CXSU63175是一个单脉冲宽度调制、步进式直流控制器，具有低工作电压应用，集成了软启动和短路检测功能。芯片上的振荡器开关频率可通过端接OSC管脚，将电容器和电阻连接起来，实现工作频率的可调。软启动通过外部电容器进行调整，设置输入电流斜坡
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产品概述 返回TOP
The CXSU63175 is a single PWM, step‐up DC‐DC controller with low operating voltage application integrating softstart and short circuit detection function. The oscillator switching frequency on chip can be operated by terminating OSC pin to connect capacitor and resistor for adjustable operating frequency. Soft‐start is adjusted with the external capacitor, which sets the input current ramp. Besides, the external compensation FB pin will apply the flexibility in the dynamic loop status, which allows using small and low equivalent series resistance (ESR) ceramic output capacitors. The CXSU63175 is available in a Pb‐free, SOP‐8 and TSSOP‐8package.The CXSU63175 is a single PWM, step‐up DC‐DC controller with low operating voltage application integrating softstart and short circuit detection function. The oscillator switching frequency on chip can be operated by terminating OSC pin to connect capacitor and resistor for adjustable operating frequency. Soft‐start is adjusted with the external capacitor, which sets the input current ramp. Besides, the external compensation FB pin will apply the flexibility in the dynamic loop status, which allows using small and low equivalent series resistance (ESR) ceramic output capacitors. The CXSU63175 is available in a Pb‐free, SOP‐8 and TSSOP‐8package.
产品特点 返回TOP
2.5 to 5.5V Input Voltage Range
Adjustable Frequency: Maximum 1MHZ
Incorporates Soft‐Start Function
Built‐in Short‐Circuit Detection Circuit (SCP)
Low Operating Current: Maximum to 1mA
Low Shutdown Current: Maximum to 1μA
Under‐Voltage Lockout
Package: SOP‐8 and TSSOP‐8
Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
LCD Display Power Source
PDA, PMP, MP3
Digital Camera
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 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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