CXSD62362

CXSD62362型PWM控制器采用恒导通控制方案,可以方便地处理宽的输入/输出电压比,在保持相对恒定的开关频率的同时,对负载瞬态提供100ns的“瞬时通”响应。CXSD62362A/CXSD62362通过消除传统电流模式PWMs中的电流感应电阻,以较低的成本实现了高效率。驱动超大同步整流mosfet的能力进一步提高了效率。单级降压转换允许这些设备直接降压高压电池,以获得尽可能高的效率。

PWM控制器线路和负载的1%输出精度CXSD62362用于CPU核心芯片组DRAM四个电阻可编程输出电压

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目录

1.产品概述       2.产品特点     n2j嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)n2j嘉泰姆

5.产品封装       6.电路原理图  n2j嘉泰姆

7.相关产品n2j嘉泰姆

   产品概述 返回TOPn2j嘉泰姆


     CXSD62362A/CXSD62362B PWM controller uses constant on-time control scheme to handle wide input/output voltage ratios with ease and provides 100ns “instant-on” response to load transients while maintaining a relatively constant switching frequency. The CXSD62362A/CXSD62362 achieves high efficiency at a reduced cost by eliminating the current-sense resistor found in traditional current-mode PWMs. Efficiency is further enhanced by an ability to drive very large synchronous rectifier MOSFETs. Single-stage buck conversion allows these devices to directly step down high-voltage batteries for the highest possible efficiency. Alternatively, two-stage conversion (stepping down the +5V system supply instead of the battery) at a higher switching frequency allows the minimum possible physical size. The CXSD62362/CXSD62362 is intended for CPU core, chipset, DRAM, or other low-voltage supplies as low as 0.75V. It provides four resistor-programmable output voltages by G0 and G1 digital inputs. The CXSD62362/CXSD62362 is available in 16-pin TQFN (3X3) package.

   产品特点 返回TOPn2j嘉泰姆


„ Ultra-High Efficiency n2j嘉泰姆

„ No Current-Sense Resistor (Lossless ILIMIT) n2j嘉泰姆

„ Quasi-PWM with 100ns Load-Step Response n2j嘉泰姆

„ 1% VOUT Accuracy Over Line and Load n2j嘉泰姆

„ 0.75V to 3.6V Adjustable Output Range n2j嘉泰姆

„ Dynamic Voltage Scaling by G0 and G1 Inputs n2j嘉泰姆

„ 4.5V to 24V Battery Input Range n2j嘉泰姆

„ OVP & UVP n2j嘉泰姆

„ Built-in BST Diode n2j嘉泰姆

„ 1.7ms Soft-Start n2j嘉泰姆

„ Drives Large Synchronous-Rectifier FETs n2j嘉泰姆

„ Power-Good Indicator n2j嘉泰姆

„ G0/G1 High Active (CXSD62362A) G0/G1 Low Active (CXSD62362B)n2j嘉泰姆

   应用范围 返回TOPn2j嘉泰姆


„ Notebook Computers n2j嘉泰姆

„ CPU Core Supply n2j嘉泰姆

„ Chipset/RAM Supply as Low as 0.75V n2j嘉泰姆

„ 1.8V and 2.5V I/O Supply n2j嘉泰姆

„ Networking Power Supplyn2j嘉泰姆

   技术规格书(产品PDF) 返回TOP n2j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n2j嘉泰姆

 QQ截图20160419174301.jpgn2j嘉泰姆

产品封装图 返回TOPn2j嘉泰姆


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电路原理图 返回TOPn2j嘉泰姆

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Synchronous (Quasi-PWM) Step Down Controllern2j嘉泰姆

Part   NO.n2j嘉泰姆

Vin(V)n2j嘉泰姆

min.n2j嘉泰姆

Vin(V)n2j嘉泰姆

max.n2j嘉泰姆

VOUTn2j嘉泰姆

(V)n2j嘉泰姆

FSWn2j嘉泰姆

(k Hz)n2j嘉泰姆

FBn2j嘉泰姆

(V)n2j嘉泰姆

Noten2j嘉泰姆

Packagen2j嘉泰姆

CXSD62355n2j嘉泰姆

3n2j嘉泰姆

28n2j嘉泰姆

0.7~1.8n2j嘉泰姆

300/400n2j嘉泰姆

0.8n2j嘉泰姆

EN, SS, PGOOD,   OVP, UVP, OCP, VTTREF, Built-in BST diode, DDR1/2/3/3L, 2A LDO for VTTn2j嘉泰姆

TQFN3X3-20n2j嘉泰姆

CXSD62356n2j嘉泰姆

4.5n2j嘉泰姆

28n2j嘉泰姆

0.7~2.6n2j嘉泰姆

ADJn2j嘉泰姆

0.7n2j嘉泰姆

EN,   PGOOD, OVP, UVP, OCP, VOUT Adjustable,1.5ms VOUT Servo Soft Start, 4700ppm/°C   RON Coefficient n2j嘉泰姆

TDFN3X3-10n2j嘉泰姆

CXSD62357n2j嘉泰姆

4.5n2j嘉泰姆

28n2j嘉泰姆

0.5~3.3n2j嘉泰姆

ADJn2j嘉泰姆

0.5n2j嘉泰姆

EN,   PGOOD, OVP, UVP, OCP, VOUT Adjustable, 1.5ms VOUT Servo Soft Start,   4700ppm/°C RON Coefficientn2j嘉泰姆

TQFN2X2-12n2j嘉泰姆

CXSD62358n2j嘉泰姆

4.5n2j嘉泰姆

24n2j嘉泰姆

0.75~3.6n2j嘉泰姆

ADJn2j嘉泰姆

0.75n2j嘉泰姆

EN, SS, PGOOD,   OVP, UVP, OCP, Built-in BST dioden2j嘉泰姆

TQFN3X3-16n2j嘉泰姆

CXSD62359n2j嘉泰姆

4.5n2j嘉泰姆

24n2j嘉泰姆

0.75~3.6n2j嘉泰姆

ADJn2j嘉泰姆

0.75n2j嘉泰姆

EN,   SS, PGOOD, OVP, UVP, OCP, Built-in BST dioden2j嘉泰姆

TQFN3X3-16n2j嘉泰姆

CXSD62360n2j嘉泰姆

4.5n2j嘉泰姆

24n2j嘉泰姆

0.75~3.6n2j嘉泰姆

ADJn2j嘉泰姆

0.75n2j嘉泰姆

EN, SS, PGOOD,   OVP, UVP, OCP, Built-in BST dioden2j嘉泰姆

TQFN3X3-16/TQFN3.5X3.5-14n2j嘉泰姆

CXSD62361/An2j嘉泰姆

2n2j嘉泰姆

24n2j嘉泰姆

0.75~3.6n2j嘉泰姆

400/ADJn2j嘉泰姆

0.75n2j嘉泰姆

EN,   SS, PGOOD, OVP, UVP, OCP, VTTREF, Built-in BST diode, DDR1/2/3/3L, 3A/2A   LDO for VTTn2j嘉泰姆

TQFN4X4-24/TQFN3X3-20n2j嘉泰姆

CXSD62362n2j嘉泰姆

4.5n2j嘉泰姆

24n2j嘉泰姆

0.75~3.6n2j嘉泰姆

ADJn2j嘉泰姆

0.75n2j嘉泰姆

EN, PGOOD,   OVP, UVP, OCP, Built-in BST diode, SS, G0 & G1 Controls VOUTn2j嘉泰姆

TQFN3X3-16n2j嘉泰姆

◀ 上一篇:400kHz开关频率2V至24V电池输入同步buck-PWM控制器3-a源线性调节器和缓冲基准CXSD62361/A VDDQ输出的OVP和UVP

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下一篇▶:10A同步DC降压转换器CXSD62363恒定实时控制可编程开关频率20mΩ N沟道和8.5mΩ N沟道低侧MOSFET