CXSU63006B是一个恒定频率、6针SOT33电流模式升压转换器,适用于小功率应用。开关频率为1.2兆赫,允许使用高度小于等于2毫米的小型低成本电容和电感。内部软启动可产生较小的浪涌电流,延长电池寿命。具有在轻负载时自动切换到脉冲频率调制模式的功能。包括欠压锁定、限流和热过载保护,以防止输出过载时损坏。
 
 
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                                     [ CXSU63006B ] 
目录
产品概述 返回TOP
            The CXSU63006B is a constant frequency, 6-pin SOT23 current mode step-up converter intended for small,low power applications. The CXSU63006B switches at1.2MHz and allows the use of tiny, low costcapacitors and inductors 2mm or less in height.Internal soft-start results in small inrush current and extends battery life.
            The CXSU63006B features automatic shifting to pulsefrequency modulation mode at light loads. The  CXSU63006B includes under-voltage lockout, current limiting, and thermal overload protection to prevent damage in the event of an output overload. 
The CXSU63006B is available in a small 6-pin SOT-23 package.
产品特点 返回TOP
· Integrated 80mΩ POWer MOSFET
· 2V to 24V Input Voltage
· 1.2MHz Fixed Switching Frequency
· Internal 4A Switch Current Limit
· Adjustable Output Voltage
· Internal Compensation
· Up to 28V Output Voltage
· Automatic Pulse Frequency Modulation Mode at Light Loads
· up to 97% Efficiency
· Available in a 6-Pin SOT23-6 Package
应用范围 返回TOP
· Battery-Powered Equipment
· Set-Top Boxed
· LCD Bais Supply
· DSL and Cable Modems and Routers
· Networking cards powered from PCI or PCI express slots
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP

| PIN | NAME | FUNCTION | 
| 1 | SW | Power Switch Output. SW is the drain of the internal MOSFET switch. Connect the power inductor and output rectifier to SW. SW can swing between GND and 28V. | 
| 2 | GND | Ground Pin | 
| 3 | FB | Feedback Input. The FB voltage is 0.6V. Connect a resistor divider to FB. | 
| 4 | EN | Regulator On/Off Control Input. A high input at EN turns on the converter, and a low input turns it off. When not used, connect EN to the input supply for automatic startup. | 
| 5 | IN | Input Supply Pin. Must be locally bypassed. | 
| 6 | NC | NC | 
电路原理图 返回TOP

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| 型号 | 工作模式 | 工作电压范围 | 输出电压 | 输出电压形式 | 输出电压精度 | 最大输出电流 | 静态电流 | 工作频率 | 封装 | |
| PFM | 0.8V-Vout | 2.2/2.7/2.83.0 /3.3/3.6/4.0/5.0 | 固定输出 | ±2% | 500mA | 85% | 4uA | 350KHz | SOT-89 SOT23-3L TO-92 | |
| PWM | 2.7V-5.5V | 最大22V | 可调输出 | ±2% | 300mA | 88% | 90uA | 1MHz | SOT-25 | |
| PWM PFM | 2.5V-6.0V | 最大28V | 可调输出 | ±2% | 1.5A | 90% | 1uA | 1.2MHz | SOT-25 | |
| PWM PFM | 2.5V-6.0V | 最大12V | 可调输出 | ±2% | 3.5A | 95% | 1uA | 1.2MHz | SOT-26 | |
| CXSU63006B | PWM PFM | 2.0V-24V | 最大28V | 可调输出 | ±2% | 4A | 97% | 0.1uA | 1.2MHz | SOT-26 | 
| PWM PFM | 2.0V-24V | 最大28V | 可调输出 | ±2% | 3.5A | 97% | 0.1uA | 1.2MHz | SOT-26 | |
| PWM | 2.5V-5V | 最大18V | 可调输出 | ±2% | 4.5A | 90% | 52uA | 400KHz | SOT-26 | |
| PWM | 2.5V-6.5V | 最大8V | 可调输出 | ±2% | 5A | 93% | 100uA | 1.2MHz | SOT-26 | |
| PWM | 2.3-6V | 最大14V | 可调输出 | ±2% | 4A/带限流保护 | 96% | 0.1uA | 1.2MHz | SOT-26 | |
| CXSU63010B | PWM | 2.3V-6V | 最大26V | 可调输出 | ±2% | 3A/带限流保护 | 96% | 75uA | 1.2MHz | SOT-23-6 | 
| PWM | 2.5V-6.0V | 最大12V | 可调输出 | ±2% | 2A/带限流保护 | 90% | 200uA | 1.2MHz | SOT-26 | |
| PWM PFM | 0.9V-6.0V | 1.5V-12V | 可调输出 | ±2% | 4A | 90% | 0.5uA | 1MHz | SOT-25 | |
| PWM | 2.0V-5.5V | 最大24V | 可调输出 | ±2% | 3A | 90% | 15uA | 400KHz | SOT-26 | |
| PWM | 1.2V-15V | 最大34V | 可调输出 | ±2% | 350mA | 80% | 1uA | 1MHz | SOT-25 | |
| PWM | 0.8V-6V | 最大12V | 可调输出 | ±2% | 2.0A | 90% | 14uA | 500KHz | SOT-26 | |
| CXSU63015B | PWM | 2.5V-5.5V | 最大10V | 可调输出 | ±2% | 2.2A | 92% | 21uA | 1MHz | SOT-26 | 
| PWM | 2.6V-6.0V | 最大12V | 可调输出 | ±2% | 3.5A | 90% | 170uA | 1MHz | ESOP-8 | |
| CXSU63016B | PWM | 2.5V-6.0V | 最大9V | 可调输出 | ±2% | 4.5A | 95% | 0.1uA | 1MHz | ESOP-8 | 
| PWM | 2.5V-6.5V | 最大8V | 可调输出 | ±2% | 5.5A | 93% | 100uA | 1.2MHz | ESOP-8 | |
| PWM | 2.7V-6.5V | 最大24V | 可调输出 | ±2% | 12A | 96% | 140uA | 600KHz | ESOP-8 | |
| PWM | 2.3V-6V | 最大14V | 可调输出 | ±2% | 4A | 90% | 75uA | 1.2MHz | MSOP-8 | |
| PWM | 2.3V-6V | 最大26V | 可调输出 | ±2% | 2.8A | 96% | 75uA | 1.2MHz | SOP-8PP | |
| CXSU63021D | PWM | 1.6V-6V | 最大14V | 可调输出 | ±2% | 4A | 96% | 75uA | 1.2MHz | SOP-8PP | 
| PWM | 3.6V-26V | 最大60V | 可调输出 | ±2% | 2A | 90% | 70uA | 400KHz | SOP-8 | |
| PWM | 3.6V-36V | 最大60V | 可调输出 | ±2% | 3A | 92% | 70uA | 400KHz | TO252-5L | |
| PWM | 5V-45V | 最大60V | 可调输出 | ±2% | 5A | 94% | 70uA | 220KHz | TO263-5L | |
◀ 上一篇:恒定频率峰值电流模式的异步PWM升压转换器3A峰值1.5A输出负载电流CXSU63006低导通电阻0.13Ω
下一篇▶:小功率模式升压转换器CXSU63007开关频率为1.2兆赫自动切换到脉冲频率4A开关电流限制可调输出电压
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