目录

1.产品概述       2.产品特点     I2r嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）I2r嘉泰姆

5.产品封装       6.电路原理图  I2r嘉泰姆

7.相关产品I2r嘉泰姆

   产品概述 返回TOPI2r嘉泰姆

The CXSD62143 is a 8A, synchronous, step-down converter with integrated 30mW N-channel High-Side MOSFET and 9mW Low-Side MOSFET. The CXSD62143 steps down high voltage to generate low-voltage chipset or RAM supplies in notebook computers. The CXSD62143 provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Mode (PFM), the CXSD62143 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 CXSD62143 is equipped with accurate current-limit, output under-voltage, and output over-voltage protections, perfect for various applications. A Power-On-Reset function monitors the voltage on VCC to prevent wrong operation during power-on. The CXSD62143 has external adjustable soft-start and built-in an integrated output discharge method for soft stop. A soft-start ramps up the output voltage with programmable timing to reduce the start-up current. A soft-stop function actively discharges the output capacitors. The CXSD62143 is available in TQFN4x4-22 (Power PAK).

   产品特点 返回TOPI2r嘉泰姆

· Adjustable Output Voltage from +0.8V to +12V - 0.8V Reference Voltage - +1% Accuracy over Temperature I2r嘉泰姆

· Operates from An Input Battery Voltage Range of +2.7V to +28V · Power-On-Reset Monitoring on VCC pin I2r嘉泰姆

· Excellent line and load transient responses I2r嘉泰姆

· PFM mode for increased light load efficiency I2r嘉泰姆

· Programmable PWM Frequency from 100kHz to 1000kHz I2r嘉泰姆

· Integrated 30mW at VCC=5V N-Channel MOSFET For High Side I2r嘉泰姆

· Integrated 9mW atVCC=5VN-Channel MOSFET For Low Side I2r嘉泰姆

· Integrated Bootstrap Forward P-CH MOSFET I2r嘉泰姆

· External Adjustable Soft-Start and Soft-Stop I2r嘉泰姆

· Selectable Forced PWM or automatic PFM/PWM mode I2r嘉泰姆

· Power Good Monitoring I2r嘉泰姆

· 70% Under-Voltage Protection I2r嘉泰姆

· 125% Over-Voltage Protection I2r嘉泰姆

· Current-Limit Protection I2r嘉泰姆

- Using Sense Low-Side MOSFET’s RDS(ON) I2r嘉泰姆

· Over-Temperature Protection I2r嘉泰姆

· TQFN-22 4mmx4mm package I2r嘉泰姆

· Lead Free and Green Device Available (RoHS Compliant)I2r嘉泰姆

   应用范围 返回TOPI2r嘉泰姆

· Notebook I2r嘉泰姆

· Mother Board I2r嘉泰姆

· Table PC I2r嘉泰姆

· Hand-Held Portable I2r嘉泰姆

· AIO PC I2r嘉泰姆

· Set-top boxes I2r嘉泰姆

· LCD TVI2r嘉泰姆

   技术规格书（产品PDF) 返回TOP I2r嘉泰姆

     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！I2r嘉泰姆

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产品封装图 返回TOPI2r嘉泰姆

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电路原理图 返回TOPI2r嘉泰姆

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