CXOA4206由一个运算放大器（OPA）和一个1.25V的精确电压基准构成，该电压基准在具有开路集电极输出的逆变输入端。它在电源二次反馈控制、交直流变换器或适配器等应用中具有空间小、成本低等优点。
CXOA4206被设计为一个具有少量外部组件的OVP检测器。典型应用实例的电路图如下：
˙3.0V~25V宽工作电压
˙固定参考电压：1.25V
˙低输入偏置电压：1mV
高温高精度：1%
˙集电极开路输出
˙吸收电流高达20毫安
[ CXOA4206 ]
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目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
一.产品概述
The CXOA4206 is composed one op-amp (OPA) with a 1.25V precision voltage reference on inverting input with an open collector output. It is applied to offer space and low cost in many applications such as the secondary feedback control of power supply, AC / DC converter or adaptor.
The CXOA4206 is designed as an OVP detector with few external components. The circuit diagram of typical application example is shown as below:
二.产品特点
˙Wide Operating Voltage From 3.0V~25V
˙Fixed Reference Voltage: 1.25V
˙Low input Offset Voltage: 1mV
˙High Precision Over Temperature: 1%
˙Open Collector Output
˙Sink Current up to 20mA
˙Package: SOT23-5L
三.应用范围
Ø Battery Charger
Ø High Side Rail Current Detector
Ø SPS (Adaptor)
Ø Current Sense Networking System
四.技术规格书（产品PDF)
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
五.产品封装图
六.电路原理图
七.相关芯片选择指南 更多同类产品......
| 运算放大器OPERATIONAL AMPLIFIER | ||||||||
| Part No. | VIN | IOUT | Reference | Swing | Notes | Package | Status | |
| (Min) | (Max) | Voltage | ||||||
| (V) | (mA) | (V) | ||||||
| CXOA4205 | 3 | 25 | 20 | 1.25 | Rail-to-Rail | Reference V on non-Inverting Input | SOT23-5 | MP |
| CXOA4206 | 3 | 25 | 20 | 1.25 | Rail-to-Rail | Reference V on Inverting Input | SOT23-5 | MP |
| CXOA4207 | 3 | 25 | 20 | 1.25 | Rail-to-Rail | Single OP | SOT23-5 | MP |
| CXOA4208 | 2.5 | 32 | 100 | 2.5 | Rail-to-Rail | Dual OP and Renerence V Input | SOP8 | MP |
| CXOA4209 | 3 | 20 | 10 | 1.25 | Rail-to-Rail | Dual OP and Renerence V Input | SOT23-5 | MP |
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下一篇▶:CXOA4207运算放大器OPA组成的单芯片开放式集电极输出电源二次反馈控制交直流变换器或适配器3.0V~25V宽工作电压集电极开路输出吸收电流高达20毫安
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