Cxsu6331 is a constant peak current mode asynchronous PWM boost converter. An external Schottky diode is required. Turn off current is less than 0.1au. The on resistance of internal NMOS is 50m Ω, which ensures high efficiency in the whole output load range. 4 5A. Peak current enables the cxsu6331 to provide 2A output load current. Very suitable for mid and mobile power supply. The input voltage range is 2.5V ~ 5.5V. The internal working frequency is set at 1.0mhz.
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目录
产品概述 返回TOP
CXSU6331是一个恒定峰值电流模式的异步PWM升压转换器。需要一个外部肖特基二极管。关断电流小于 0.1Au 。内部NMOS管导通电阻为50mΩ，保证在整个输出负载范围内高效率 保证在整个输出负载范围内高效率。4 5A. 峰值电流使得 CXSU6331可以提供2A输出负载电流。非常适应于MID和移动电源。输入电压范围2.5V~5.5V。内部工作频 率是设定在1.0MHz。
产品特点 返回TOP
输入电压范围2.5V~5.5V
输出电压可调，最大9V
高效率：高达92%
1 0MHz固定开关频率
1.0MHz固定开关频率
4.5A开关限流
低导通电阻0.05 Ω 精准参考电压：0.6V 微型化外围元件
<0.1μA停机电流
过压保护
过温保护
应用范围 返回TOP
白光LED驱动
PCI或PCI-express插槽的网卡电源
MID和移动电源
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产品封装图 返回TOP
电路原理图 返回TOP
相关芯片选择指南 返回TOP
| DC-DC(Boost) | ||||||||
| Product | Character | Maximum Effciency | Operating Voltage | Quiescent Iq | Output Voltage | Output Versions | Accuracy | Package |
| CXSU6328 | 1.2MHz 850mA Synchronous PWM | 92% | 0.85~5.0V | 300μA | 2.5~5.0V | Adj 3.0V/3.3V | ±3% | SOT23-6L |
| CXSU6329 | 1.2MHz 850mA Synchronous PWM | 92% | 1.0~5.0V | 300μA | 2.5~5.0V | Adj 3.0V/3.3V | ±3% | SOT23-6L |
| CXSU6330H | 1MHz 3A Asynchronous PWM | 92% | 2.5～5.5V | 100μA | 3.2～5.3V | Adj | ±2% | SOT23-6L |
| CXSU6331 | 1MHz 3A Asynchronous PWM | 92% | 2.5~5.5V | 100μA | 3.2~5.5V | Adj | ±2% | SOT23-6L |
| CXSU6332 | 1MHz 6.5A Asynchronous PWM | 96% | 2.5~5.0V | 70μA | 3.2～5.3V | Adj | ±2% | SOP8-PP |
| CXSU6332A | 500kHz 6.5A Synchronous PWM with prog | 96% | 2.5~5.0V | 70μA | 3.2～5.3V | Adj | ±2% | SOP8-PP |
| CXSU6333 | 1MHz 2A Asynchronous PWM | 92% | 3~25V | 100μA | 3.7~25V | Adj | ±2% | SOT23-6L |
| CXSU6334 | 250KHz 75% Duty Asynchronous PFM | 88% | 0.8~5.5V | 11μA | 1.5~6.0V |
2.8V/3.0V/3.3 V/3.6V/5.0V/etc |
±2% | SOT23-3L SOT89-3L |
| CXSU6335 | 300KHz 800mA Synchronous PFM | 95% | 0.8~5.0V | 15μA | 2.5~5.0V |
2.8V/3.0V/3.1 V/3.3V/3.6V/5.0V/etc |
±2.5% | SOT23-3L SOT23-5L SOT89-3L |
| CXSU6336 | 1.2MHz, Regulated Charge Pump DC/DC Converter | 81% | 2.5~5.5V | 1.8mA | 5V | 5V | ±4% | SOT23-6L |
| CXSU6336B | 400KHz, Regulated Charge Pump DC/DC Converter | 81% | 2.5~5.5V | 0.65mA | 5V | 5V | ±4% | SOT23-6L |
