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ZXRE250

更新时间： 2024-09-23 07:42:27
品牌 Logo 应用领域
美台 - DIODES 稳压器
页数 文件大小 规格书
14页 399K
描述
VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR

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ZXRE250 数据手册

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ZXRE250/ZXRE252  
VERY LOW CATHODE CURRENT ADJUSTABLE  
PRECISION SHUNT REGULATOR  
Description  
Pin Assignments  
The ZXRE250 and ZXRE252 are three terminal adjustable  
shunt regulators offering excellent temperature stability and  
output current handling capability up to 100mA. The output  
voltage may be set to any chosen voltage between 2.5 and  
36 volts by selection of two external divider resistors.  
ZXRE250  
(Top View)  
3
REF  
ANODE  
1
ZXRE250 has the same electrical specifications as the  
industry standard ‘431 except that it features a very low  
minimum cathode current for regulation. The typical value of  
40µA makes the parts ideal for very low power applications.  
2
CATHODE  
SOT23  
The devices can be used as a replacement for zener diodes  
in many applications requiring an improvement in zener  
performance. The ZXRE250/2 is available in 2 grades with  
initial tolerances of 1% and 0.5% for the A and B grades  
respectively.  
(Top View)  
NC  
1
2
5
ANODE  
Leave floating or  
connect to pin 5  
Features  
CATHODE  
3
4 REF  
•
•
•
Minimum cathode current for regulation: 40μA (typ)  
Temperature range -40 to 125ºC  
Reference Voltage Tolerance at 25°C  
SOT25  
ZXRE252  
o
ZXRE250A: 2.495V ± 1.0%.  
o
ZXRE250B: 2.495V ± 0.5%  
(Top View)  
•
•
•
•
•
Low Output Noise  
0.2Ω Typical Output Impedance  
CATHODE  
REF  
3
Sink Current Capability: 0.065mA to 100mA  
Adjustable Output Voltage: VREF to 36V  
SOT23 and SOT25: Available in “Green” Molding  
Compound (No Br, Sb) and Lead Free Finish/ RoHS  
Compliant (Note 1)  
ANODE  
1
2
SOT23  
Applications  
•
•
•
•
Opto-Coupler Linearisers  
Shunt Regulators  
Improved Zener  
Variable Reference  
Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at  
http://www.diodes.com/products/lead_free.html.  
1 of 14  
www.diodes.com  
May 2011  
© Diodes Incorporated  
ZXRE250/ZXRE252  
Document number: DS35228 Rev. 3 - 2  
1234567...14

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与ZXRE250相关器件

型号 品牌 获取价格 描述 数据表
ZXRE250_V1 DIODES

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 		Very low cathode current 2.5V shunt regulator with industrial temperature range and 36V ma
ZXRE250ABSA-7 DIODES

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 		VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR
ZXRE250ABW5-7 DIODES

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 		VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR
ZXRE250ASA-7 DIODES

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 		Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO3, SOT-23, 3 PIN
ZXRE250AW5-7 DIODES

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 		Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO5, SOT-25, 5 PIN
ZXRE250BSA-7 DIODES

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 		Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO3, SOT-2
ZXRE250BW5-7 DIODES

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 		Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, BIPolar, PDSO5, SOT-2
ZXRE252 DIODES

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 		Very low cathode current 2.5V shunt regulator with industrial temperature range and 36V ma
ZXRE252ABSA-7 DIODES

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 		VERY LOW CATHODE CURRENT ADJUSTABLE PRECISION SHUNT REGULATOR
ZXRE252ASA-7 DIODES

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 		Three Terminal Voltage Reference, 1 Output, 2.495V, Trim/Adjustable, PDSO3, SOT-23, 3 PIN

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