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CS5231-3GDPR5 PDF预览

CS5231-3GDPR5

更新时间： 2024-11-19 22:29:47
品牌 Logo 应用领域
樱桃 - CHERRY 线性稳压器IC调节器电源电路输出元件
页数 文件大小 规格书
11页 283K
描述
500mA, 3.3V Linear Regulator with Auxiliary Control

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中文翻译

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CS5231-3GDPR5 技术参数

生命周期：Transferred包装说明：D2PAK-5
Reach Compliance Code：unknown风险等级：5.69
Is Samacsys：N最大输入电压：6 V
最小输入电压：4.75 VJESD-30 代码：R-PSSO-G5
功能数量：1端子数量：5
工作温度TJ-Max：125 °C工作温度TJ-Min：
最大输出电压 1：3.366 V最小输出电压 1：3.234 V
标称输出电压 1：3.3 V封装主体材料：PLASTIC/EPOXY
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
认证状态：Not Qualified调节器类型：FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
表面贴装：YES端子形式：GULL WING
端子位置：SINGLEBase Number Matches：1

CS5231-3GDPR5 数据手册

 浏览型号CS5231-3GDPR5的Datasheet PDF文件第2页浏览型号CS5231-3GDPR5的Datasheet PDF文件第3页浏览型号CS5231-3GDPR5的Datasheet PDF文件第4页浏览型号CS5231-3GDPR5的Datasheet PDF文件第5页浏览型号CS5231-3GDPR5的Datasheet PDF文件第6页浏览型号CS5231-3GDPR5的Datasheet PDF文件第7页 
CS5231-3  
500mA, 3.3V Linear Regulator  
with Auxiliary Control  
Features  
Linear Regulator  
Description  
The CS5231-3 combines a three-  
rent from flowing from the output  
to ground if the regulator input  
voltage is lower than the output  
terminal linear regulator with cir-  
cuitry to control an external PFET  
ꢀ 3.3V ± 2% Output Voltage  
transistor with the intent of manag- voltage.  
ing two input supplies. A 5V sup-  
ꢀ 3mA Quiescent Current  
@ 500mA  
The CS5231-3 also controls an auxil-  
ply powers the regulator while an  
auxiliary 3.3V supply is controlled  
by the IC. The design has been opti-  
mized to provide a “glitch-free”  
transition between the two sup-  
plies.  
The CS5231-3 linear regulator pro-  
vides a fixed 3.3V output @ 500mA  
with an overall accuracy of ± 2%.  
iary supply that can provide power  
to the regulator output when input  
voltage for the regulator is not  
available. The AuxDrv auxiliary  
output is normally pulled up to the  
regulator input voltage and drives  
low whenever the input voltage  
drops below 4.4V (nominal). It is  
typically used to control a PFET  
ꢀ Fast Transient Response  
ꢀ Current Limit  
ꢀ Thermal Shutdown with  
Hysteresis  
ꢀ 450µA Reverse Output  
Current  
ꢀ Fast Transient Response  
The NPN-PNP composite pass tran- switch that connects a 3.3V auxil-  
sistor provides a low dropout volt-  
age and requires less supply cur-  
rent than PNP designs. Full protec-  
tion including current limit and  
thermal shutdown is provided.  
Also designed for low reverse cur-  
rent, the IC prevents excessive cur-  
iary supply to the regulator output.  
System Power Management  
The CS5231-3 is available in a  
5-lead D2PAK (TO-263) package.  
Applications include Network  
Interface Cards (NICs), modem  
cards and power supplies with  
multiple input sources.  
ꢀ Auxiliary Supply Control  
Package Options  
Block Diagram  
5 Lead D2PAK  
V
OUT  
V
IN  
Internal  
Bias  
10kΩ  
50kΩ  
Current  
Limit  
AuxDrv  
−
Error  
Amp  
+
1
V
UV  
IN  
1. No Connect  
Comparator  
Shutdown  
2. VIN  
3. Gnd  
−
V
Bandgap  
REF  
Reference  
4. VOUT  
5. AuxDrv  
Tab = Gnd  
Gnd  
Thermal  
Shutdown  
Consult factory for other package  
options.  
Cherry Semiconductor Corporation  
2000 South County Trail, East Greenwich, RI 02818  
Tel: (401)885-3600 Fax: (401)885-5786  
Email: info@cherry-semi.com  
Web Site: www.cherry-semi.com  
Rev. 3/31/99  
1
A
®
Company  
1234567...11

中文翻译

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