CXSU63178是一个同步整流器，固定开关频率（1.2MHZ典型，电流模式步进调节器）。该装置允许使用小电感器和输出电容器用于USB器件。电流模式控制方案提供了快速瞬态响应和良好输出电压精度。
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产品概述 返回TOP
The CXSU63178 is a synchronous rectifier, fixed switching frequency (1.2MHz typical), and current-mode step-up regulator. The device allows use of small inductors and output capacitors for USB devices. The current-mode control scheme provides fast transient response and good output voltage accuracy. At light loads, the CXSU63178 will automatically enter in Pulse Frequency Modulation (PFM) operation to reduce the dominant switching losses. During PFM operation,the IC consumes very low quiescent current and maintains high efficiency over the complete load range.The CXSU63178 also includes current-limit and overtemperature shutdown to prevent damage in the event of an output overload. The CXSU63178 is available in ESOP-8 packages.
产品特点 返回TOP
92%EffiicencySynchronousBoostConverter With 1000-mA Output Current From 1.8V Input
Stable with Low ESR Output Capacitors
Fixed 1.2MHz Oscillator Frequency
Low EMI Converter (Integrated Anti-Ringing Function)
Low Battery Output
Integrated Power SaveModeOperation to Improve Light Load Efficiency
Load Disconnected During Shutdown
Output Current-Limit Protection
Over Temperature Protection
Under Voltage Protection
Enable/ShutdownFunction
Available in ESOP-8 Packages
Lead Free and Green Devices Available(RoHS Compliant)
92%EffiicencySynchronousBoostConverter With 1000-mA Output Current From 1.8V Input
Stable with Low ESR Output Capacitors
Fixed 1.2MHz Oscillator Frequency
Low EMI Converter (Integrated Anti-Ringing Function)
Low Battery Output
Integrated Power SaveModeOperation to Improve Light Load Efficiency
Load Disconnected During Shutdown
Output Current-Limit Protection
Over Temperature Protection
Under Voltage Protection
Enable/ShutdownFunction
Available in ESOP-8 Packages
Lead Free and Green Devices Available(RoHS Compliant)
应用范围 返回TOP
Power Bank
Tablet
Portable Equiment
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产品封装图 返回TOP
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| Step-up Converter | ||||||
| Part No. | Input Voltage | Output Voltage | Current MAX | Frequency | Efficiency | Package |
| CXSU63168 | 6V | 20V | 350mA | 1.25MHz | 90% | SOT23-6 |
| CXSU63169 | 6V | 20V/28V/35V | 1A | 1MHz | 90% | SOT23-6 |
| CXSU63170 | 6V | 24V | 2A | 1.5MHz | 90% | SOT23-6 |
| CXSU63171 | 6V | 6V | 2A | 1MHz | 90% | SOT23-6 |
| CXSU63172 | 6V | 20V | 2A | 1.5MHz | 88% | SOT23-5 |
| CXSU63173 | 6V | 20V | 2A | 1.5MHz | 88% | SOT23-6 |
| CXSU63174 | 20V | 30V | 3.5A | 1.2MHz | 95% | DFN-10 |
| CXSU63175 | 6V | --V | --A | 1MHz | 90% | SOP-8/TSSOP-8 |
| CXSU63176 | 6V | 6V | 2A | 1MHz | 95% | SOT23-6 |
| CXSU63177 | 5V | 5V | 2.1A | 1.2MHz | 92% | /DFN-12/QFN-16QFN-16 |
| CXSU63178 | 5V | 5V | 2.1A | 1.2MHz | 92% | ESOP-8 |
| CXSU63179 | 5V | 5V | 6A | 1.2MHz | 92% | ESOP-8 |
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下一篇▶:自动进入脉冲频率调制CXSU63179同步整流器固定开关频率电流模式升压调节器低ESR输出电容稳定
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