CXSU63025

CXSU63025系列是一种CMOS升压开关稳压器,主要由参考电压源、振荡电路、误差放大器、相位补偿电路、PWM/PFM开关控制电路组成。本产品采用外接低导通电阻Nch功率MOS,适用于高效率、高输出电流的应用场合

CMOS升压开关稳压器CXSU63025由参考电压源振荡电路误差放大器相位补偿电路PWM/PFM开关控制电路组成

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   产品概述 返回TOPyex嘉泰姆


           The CXSU63025 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit,an error amplifier, a phase compensation circuit,a PWM/PFM switching control circuit. With an external low-ON-resistance Nch Power MOS,this product is applicable to applications requiring high efficiency and high output current. 

         The CXSU63025 series switches its operation to the PFM control circuit whose duty ratio is 15% with to the PWM/PFM switching control circuit under a light load and to prevent decline in the efficiency by IC operation current.

   产品特点 返回TOPyex嘉泰姆


1.)Low voltage operation: Start-up is guaranteed from 0.9 Vyex嘉泰姆
    (IOUT =1 mA )yex嘉泰姆
2.)Duty ratio: Built-in PWM/PFM switching control circuit 15 to 78 %yex嘉泰姆
3.)oscillator frequency:1.0MHzyex嘉泰姆
4.)External parts: coil, diode, capacitor, and transistoryex嘉泰姆
5.)Output voltage range: 1.5V ~20Vyex嘉泰姆
6.)Output voltage accuracy:±2%yex嘉泰姆
7.)Soft start function: 2 mS.yex嘉泰姆
8.)PACKAGE:SOT23-5yex嘉泰姆

   应用范围 返回TOPyex嘉泰姆


MP3 players, digital audio playersyex嘉泰姆
Digital cameras, GPS, wireless transceiveryex嘉泰姆
Portable devicesyex嘉泰姆

   技术规格书(产品PDF) 返回TOP yex嘉泰姆


     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yex嘉泰姆

 QQ截图20160419174301.jpgyex嘉泰姆

产品封装图 返回TOPyex嘉泰姆


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Pin Number Pin Name Function
SOT23-5
1    
FB Feed Back voltage pin  
2 VDD IC power supply pin
3 CE Shutdown pin
4 GND GND pin
5 EXT External transistor connection pin

电路原理图 返回TOPyex嘉泰姆


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外置MOS/扩流输出DC-DC升压ICyex嘉泰姆

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工作模式yex嘉泰姆

电压范围yex嘉泰姆

输出电压yex嘉泰姆

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压形式yex嘉泰姆

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压精度yex嘉泰姆

最大输出电流yex嘉泰姆

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静态电流yex嘉泰姆

工作频率yex嘉泰姆

封装yex嘉泰姆

CXSU63025yex嘉泰姆

PWM/PFMyex嘉泰姆

0.9V-6.0Vyex嘉泰姆

1.5V-20Vyex嘉泰姆

可调输出yex嘉泰姆

±2%yex嘉泰姆

扩流达3Ayex嘉泰姆

90%yex嘉泰姆

0.5uAyex嘉泰姆

1MHzyex嘉泰姆

SOT25yex嘉泰姆

CXSU63026yex嘉泰姆

PWM/PFMyex嘉泰姆

1.8V-6.0Vyex嘉泰姆

最大18Vyex嘉泰姆

可调输出yex嘉泰姆

±2%yex嘉泰姆

扩流达2Ayex嘉泰姆

92%yex嘉泰姆

70uAyex嘉泰姆

1.2MHzyex嘉泰姆

SOT25yex嘉泰姆

CXSU63027yex嘉泰姆

PWM/PFMyex嘉泰姆

1.6V-7.0Vyex嘉泰姆

最大20Vyex嘉泰姆

可调输出yex嘉泰姆

±2%yex嘉泰姆

扩流达2A/恒流输yex嘉泰姆

出和限流保护yex嘉泰姆

90%yex嘉泰姆

350uAyex嘉泰姆

550KHzyex嘉泰姆

SOT26yex嘉泰姆

CXSU63030yex嘉泰姆

PWMyex嘉泰姆

4.5V-32Vyex嘉泰姆

最大100Vyex嘉泰姆

可调输出yex嘉泰姆

±2%yex嘉泰姆

扩流达40-50W/带恒yex嘉泰姆

流输出和限流保护yex嘉泰姆

 

5.3uAyex嘉泰姆

300KHzyex嘉泰姆

SSOP10yex嘉泰姆

CXSU63031yex嘉泰姆

PWMyex嘉泰姆

1.8-15Vyex嘉泰姆

 

可调输出yex嘉泰姆

±4%yex嘉泰姆

扩流达40-50W/带恒yex嘉泰姆

流输出和限流保护yex嘉泰姆

 

1uAyex嘉泰姆

1MHzyex嘉泰姆

SOP8yex嘉泰姆

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