4.5V至24V电池输入恒定实时控制CXSD62359输入/输出电压比恒定的开关频率无电流感应电阻0.75V至3.6V可调输出

发布时间:2020-05-21 12:49:31 浏览次数:341 作者:oumao18 来源:嘉泰姆
摘要:CXSD62359使用恒定的实时控制方案来轻松处理宽的输入/输出电压比,并在保持相对恒定的开关频率的同时,对负载瞬态提供100ns的“瞬时通电”响应。CXSD62359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。
4.5V至24V电池输入恒定实时控制CXSD62359输入/输出电压比恒定的开关频率无电流感应电阻0.75V至3.6V可调输出

目录

1.产品概述       2.产品特点     bWy嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)bWy嘉泰姆

5.产品封装       6.电路原理图  bWy嘉泰姆

7.相关产品bWy嘉泰姆

   产品概述 返回TOPbWy嘉泰姆


     CXSD62359 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 CXSD62359 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 CXSD62359 is intended for CPU core, chipset, DRAM, or other low-voltage supplies as low as 0.75V. The CXSD62359 is available in 16-pin TQFN 3X3 and SSOP-16 package and includes over voltage protection

   产品特点 返回TOPbWy嘉泰姆


 Ultra-High Efficiency bWy嘉泰姆

 No Current-Sense Resistor (Lossless ILIMIT) bWy嘉泰姆

 Quasi-PWM with 100ns Load-Step Response bWy嘉泰姆

 1% VOUT Accuracy Over Line and Load bWy嘉泰姆

 0.75V to 3.6V Adjustable Output Range bWy嘉泰姆

 4.5V to 24V Battery Input Range bWy嘉泰姆

 Integrated Boost Diode bWy嘉泰姆

 OVP & UVP bWy嘉泰姆

 1.7ms Soft-Start bWy嘉泰姆

 Drives Large Synchronous-Rectifier FETs bWy嘉泰姆

 Power-Good IndicatorbWy嘉泰姆

   应用范围 返回TOPbWy嘉泰姆


 Notebook Computers bWy嘉泰姆

 CPU Core Supply bWy嘉泰姆

 I/O Supply bWy嘉泰姆

 Chipset/RAM Supply as Low as 0.75V bWy嘉泰姆

 Networking Power SupplybWy嘉泰姆

   技术规格书(产品PDF) 返回TOP bWy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bWy嘉泰姆

 QQ截图20160419174301.jpgbWy嘉泰姆

产品封装图 返回TOPbWy嘉泰姆


image.pngbWy嘉泰姆

电路原理图 返回TOPbWy嘉泰姆

 bWy嘉泰姆


 bWy嘉泰姆

a

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


 bWy嘉泰姆

Synchronous (Quasi-PWM) Step Down ControllerbWy嘉泰姆

Part   NO.bWy嘉泰姆

Vin(V)bWy嘉泰姆

min.bWy嘉泰姆

Vin(V)bWy嘉泰姆

max.bWy嘉泰姆

VOUTbWy嘉泰姆

(V)bWy嘉泰姆

FSWbWy嘉泰姆

(k Hz)bWy嘉泰姆

FBbWy嘉泰姆

(V)bWy嘉泰姆

NotebWy嘉泰姆

PackagebWy嘉泰姆

CXSD62355bWy嘉泰姆

3bWy嘉泰姆

28bWy嘉泰姆

0.7~1.8bWy嘉泰姆

300/400bWy嘉泰姆

0.8bWy嘉泰姆

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

TQFN3X3-20bWy嘉泰姆

CXSD62356bWy嘉泰姆

4.5bWy嘉泰姆

28bWy嘉泰姆

0.7~2.6bWy嘉泰姆

ADJbWy嘉泰姆

0.7bWy嘉泰姆

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

TDFN3X3-10bWy嘉泰姆

CXSD62357bWy嘉泰姆

4.5bWy嘉泰姆

28bWy嘉泰姆

0.5~3.3bWy嘉泰姆

ADJbWy嘉泰姆

0.5bWy嘉泰姆

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

TQFN2X2-12bWy嘉泰姆

CXSD62358bWy嘉泰姆

4.5bWy嘉泰姆

24bWy嘉泰姆

0.75~3.6bWy嘉泰姆

ADJbWy嘉泰姆

0.75bWy嘉泰姆

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

TQFN3X3-16bWy嘉泰姆

CXSD62359bWy嘉泰姆

4.5bWy嘉泰姆

24bWy嘉泰姆

0.75~3.6bWy嘉泰姆

ADJbWy嘉泰姆

0.75bWy嘉泰姆

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

TQFN3X3-16bWy嘉泰姆

CXSD62360bWy嘉泰姆

4.5bWy嘉泰姆

24bWy嘉泰姆

0.75~3.6bWy嘉泰姆

ADJbWy嘉泰姆

0.75bWy嘉泰姆

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

TQFN3X3-16/TQFN3.5X3.5-14bWy嘉泰姆

CXSD62361/AbWy嘉泰姆

2bWy嘉泰姆

24bWy嘉泰姆

0.75~3.6bWy嘉泰姆

400/ADJbWy嘉泰姆

0.75bWy嘉泰姆

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

TQFN4X4-24/TQFN3X3-20bWy嘉泰姆

CXSD62362bWy嘉泰姆

4.5bWy嘉泰姆

24bWy嘉泰姆

0.75~3.6bWy嘉泰姆

ADJbWy嘉泰姆

0.75bWy嘉泰姆

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

TQFN3X3-16bWy嘉泰姆

发表评论

共有条评论
用户名: 密码:
验证码: 匿名发表