CXSU6393是一款输出达5V/3A, 3.3V输入下升压5V/2A效率高达90%以上的真关断同步升压转换器。CXSU6393采用了固定1MHz的振荡频率，采用2.2uH电感，仅需要两个22uF输出电容即可达到50mV的输出纹波。在如此大电流，高效率，高稳定性输出的条件下，同时具备极高功率密度的设计，采用QFN3x3-16的封装包装形势，同时CXSU6393集成了能兼容苹果和三星平板电脑大电流充电的USB接口自动识别功能。
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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
CXSU6393是一款输出达5V/3A, 3.3V输入下升压5V/2A效率高达90%以上的真关断同步升压转换器。CXSU6393采用了固定1MHz的振荡频率，采用2.2uH电感，仅需要两个22uF输出电容即可达到50mV的输出纹波。在如此大电流，高效率，高稳定性输出的条件下，同时具备极高功率密度的设计，采用QFN3x3-16的封装包装形势，同时CXSU6393集成了能兼容苹果和三星平板电脑大电流充电的USB接口自动识别功能。以为CXSU6393在包括空载下的任何负载，都是固定频率，特别适合MIFI、Mini PCI-E模块、大功率蓝牙音箱等对某些频率（如音频之于音箱，射频之于无线通信系统）干扰敏感的电子系统。
CXSU6393 is an CX Solutions’ high efficiency, high frequency synchronous Step-Up converter, capable of delivering output current up to 3A at a 5V output from a 3.6V input. With a low Rdson Power MOS and a built-in synchronous rectifier, its efficiency can be as high as 93% at a 5V/2.1A load. This greatly minimizes power dissipation and reduces heat on the IC, making it ideal for applications that require small board space and have stringent temperature constraints, such as power banks and mobile devices. CXSU6393 also incorporates CX Solutions’ True-Shutoff○R technology that protects against overload and short-circuit conditions. All of these features are integrated in a tiny QFN3x3-16 package. With 1MHz switching frequency, small external input and output capacitors and inductor can be used. CXSU6393 employs a FORCED-PWM control scheme, therefore, the switching frequency is fixed at any load. It makes CXSU6393erfect for systems that sensitive to low frequency noise, like audio system and communication system.
二.产品特点
◆5V/3A输出功率
◆高达97%的转换效率
◆固定1MHz开关频率
◆纯PWM控制方式
◆内置USB充电接口自动识别
◆输出真关断
◆同步整流升压
◆最大限流点可调
◆输出电压可调
◆欠压阀值可选
◆Up to 97% Energy Converting Efficiency Š
◆Up to 3A output current at 5V output, 3.6V input Š
◆Externally adjustable output voltage Š
◆True Shut off during shutdown and output shortcircuit protection Š
◆ Thermal Shutdown Š
◆Forced PWM at light load Š
◆QFN3x3-16
三.应用范围
◆移动MIFI
◆随身充电宝
◆Mini PCI-E模块
◆蓝牙音响
◆USB HUB等
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
| DC-DC>同步升压 | |||||||||||
| Device | Device | Architecture | VIN | VOUT | Isw | Vfb | Switching | IQ | Package | ||
| Description | (min) | (max) | (min) | (max) | (max) | (V) | Frequency | (uA) | |||
| (V) | (V) | (V) | (V) | (A) | (Hz) | ||||||
| CXSU6382 | 12W/20V异步升压 | 外部补偿 | 2.7 | 5.5 | Vin | 20 | 可调 | 0.6 | 可调 | 600 | ESOP8 |
| CXSU6383 | 10uA Iq 同步升压 | 内部补偿 | 0.85 | 4.5 | 2.1 | 5 | 0.7 | 0.6 | 1M | 10 | SOT23-5 |
| CXSU6384 | 500mA同步升压 | 内部补偿 | 0.85 | 4.5 | 2.1 | 5 | 1 | 0.6 | 1M | 60 | SOT23-5 |
| CXSU6385 | 500mA 3-Pin同步升压 | 内部补偿 | 0.85 | 4.5 | 3.3 | 5 | 1 | N/A | 1M | 60 | SOT89-3 |
| CXSU6386 | 900mA真关断同步升压 | 内部补偿 | 0.85 | 4.5 | 2.1 | 5 | 1.5 | 0.6 | 2M | 40 | DFN2x2-6 |
| CXSU6387 | 3W真关断同步升压 | 内部补偿 | 0.85 | 4.5 | 2.1 | 5 | 1.5 | N/A | 2M | 40 | SOT23-5 |
| CXSU6388 | 5V/2.5A真关断同步升压 | 内部补偿 | 2.65 | 4.5 | 5 | 5 | 5 | N/A | 1M | 120 | DFN3x3-12 |
| CXSU6389 | 5V/2A真关断同步升压 | 内部补偿 | 3.1 | 4.5 | 5 | 5 | 5 | N/A | 1M | 120 | DFN3x3-12 |
| CXSU6390 | 5V/2.5A真关断同步升压 | 内部补偿 | 3.1 | 4.5 | 5 | 5 | 5 | N/A | 1M | 120 | DFN3x3-12 |
| CXSU6391 | 5V/2.5A真关断同步升压 | 内部补偿 | 1.8/3.1 | 5 | Vin | 5.5 | 6 | 0.6 | 1M | 50 | DFN3x3-12 |
| CXSU6392 | 5V/2.5A真关断同步升压 | 内部补偿 | 1.8/3.1 | 5 | Vin | 5.5 | 6 | 0.6 | 1M | 50 | QFN3x3-16 |
| CXSU6393 | 5V/2.5A真关断同步升压 | 纯PWM/内部补偿 | 1.8/3.1 | 5 | Vin | 5.5 | 6 | 0.6 | 1M | 10000 | QFN3x3-16 |
| CXLE8201 | 高效单串10颗LED驱动 | 外部补偿 | 2.7 | 6 | Vin | 40 | 0.7 | 0.2 | 600K | 600 | SOT23-6 |
| CXLE8202 | 高效单串10颗LED驱动 | 外部补偿 | 2.7 | 6 | Vin | 40 | 0.7 | 0.2 | 600K | 600 | DFN2x2-6 |
| CXLE8203 | 10W/24V异步升压 | 内部补偿 | 2.7 | 6 | Vin | 24 | 3 | 0.2 | 1M | 250 | SOT23-6 |
| CXLE8204 | 高效单串10颗LED驱动 | 内部补偿 | 2.7 | 6 | Vin | 40 | 1 | 0.2 | 800K | 250 | SOT23-6 |
