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参数资料
| 型号： | SPX1431N/TR |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.49 V, PBCY3 |
| 封装： | TO-92, 3 PIN |
| 文件页数： | 1/12页 |
| 文件大小： | 717K |
| 代理商： | SPX1431N/TR |
Mar3-07
SPX43 Precision Adjustable Shunt Regulator
2007 Sipex Corporation
Available in Lead Free Packaging
Precision Adjustable Shunt Regulator
SPX1431
DESCRIPTION
FEATURES
■
Trimmed Bandgap Reference to 0.4%
■
Wide Operating Current 1mA to 150mA
■
Extended Temperature Range:
-55°C to 125°C
■
Low Temperature Coefficient 30 ppm/°C
■
Offered in TO-92, SOIC, SOT-89,
SOT-23-5
■
Improved Replacement in Performance for
LT1431
■
Low Cost Solution
The SPX1431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate
bandgap reference.The SPX1431 acts as an open-loop error amplifier with a 2.5V temperature
compensation reference. The SPX1431's thermal stability, wide operating current (150mA)
and temperature range (-55°C to 125°C) makes it suitable for a variety of applications that
require a low cost, high performance solution. SPX1431 tolerance of 0.4% 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 lines and contributes a significant cost
savings.
The output voltage may be adjusted to any value between VREF and 36 volts with two external
resistors. The SPX1431 is available in TO-92, SOIC-8, SOT-89, and SOT-23-5 packages.
BLOCK DIAGRAM
+
-
2.5V
Reference
(R)
Anode (A)
Cathode (K)
APPLICATIONS
■
Battery Operating Equipment
■
Adjustable Supplies
■
Switching Power Supplies
■
Error Amplifiers
■
Single Supply Amplifier
■
Monitors / VCRs / TVs
■
Personal Computers
Now Available in Lead Free Packaging
1
2
3
4
5
6
7
8
ANODE
CATHODE
N/C
REF
ANODE
N/C
SPX1431
8 Pin nSOIC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX1431S | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Precision Adjustable Shunt Regulator |
| SPX1431S/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Precision Adjustable Shunt Regulator |
| SPX1431S-L | 功能描述:基准电压& 基准电流 PRECISION ADJ SHUNT REG 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 |
| SPX1431S-L/TR | 功能描述:基准电压& 基准电流 PRECISION ADJ SHUNT REG 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 |
| SPX1432 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1.24V Precision Adjustable Shunt Regulator |
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