参数资料
| 型号： | SPX431LM1-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC VREF SHUNT PREC ADJ SOT-89-3 |
| 标准包装： | 1,000 |
| 基准类型： | 旁路，可调节，精度 |
| 输出电压： | 2.495 V ~ 20 V |
| 容差： | ±1% |
| 温度系数： | 30ppm/°C |
| 输入电压： | 最高 20V |
| 通道数： | 1 |
| 电流 - 阴极： | 1mA |
| 电流 - 输出： | 100mA |
| 工作温度： | 0°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-243AA |
| 供应商设备封装： | SOT-89-3 |
| 包装： | 带卷 (TR) |
S P X 4 3 1 L
P r e c i s i o n A d j u s t a b l e S h u n t R e g u l a t o r
July 2013
GENERAL DESCRIPTION
The SPX431L is a 3-terminal adjustable shunt
voltage regulator providing a highly accurate
bandgap reference. The SPX431L acts as an
open-loop error amplifier with a 2.5V
temperature compensation reference. The
SPX431L’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. SPX431L 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 VREF and 20V with two
external resistors. The SPX431L is available in
TO-92, and SOT-89 packages.
Rev. 2.0.1
APPLICATIONS
? Battery Operating Equipment
? Adjustable Supplies
? Switching Power Supplies
? Error Amplifiers
? Single Supply Amplifier
? Monitors / VCRs / TVs
? Personal Computers
FEATURES
? Tight Voltage Tolerance 0.5% at 10mA
? Wide Operating Current 1mA to 100mA
? Extended Temperature Range:
0 ° C to 105 ° C
? Low Temperature Coefficient 30 ppm/ ° C
? Improved Replacement in Performance
for TL431 and AS431
? Low Cost Solution
TYPICAL BLOCK DIAGRAM
Fig. 1: SPX431L Precision Adjustable Shunt Regulator
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX431LM-L | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| SPX431LN | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Low Voltage Precision Adjustable Shunt Regulator |
| SPX431LN/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:Precision Adjustable Shunt Regulator |
| SPX431LN-L | 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 |
| SPX431LN-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 |
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