The CXSU63027 using the external NMOSFET. It is a high efficiency boost converter with 600mV feedback voltage. A switching frequency of 550KHz minimizes solution footprint by allowing the use of tiny low profile inductors and ceramic capacitors. The current mode PWM/PFM design is internally compensated, and the device has a 1.6V startup voltage with 1mA load. It needs few external components, only inductance, resistance and capacitance can meet the driving capacity.
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目录
产品概述 返回TOP
The CXSU63027 using the external NMOSFET. It is a high efficiency boost converter with 600mV feedback voltage. A switching frequency of 550KHz minimizes solution footprint by allowing the use of tiny low profile inductors and ceramic capacitors. The current mode PWM/PFM design is internally compensated, and the device has a 1.6V startup voltage with 1mA load. It needs few external components, only inductance, resistance and capacitance can meet the driving capacity.
产品特点 返回TOP
Min1.6V Startup @1mA Load
600mV Feedback Voltage
550KHz Internal Oscillator
Soft Startup: 10mS Typical
Peak Current Programmable by Bottom Sensing Resistor
300μA Typical Iq
Internal PWM/PFM Auto Mode Switching
Up to 90% Efficiency
External Enable
Power OFF Current<1μA
Over Voltage Protection
140℃ Thermal Shut Down, 20℃ Hysteresis
应用范围 返回TOP
USB Charger
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产品封装图 返回TOP
电路原理图 返回TOP
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外置MOS/扩流输出DC-DC升压IC |
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型号 |
工作模式 |
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 |
效率 |
静态电流 |
工作频率 |
封装 |
|
PWM/PFM |
0.9V-6.0V |
1.5V-20V |
可调输出 |
±2% |
扩流达3A |
90% |
0.5uA |
1MHz |
SOT25 |
|
|
PWM/PFM |
1.8V-6.0V |
最大18V |
可调输出 |
±2% |
扩流达2A |
92% |
70uA |
1.2MHz |
SOT25 |
|
|
PWM/PFM |
1.6V-7.0V |
最大20V |
可调输出 |
±2% |
扩流达2A/恒流输 出和限流保护 |
90% |
350uA |
550KHz |
SOT26 |
|
|
PWM |
4.5V-32V |
最大100V |
可调输出 |
±2% |
扩流达40-50W/带恒 流输出和限流保护 |
5.3uA |
300KHz |
SSOP10 |
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|
PWM |
1.8-15V |
可调输出 |
±4% |
扩流达40-50W/带恒 流输出和限流保护 |
1uA |
1MHz |
SOP8 |
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