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SEA05TR

更新时间: 2024-01-29 13:43:30
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 电源电路电源管理电路光电二极管控制器PC
页数 文件大小 规格书
11页 248K
描述
Advanced constant voltage and constant current controller

SEA05TR 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:SOT-23包装说明:LSOP, TSOP6,.11,37
针数:6Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
Factory Lead Time:12 weeks风险等级:1.65
Samacsys Confidence:3Samacsys Status:Released
Samacsys PartID:654178Samacsys Pin Count:6
Samacsys Part Category:Integrated CircuitSamacsys Package Category:SOT23 (6-Pin)
Samacsys Footprint Name:SEA05TRSamacsys Released Date:2019-01-24 10:06:29
Is Samacsys:N可调阈值:NO
模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUITJESD-30 代码:R-PDSO-G6
JESD-609代码:e4长度:2.8 mm
湿度敏感等级:1信道数量:1
功能数量:1端子数量:6
封装主体材料:PLASTIC/EPOXY封装代码:LSOP
封装等效代码:TSOP6,.11,37封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:20 V认证状态:Not Qualified
座面最大高度:1.45 mm子类别:Power Management Circuits
最大供电电流 (Isup):0.3 mA最大供电电压 (Vsup):36 V
最小供电电压 (Vsup):3.5 V标称供电电压 (Vsup):20 V
表面贴装:YES端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式:GULL WING端子节距:0.95 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:1.5 mmBase Number Matches:1

SEA05TR 数据手册

 浏览型号SEA05TR的Datasheet PDF文件第2页浏览型号SEA05TR的Datasheet PDF文件第3页浏览型号SEA05TR的Datasheet PDF文件第4页浏览型号SEA05TR的Datasheet PDF文件第5页浏览型号SEA05TR的Datasheet PDF文件第6页浏览型号SEA05TR的Datasheet PDF文件第7页 
SEA05  
Advanced constant voltage and constant current controller  
Features  
Constant voltage and constant current control  
Wide operating V range [3.5 - 36] V  
CC  
Low quiescent consumption: 200 µA  
Voltage reference: 2.5 V  
Voltage control loop accuracy +/- 0.5%  
Current sense threshold: 50 mV  
Open-drain output stage  
SOT23 - 6L  
adequately rated in terms of power dissipation;  
the frequency compensation components (R-C  
networks) for both loops.  
Low external component count  
SOT23-6L micro package  
The device, housed in one of the smallest  
available package, is ideal for space-shrunk  
applications such as adapters and chargers.  
Applications  
Battery chargers  
AC-DC adapters  
LED drivers  
Figure 1.  
Internal schematic  
Vcc  
6
2.5 V  
Description  
1.23 V  
5
3
Out  
+
-
The SEA05 is a highly integrated solution for  
SMPS applications requiring a dual control loop to  
perform CV (constant voltage) and CC (constant  
current) regulation.  
Vctrl  
+
-
2
Gnd  
The device integrates a voltage reference, two op-  
amps (with OR-ed open-drain outputs), and a low-  
side current sensing circuit.  
4
Ictrl  
1
Isense  
The voltage reference, along with one op-amp, is  
the core of the voltage control loop; the current  
sensing circuit and the other op-amp make up the  
current control loop.  
Table 1.  
Order code  
SEA05TR  
Device summary  
Package  
Packing  
SOT23-6L  
Tape and reel  
The external components needed to complete the  
two control loops are: a resistor divider that  
senses the output of the power supply and fixes  
the voltage regulation setpoint at the specified  
value; a sense resistor that feeds the current  
sensing circuit with a voltage proportional to the  
dc output current; this resistor determines the  
current regulation setpoint and must be  
April 2010  
Doc ID 17014 Rev 1  
1/10  
www.st.com  
10  

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