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CXSD6298多种电源电压的单PWM控制器单相恒导通同步的PWM控制器它驱动N通道mosfet | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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目录7.相关产品 产品概述 返回TOP The CXSD6298 is a single-phase, constant on-time, synchronous PWM controller, which drives N-channel MOSFETs. The CXSD6298 steps down high voltage to generate low-voltage chipset, RAM supplies in notebook computers or mother board applications. The CXSD6298 provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Mode (PFM), the CXSD6298 provides very high efficiency over light to heavy loads with loadingmodulated switching frequencies. In PWM Mode, the converter works nearly at constant frequency for low-noise requirements. The unique ultrasonic mode maintains the switching frequency above 37kHz, which eliminates noise in audio application. CXSD6298 is built in remote sense function for applications that require remote sense. The CXSD6298 is equipped with accurate positive current limit, output under-voltage, and output over-voltage protections, perfect for multiform applications. The PowerOn-Reset function monitors the voltage on VCC to prevent wrong operation during power-on. The CXSD6298 has an internal 4ms digital soft start that ramps up the output voltage with programmable slew rate to reduce the startup current. The enable function can let user easy to apply CXSD6298. The CXSD6298is available in 10pin TDFN 3x3 package respectively.产品特点 返回TOP · Adjustable Output Voltage from +0.6V to +5.0V - 0.6V Reference Voltage - +0.6% Accuracy · Operates from An Input Battery Voltage Range of +3V to +25V · Multiform Purpose Input Voltage Collocation - VCC=5V / VIN=8~19V For NB application - VCC=5~12V / VIN=5~12V For table PC application · Remote Feedback Sense for Excellent Output Voltage Regulation · Power-On-Reset Monitoring on VCC pin · Excellent line and load transient responses · Ultrasonic Operation Eliminated Audio Noise · PFM mode for increased light load efficiency · 300kHz Constant PWM Switching Frequency · Integrated MOSFET Drivers · Integrated Bootstrap Forward P-CH MOSFET · Adjustable Integrated Soft-Start · Power Good Monitoring · 70% Under-Voltage Protection · 125% Over-Voltage Protection · Adjustable Current-limit protection - Using Sense Low -Side MOSFET’s RDS(ON) · Over -Temperature Protection · TDFN3x3-10 Package · Lead Free and Green Devices Available (RoHS Compliant) 应用范围 返回TOP · Notebook · Table PC · Hand-Held Portable · AIO PC · Wide input DC/DC Regulators 技术规格书（产品PDF) 返回TOP 需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！ 产品封装图 返回TOP
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发表时间：2020-04-22浏览次数：125
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