中文
EnglishThe JTM431 is a three-terminal adjustable regulator series with a guaraneed thermal stabilityover applicable temperature ranges. Theoutput voltage may be set to any value between Vref (approximately
一,产品概述(General Description)
Programmable Output Voltage to 40V
Low Dynamic Output Impedance 0.27Ω (Typ)
SinkCurrentCapabilityof0.1mAto100mA
EquivalentFull-RangetemperatureCoefficientof50ppm/℃<br style="padding: 0px; margin: 0px;"/>TemperatureCompensatedforOperationoverFullRatedOperatingTemperature
Range
LowOutputNoiseVoltage
FastTurnonResponse
TO-92,SOP-8,SOT-89orSOT-23-3packages
二</span>.产品特点(Features)
The JTM431 is a three-terminal adjustable regulator series with a guaraneed thermal stabilityover applicable temperature ranges. Theoutput voltage may be set to any value between Vref (approximately 2.5 volts) and 40 volts with two external resistors. These devices have a typical dynamic output impedance of 0.2Ω. Activeoutputcircuitryprovidesa verysharpturn-oncharacteristic,makingthesedevicesexcellentreplacement
forzenerdiodesinmanyapplications.
The JTM431 ischaracterizedforoperationfrom-0℃ to+70℃.
三</span>,应用范围 (Applications)
| 1.LED电源 | ||||
| 2.电源（开关电源、UPS电源、通信电源等） | ||||
| 3.充电器 | ||||
| 4.适配器 | ||||
| 5.电源板 | ||||
| 6.小家电、家电电源板 | ||||
四</span>,产品封装图 (Package)
五</span>,电路原理图</span>
六</span>.产品PDF文档
 | JTM431 |
七</span>,功能概述
| Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified) | |||
| Characteristic | Symbol | Value | Unit |
| Cathode Voltage | VKA | 40 | V |
| Continuous Cathode Current Range | IK | -100 ~ 150 | mA |
| Reference Input Current Range | IREF | 0.05 ~ 10 | mA |
| Power Dissipatin at 25℃: TO-92package(R⊙JA=178℃/W) SOT-23-3Package(R⊙JA=625℃/W) | PD | 0.7 0.2 | W W |
| Junction Temperature Range | TJ | 0 ~ 150 | ℃</td> |
| Operating Temperature Range | Tg | 0 ~ 70 | ℃</td> |
| Storage Temperature Range | TSTG | -65 ~ 150 | ℃</td> |
| 型号 | 参考电压值</td> | 参考电压精度</td> | 最大耐压 | 最大<a href="http://www.jtm-ic.com/a/xinwenzhongxin/" target="_blank" style="padding: 0px; margin: 0px; color: rgb(37, 110, 177); text-decoration: none;">电流 | 封装 | 状态</td> | 直接替代型号 | ||
| JTM431 | 2.495 | 0.50% | 40V | 100mA | SOT-23 | 量产 | TL431/LM431 | ||
| TL431 | |||||||||
| JTM432 | 1.24 | 0.50% | 18V | 100mA | SOT-23 | 量产 | TL432/LM432 | ||
| TL432 | |||||||||
| 我司的JTM431/TL431 TO-92&SOT-23的<a href="http://www.jtm-ic.com/a/xinwenzhongxin/xinpinjishu/" target="_blank" style="padding: 0px; margin: 0px; color: rgb(37, 110, 177); text-decoration: none;">优点：</td> | |||||||||
| 精度高，精度是0.5%，90%可达0.3%的精度。</td> | |||||||||
| TO-92的是采用铜脚的，不是市场低端的铁脚的。</td> | |||||||||
| 我司的JTM432/TL432 TO-92&SOT-23的优点： | |||||||||
| 精度高，精度是0.5%，90%可达0.3%的精度。</td> | |||||||||
| TO-92的是采用铜脚的，不是市场低端的铁脚的。</td> | |||||||||
| 产品应用： | |||||||||
| 1.LED电源 | |||||||||
| 2.电源（开关电源、UPS电源、通信电源等） | |||||||||
| 3.充电器 | |||||||||
| 4.适配器 | |||||||||
| 5.电源板 | |||||||||
| 6.小家电、家电电源板 | |||||||||
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