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| 型号： | SPX2431AM-L |
| 厂商： | Exar Corporation |
| 文件页数： | 1/9页 |
| 文件大小： | 0K |
| 描述： | IC VREF SHUNT PREC ADJ SOT-23-3 |
| 标准包装： | 1 |
| 基准类型： | 旁路，可调节，精度 |
| 输出电压： | 2.5 V ~ 36 V |
| 容差： | ±0.5% |
| 温度系数： | 30ppm/°C |
| 输入电压： | 高达 36V |
| 通道数： | 1 |
| 电流 - 阴极： | 1mA |
| 电流 - 输出： | 150mA |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-236-3，SC-59，SOT-23-3 |
| 供应商设备封装： | SOT-23-3 |
| 包装： | 散装 |
| 其它名称： | 1016-1408 |
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SPX2431
Precision Adjustable Shunt Regulator
CATHODE
REF
FEATURES
■ Trimmed Bandgap to 0.5% and 1.0%
■ Wide Operating Current 1mA to 100mA
■ Extended Temp. Range: 0 ° C to 105 ° C
■ Low Temperature Coefficient 30 ppm/ ° C
■ Offered in 3 Pin SOT-23 (M)
■ Replacement for TL431, AS2431
■ Low Noise Output
ANODE
3
SPX2431
3 Pin SOT-23
1 2
Top View
Now Available in Lead Free Packaging
APPLICATIONS
■ Battery Operating Equipment
■ Adjustable Supplies
■ Switching Power Supplies
■
■
■
■
Error Amplifiers
Single Supply Amplifier
Monitors / VCRs / TVs
Personal Computers
DESCRIPTION
The SPX2431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate
bandgap reference. The SPX2431 acts as an open-loop error amplifier with a 2.5V temperature
compensation reference. The SPX2431’s thermal stability, wide operating current (100mA) and
temperature range (0 ° C to 105 ° C) makes it suitable for a variety of applications that require a
low cost, high performance solution. SPX2431A tolerance of 0.5% is proven to be sufficient to
overcome all of the other errors in the system to virtually eliminate the need for trimming in the
power supply manufacturer's assembly line and contribute a significant cost savings.
The output voltage may be adjusted to any value between V REF and 20 volts with two external
resistors. In the standard shunt configuration, the combination of a low temperature coefficient,
sharp turn on characteristics, low output impedance, and programmable output voltage makes
this precision reference an excellent error amplifier. The SPX2431 is available in SOT-23-3
package.
FUNCTIONAL DIAGRAM
Cathode (K)
Reference
(R)
2.5V
+
-
Anode (A)
Date: 1/19/05
SPX2431 Precision Adjustable Shunt Regulator
1
? Copyright 2005 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX2431AM-L | 制造商:Exar Corporation 功能描述:Adjustable Shunt Regulator |
| SPX2431AM-L/TR | 功能描述:基准电压& 基准电流 PRECISION ADJ SHUNT RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| SPX2431L | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Precision Adjustable Shunt Regulator |
| SPX2431LAM | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Precision Adjustable Shunt Regulator |
| SPX2431LAN | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Precision Adjustable Shunt Regulator |
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