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参数资料
| 型号： | SPX432AM-L |
| 厂商： | Exar Corporation |
| 文件页数： | 1/11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： | 1.24 V ~ 18 V |
| 容差： | ±0.5% |
| 温度系数： | 50ppm/°C |
| 输入电压： | 最高 18V |
| 通道数： | 1 |
| 电流 - 阴极： | 1mA |
| 电流 - 输出： | 80mA |
| 工作温度： | 0°C ~ 105°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： | 1016-1415 |
?
SPX432
1.24V Precision Adjustable Shunt Regulator
FEATURES
■ Low Voltage Operation, 1.24V
■ Trimmed Bandgap to 0.5% and 1%
■ Wide Operating Current, 1mA to 80mA
■ Adjustable Output Voltage, V REF to 18V
■ Extended Temp.Range: 0 ° C to 105 ° C
■ Low Temperature Coefficient, 50 ppm/ ° C
■ Offered in TO-92, SOIC, SOT-23-3
■ Replacement for TLV431, AS432
Anode
3
SPX432
3 Pin SOT-23
1 2
Ref Cathode
Now Available in Lead Free Packaging
Refer to page 11 for other pinouts.
APPLICATIONS
■ Switching Power Supplies
■ Adjustable Supplies
■ Error Amplifiers
■
■
■
■
Single Supply Amplifier
Monitors / VCRs / TVs
Personal Computers
Voltage References
DESCRIPTION
The SPX432 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate 1.24V
bandgap reference with 0.5% tolerance. The SPX432’s thermal stability, wide operating current
(80mA) and temperature range (0 ° C to 105 ° C) makes it suitable for a variety of applications. SPX432
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 manufactures’ assembly lines and contribute a
significant cost savings.
The SPX432 is an ideal voltage reference in an isolated feedback circuit for switch mode power
supplies. SPX432 offers many advantages over the TLV431 such as wider output voltage (18V vs.
6V), higher output current (80mA vs. 15mA) and a wider operating temperature range with a tighter
tolerance down to 0.5%.
BLOCK DIAGRAM
Cathode (K)
Reference
(R)
1.24V
+
-
Anode (A)
Date: 12/ 11 /04
SPX432 1.24V Precision Adjustable Shunt Regulator
1
? Copyright 2004 Sipex Corporation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX432AM-L/TR | 功能描述:基准电压& 基准电流 1.24V ADJ SHUNT REG 1mA-80mA L/TMP COEFF 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 |
| SPX432AN | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1.24V Precision Adjustable Shunt Regulator |
| SPX432AN/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:1.24V Precision Adjustable Shunt Regulator |
| SPX432AN-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX432AN-L/TR | 功能描述:基准电压& 基准电流 1.24V ADJ SHUNT REG 1mA-80mA L/TMP COEFF 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 |
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