CXAC431A CXAC431B系列集成电路是三端可调并联调节器,在整个工作范围内保证热稳定性。这些集成电路具有很强的导通特性、较低的温度系数和较低的输出阻抗,是开关电源、充电器和其他可调稳压器等应用中齐纳二极管的理想替代品。CXAC431电压类型为40V,输出电压可设定为VREF(2.5V)与对应的最大阴极电压之间的任何值。CXAC431A精度基准提供两种带隙公差:0.4%和0.8%
●可编程精确输出电压2.5V至36V
●非常精确的参考电压:典型的0.15%
●电容负载下的高稳定性
●低温偏差:典型4.5mV
●低等效全量程温度系数,典型值为20PPM/℃
●低动态输出电阻:典型0.2Ω
●汇电流容量从1毫安到100毫安
●低输出噪声
●宽工作范围-40至125摄氏度
[ CXAC431A ]
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产品概述 返回TOP
产品特点 返回TOP
●Programmable Precise Output Voltage from 2.5V to 36V
●Very Accurate Reference Voltage: Typical 0.15%
●High Stability under Capacitive Load
●Low Temperature Deviation: Typical 4.5mV
● Low Equivalent Full-range Temperature Coefficient with 20PPM/℃ Typical
●Low Dynamic Output Resistance: Typical 0.2Ω
● Sink Current Capacity from 1mA to 100 mA
● Low Output Noise
● Wide Operating Range of -40 to 125℃
●TO-92, SOT23-3 package
应用范围 返回TOP
● Charger
●Voltage Adapter
●Switching Power Supply
●Graphic Card
●Precision Voltage Reference
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
AC/DC Converter Supply(AC/DC转换器配套芯片) | ||||||
Part Number | VKA | IKA | VREF | Voltage Tolerance | IKA(MIN) | Package |
CXAC431A | VREFto 36V | 1 to 100mA | 2.5V | ±0.4% | 400uA | TO92/ SOT23-3 |
CXAC431B | VREF to 36V | 1 to 100mA | 2.5V | ±1% | 400uA | TO92/ SOT23-3 |
Part Number | Vcc | Vsense | VREF | Voltage Tolerance | Supply Current | Package |
CXAC8520A | 12V | 200mv | 1.21V | ±1% | 1.2mA | SOT23-6 |
CXAC8520B | 18V | 200mv | 1.21V | ±1% | 1.2mA | SOT23-6 |
CXAC8520C | 18V | 70mv | 1.21V | ±1% | 1.2mA | SOT23-6 |
Part Number | Viso | Vcotl | CTR | Voltage Tolerance | IDD | Package |
CXAC8521-5 | 5000V | 5.0V | 50-600% | ±3% | 50mA | DIP4 |
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