CXSD62397

CXSD62397提供简单、单反馈回路、电压模式控制和快速瞬态响应。它包括一个300kHz自由运行的三角波振荡器。误差放大器采用15MHz增益带宽产品,为快速瞬态性能提供高转换带宽。由此产生的PWM占空比在0%到80%之间。参考电压为0.8V,精度为2%CXSD62397具有内部软启动,并在软启动间隔期间执行逐周电流限制。CXSD62397通过使用低端MOSFET的RDS(ON)来监测电流,从而消除了对电流感应电阻器的需要。欠压保护功能监控FB引脚的电压。软启动间隔后的过流和欠压事件触发了小电流模式保护

电压模式脉宽调制控制CXSD62397快速瞬态响应同步整流buck拓扑中驱动两个N通道mosfet大功率DC转换器恒定300kHz开关频率

产品手册

产品订购

产品简介

目录

1.产品概述       2.产品特点     ARZ嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)ARZ嘉泰姆

5.产品封装       6.电路原理图  ARZ嘉泰姆

7.相关产品ARZ嘉泰姆

   产品概述 返回TOPARZ嘉泰姆


The CXSD62397 provides complete control and protection for a DC-DC converter for high power applications. It is designed to drive two N-channel MOSFETs in a synchronous-rectified buck topology. The CXSD62397 integrates all of the control, bootstrap diode and protection functions into a single package. The CXSD62397 provides simple, single feedback loop, voltage-mode control with fast transient response. It includes a 300kHz free-running triangle-wave oscillator. The error amplifier features a 15MHz gain-bandwidth product which provides high converter bandwidth for fast transient performance. The resulting PWM duty ratio ranges from 0% to 80%. The reference voltage is 0.8V, 2% accuracy. The CXSD62397 has internal soft start and executes cycle-by-cycle current limit during soft start interval. The CXSD62397 monitors the current by using the RDS(ON) of the low-side MOSFET which eliminates the need for a current sensing resistor. The under-voltage protection function monitors voltage at FB pin. The over-current and under-voltage events after soft-start interval trigger hiccup mode protection.

   产品特点 返回TOPARZ嘉泰姆


„ Drives Two N-Channel MOSFETs ARZ嘉泰姆

„ Operates at 5V to 24V Supply Voltage ARZ嘉泰姆

„ Internal Bootstrap Diode Circuit ARZ嘉泰姆

„ Voltage-Mode PWM Control ARZ嘉泰姆

„ Fast Transient Response ARZ嘉泰姆

„ 0.8V, 2% Accuracy Reference Voltage ARZ嘉泰姆

„ Internal Soft Start ARZ嘉泰姆

„ Constant 300kHz Switching Frequency ARZ嘉泰姆

„ Over-Current Fault Monitors by Using Low-Side MOSFET RDS(ON) ARZ嘉泰姆

„ Output Under-Voltage ProtectionARZ嘉泰姆

   应用范围 返回TOPARZ嘉泰姆


„ 16V to 30V Input High Power DC-DC Regulators ARZ嘉泰姆

„ Low-Voltage Distributed Power SuppliesARZ嘉泰姆

   技术规格书(产品PDF) 返回TOP ARZ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ARZ嘉泰姆

 QQ截图20160419174301.jpgARZ嘉泰姆

产品封装图 返回TOPARZ嘉泰姆


image.pngARZ嘉泰姆

电路原理图 返回TOPARZ嘉泰姆

 ARZ嘉泰姆


 ARZ嘉泰姆

image.png

相关芯片选择指南 返回TOP                                  更多同类产品......


 ARZ嘉泰姆

Synchronous Step Down ControllerARZ嘉泰姆

Part   NO.ARZ嘉泰姆

Vin(V)ARZ嘉泰姆

minARZ嘉泰姆

Vin(V)ARZ嘉泰姆

maxARZ嘉泰姆

IOUTARZ嘉泰姆

(A)ARZ嘉泰姆

FSWARZ嘉泰姆

(kHz)ARZ嘉泰姆

FBARZ嘉泰姆

(V)ARZ嘉泰姆

DutyARZ嘉泰姆

max(%)ARZ嘉泰姆

VOUTARZ嘉泰姆

(ms)ARZ嘉泰姆

NoteARZ嘉泰姆

PackageARZ嘉泰姆

CXSD62393ARZ嘉泰姆

2.5ARZ嘉泰姆

5.5ARZ嘉泰姆

--ARZ嘉泰姆

300ARZ嘉泰姆

1ARZ嘉泰姆

100ARZ嘉泰姆

15ARZ嘉泰姆

EXT, VDD, GND,  CE, FB, Voltage ModeARZ嘉泰姆

SOT-23-5ARZ嘉泰姆

CXSD62394ARZ嘉泰姆

5ARZ嘉泰姆

12ARZ嘉泰姆

OCSETARZ嘉泰姆

300ARZ嘉泰姆

0.8ARZ嘉泰姆

--ARZ嘉泰姆

14ARZ嘉泰姆

BST, DH, GND, DL, VCC, FB, OC, LXARZ嘉泰姆

SOP-8ARZ嘉泰姆

CXSD62395ARZ嘉泰姆

--ARZ嘉泰姆

24ARZ嘉泰姆

OCSETARZ嘉泰姆

300ARZ嘉泰姆

0.8ARZ嘉泰姆

--ARZ嘉泰姆

8ARZ嘉泰姆

BST, DH, GND, DL, VCC, FB, OC, LXARZ嘉泰姆

SOP-8ARZ嘉泰姆

CXSD62396ARZ嘉泰姆

10ARZ嘉泰姆

28ARZ嘉泰姆

--ARZ嘉泰姆

400ARZ嘉泰姆

0.8ARZ嘉泰姆

80ARZ嘉泰姆

3ARZ嘉泰姆

VCC, DL, GND, DH, BST, LX, VIN, FBARZ嘉泰姆

TSOT-23-8ARZ嘉泰姆

CXSD62397ARZ嘉泰姆

5ARZ嘉泰姆

23ARZ嘉泰姆

OCSETARZ嘉泰姆

400ARZ嘉泰姆

0.8ARZ嘉泰姆

80ARZ嘉泰姆

8ARZ嘉泰姆

DH, LX, DL, GND, FB, OC, VCC, BSTARZ嘉泰姆

SOP-8ARZ嘉泰姆

CXSD62398ARZ嘉泰姆

4.5ARZ嘉泰姆

27ARZ嘉泰姆

RSENSEARZ嘉泰姆

ADJARZ嘉泰姆

0.7ARZ嘉泰姆

93ARZ嘉泰姆

ADJARZ嘉泰姆

Asynchronous  Voltage Mode ControllerARZ嘉泰姆

MSOP-10(FD)ARZ嘉泰姆

◀ 上一篇:固定频率的PWM控制器MOSFET驱动器CXSD62396同步单相buck变换器10V至28V输入电压固定400kHz开关频率

返回顶部

下一篇▶:异步降压模式控制器CXSD62398输入电压4.5V至27V电压前馈补偿可编程闭环软启动固定频率35~500KHz