CXSU6356系列是一种采用CMOS工艺的低电源电流同步PFM升压DC/DC变换器集成电路。采用先进的电路设计,降低了开关过程中产生的高频噪声,输出电压可编程为0.1V级,在1.8~6.0V之间,用CXSU6356Xxx构成一个低纹波、高效率的升压型DC/DC变换器
 
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 Operating voltage range:0.9V~6.0V
 Output voltage range:1.8V~6.0V(step 0.1V)
 Output voltage accuracy:±2%
 Output Current:If VIN=1.26V and VOUT=2.1V,then IOUT=100mA
 Low start voltage:≤0.9V(at IOUT =1mA)
 Maximum oscillator frequency:140KHz
 Package:SOT23-3,SOT89-3
 Power source for wireless mouse, wireless keyboard, toys, cameras, camcorders, VCRs, PDAs, and hand-held communication equipment
 Power source for appliances which require higher cell voltage than that of batteries used in the appliances
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| Step-Up DC/DC Converter(升压DC/DC转换器) | ||||||||
| Part | MODE | VIN | VOUT | Accu | FOSC | Eff. | Application | Package | 
| PFM | 0.9-6.5V | 3.0-5.0V | ±2.5% | 100K | 85% | ①②③④⑤⑥⑧ | SOT23-3/SOT23-5/SOT89-3 | |
| PWM | 0.9-6.5V | 3.0-5.0V | ±2.5% | 100K | 87% | ①②③④⑤⑥⑧ | SOT23-3/SOT23-5/SOT89-3 | |
| PFM | 0.9-6.5V | 2.7-5.6V | ±2.5% | 180K | 85% | ①②③④⑤⑥⑦ | SOT23-5/SOT89-3/SOT23-3/TO92 | |
| PFM/PWM | 0.9-6.5V | <20V | ±2% | 300K | 88% | ⑥⑦⑨⑩ | SOT23-5 | |
| PFM | 0.9-6.5V | 1.8-6.0V | ±2% | 150K/ | 85% | ①②③④⑤⑥ | SOT89-3//SOT23-5/SOT23-3 | |
| PFM/PWM | 0.9-6.5V | <20V | ±2% | 300K | 88% | ⑥⑦⑨⑩ | SOT23-5 | |
| CHARGE | 2.7-5.5V | 5.0V | ±3% | 650K | 81% | ①②④⑦⑧ | SOT23-6 | |
| PFM/PWM | 0.9-6.5V | <20V | ±2% | 1M | 85% | ⑥⑦⑨⑩ | SOT23-5/ | |
| PFM/PWM | 0.9-6.5V | <20V | ±2% | 1M | 85% | ⑥⑦⑨⑩ | SOT23-5/SOT89-5 | |
| PFM/PWM | 2.5-5.0V | <12V | ±2% | 1M | 85% | ⑥⑦⑨⑩ | SOT23-6 | |
| PFM/PWM | 2.5-5.0V | <20V | ±2% | 1M | 88% | ①⑥⑦⑨⑩ | SOT23-6 | |
| PFM/PWM | 0.9-6.5V | <20V | ±2% | 1.2M | 85% | ⑥⑦⑨⑩ | SOT23-6 | |
| PFM/PWM, Synchronous | 2.9-4.4V | <5.5V | ±2% | 1M | 94% | ①②④⑦ | ESOP8 | |
| PFM, Synchronous | 0.9-6.5V | 1.8-6.0V | ±2% | 330K | 85% | ①②③④⑤⑥ | SOT89-3/ SOT23-5/SOT23-3 | |
| PFM, Synchronous | 0.9-5.0V | 1.8-5.0V | ± 2% | 400K | 95% | ①②④⑥⑦ | SOT89/SOT23/SOT23-5/TO92 | |
| PFM, Synchronous | 0.9-6.0V | 1.8-6.0V | ±2% | 140K | 81% | ①②③④⑤⑥ | SOT89/SOT23-3 | |
| Applications: ①Battery powered equipment②Wireless mouse, Wireless keyboard③Toys④Camera, Video camera⑤VCR⑥PDA⑦LED Lighting⑧Wireless communication equipment⑨MID⑩Audio equipment | ||||||||