Adj的高输入电压8A同步降压脉宽调制转换器软启动CXSD62171 30mW N沟道高侧MOSFET和9mW低侧MOSFET

目录

1.产品概述       2.产品特点     a7E嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）a7E嘉泰姆

5.产品封装       6.电路原理图  a7E嘉泰姆

7.相关产品a7E嘉泰姆

   产品概述 返回TOPa7E嘉泰姆

The CXSD62171 is a 8A, synchronous, step-down converter with integrated 30mW N-channel High-Side MOSFET and 9mW Low-Side MOSFET. The CXSD62171 steps down high voltage to generate low-voltage chipset or RAM supplies in notebook computers. The CXSD62171 provides excellent transient response and accurate DC voltage output in either PFM or PWM Mode. In Pulse Frequency Mode (PFM), the CXSD62171 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 CXSD62171 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 CXSD62171 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 CXSD62171 is available in TQFN4x4-22 (Power PAK).

   产品特点 返回TOPa7E嘉泰姆

· Adjustable Output Voltage from +0.8V to +12V a7E嘉泰姆

- 0.8V Reference Voltage a7E嘉泰姆

- +1% Accuracy over Temperature a7E嘉泰姆

· Operates from An Input Battery Voltage Range of +2.7V to +28V a7E嘉泰姆

· Power-On-Reset Monitoring on VCC pin a7E嘉泰姆

· Excellent line and load transient responses a7E嘉泰姆

· PFM mode for increased light load efficiency a7E嘉泰姆

· Programmable PWM Frequency from 100kHz to 1000kHz a7E嘉泰姆

· Integrated 30mW at VCC=5V Na7E嘉泰姆

-Channel MOSFET For High Side a7E嘉泰姆

· Integrated 9mW atVCC=5VNa7E嘉泰姆

-Channel MOSFET For Low Side a7E嘉泰姆

· Integrated Bootstrap Forward P-CH MOSFET a7E嘉泰姆

· External Adjustable Soft-Start and Soft-Stop a7E嘉泰姆

· Selectable Forced PWM or automatic PFM/PWM mode a7E嘉泰姆

· Power Good Monitoring a7E嘉泰姆

· 70% Under-Voltage Protection a7E嘉泰姆

· 125% Over-Voltage Protection a7E嘉泰姆

· Current-Limit Protection a7E嘉泰姆

- Using Sense Low-Side MOSFET’s RDS(ON) a7E嘉泰姆

· Over-Temperature Protection a7E嘉泰姆

· TQFN-22 4mmx4mm package a7E嘉泰姆

· Lead Free and Green Device Available (RoHS Compliant)a7E嘉泰姆

   应用范围 返回TOPa7E嘉泰姆

· Notebook a7E嘉泰姆

· Mother Board a7E嘉泰姆

· Table PC a7E嘉泰姆

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   技术规格书（产品PDF) 返回TOP a7E嘉泰姆

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产品封装图 返回TOPa7E嘉泰姆

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电路原理图 返回TOPa7E嘉泰姆

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