供应CX8507 **大电流车充方案 DC-DC降压IC

CX8507 
General Description 
The CX8507 is a single‐phase, constant‐on‐time, synchronous PWM controller, which drives N‐channel MOSFETs. The CX8507 steps down high voltage to generate low‐voltage chipset or RAM supplies in notebook computers. The CX8507 provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Mode (PFM), the CX8507 provides very high efficiency over light to heavy loads with loading‐modulated switching frequencies. In PWM Mode, the converter works nearly at constant frequency for low‐noise requirements. The CX8507 is equipped with accurate positive current‐limit, output under‐voltage, and output over‐voltage protections, perfect for NB applications. The Power‐On‐Reset function monitors the voltage on VCC to prevent wrong operation during power‐on. The CX8507 has a 1ms digital soft‐start and built‐in an integrated output discharge method for soft‐stop. An internal integrated soft‐start ramps up the output voltage with programmable slew rate to reduce the start‐up current. A soft‐stop function actively discharges the output capacitors with controlled reverse inductor current. The CX8507 is available in 10pin TDFN 3x3 package. 

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产品名称：CX8507
产品属性：5V**(**）
产品类型：DC-DC降压芯片
产品数量：1KK
产品封装：SOP-8封装
产品单价：2.1/PCS (价格面议)