supply input to  
VOUT, and ensuring an uninterrupted 3.3V output. The  
main supply is automatically selected, if both the main  
and auxiliary input supplies are present, and transition  
from one input supply to the other is ensured glitch-  
free. High integration, automatic secondary supply swi-  
tchover, Kelvin sensing, and small size make the  
TC1267 the optimum LDO for PCI 2.0 applications.  
• Low Ground Current, Independent of Load  
Applications:  
• PCMCIA  
• PCI  
• Network Interface Cards (NICs)  
• CardbusTM Technology  
• Desktop Computers  
Device Selection Table  
Junction  
Temp. Range  
Part Number  
Package  
Functional Block Diagram  
TC1267VET  
5-Pin DDPAK  
-5°C to +95°C  
Pin Configuration  
5-Pin DDPAK  
V
IN  
D
V
Detect  
R
AUX  
Tab is GND  
Bandgap  
Reference  
TC1267  
E/A  
+
V
OUT  
GND  
1
2 3 4  
5
2001-2014 Microchip Technology Inc.  
DS20001378D-page 1  

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