CXSD62359

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

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产品简介

目录

1.产品概述       2.产品特点     gUW嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)gUW嘉泰姆

5.产品封装       6.电路原理图  gUW嘉泰姆

7.相关产品gUW嘉泰姆

   产品概述 返回TOPgUW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TOPgUW嘉泰姆


 Ultra-High Efficiency gUW嘉泰姆

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

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

 1% VOUT Accuracy Over Line and Load gUW嘉泰姆

 0.75V to 3.6V Adjustable Output Range gUW嘉泰姆

 4.5V to 24V Battery Input Range gUW嘉泰姆

 Integrated Boost Diode gUW嘉泰姆

 OVP & UVP gUW嘉泰姆

 1.7ms Soft-Start gUW嘉泰姆

 Drives Large Synchronous-Rectifier FETs gUW嘉泰姆

 Power-Good IndicatorgUW嘉泰姆

   应用范围 返回TOPgUW嘉泰姆


 Notebook Computers gUW嘉泰姆

 CPU Core Supply gUW嘉泰姆

 I/O Supply gUW嘉泰姆

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

 Networking Power SupplygUW嘉泰姆

   技术规格书(产品PDF) 返回TOP gUW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gUW嘉泰姆

 QQ截图20160419174301.jpggUW嘉泰姆

产品封装图 返回TOPgUW嘉泰姆


image.pnggUW嘉泰姆

电路原理图 返回TOPgUW嘉泰姆

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Synchronous (Quasi-PWM) Step Down ControllergUW嘉泰姆

Part   NO.gUW嘉泰姆

Vin(V)gUW嘉泰姆

min.gUW嘉泰姆

Vin(V)gUW嘉泰姆

max.gUW嘉泰姆

VOUTgUW嘉泰姆

(V)gUW嘉泰姆

FSWgUW嘉泰姆

(k Hz)gUW嘉泰姆

FBgUW嘉泰姆

(V)gUW嘉泰姆

NotegUW嘉泰姆

PackagegUW嘉泰姆

CXSD62355gUW嘉泰姆

3gUW嘉泰姆

28gUW嘉泰姆

0.7~1.8gUW嘉泰姆

300/400gUW嘉泰姆

0.8gUW嘉泰姆

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

TQFN3X3-20gUW嘉泰姆

CXSD62356gUW嘉泰姆

4.5gUW嘉泰姆

28gUW嘉泰姆

0.7~2.6gUW嘉泰姆

ADJgUW嘉泰姆

0.7gUW嘉泰姆

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

TDFN3X3-10gUW嘉泰姆

CXSD62357gUW嘉泰姆

4.5gUW嘉泰姆

28gUW嘉泰姆

0.5~3.3gUW嘉泰姆

ADJgUW嘉泰姆

0.5gUW嘉泰姆

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

TQFN2X2-12gUW嘉泰姆

CXSD62358gUW嘉泰姆

4.5gUW嘉泰姆

24gUW嘉泰姆

0.75~3.6gUW嘉泰姆

ADJgUW嘉泰姆

0.75gUW嘉泰姆

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

TQFN3X3-16gUW嘉泰姆

CXSD62359gUW嘉泰姆

4.5gUW嘉泰姆

24gUW嘉泰姆

0.75~3.6gUW嘉泰姆

ADJgUW嘉泰姆

0.75gUW嘉泰姆

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

TQFN3X3-16gUW嘉泰姆

CXSD62360gUW嘉泰姆

4.5gUW嘉泰姆

24gUW嘉泰姆

0.75~3.6gUW嘉泰姆

ADJgUW嘉泰姆

0.75gUW嘉泰姆

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

TQFN3X3-16/TQFN3.5X3.5-14gUW嘉泰姆

CXSD62361/AgUW嘉泰姆

2gUW嘉泰姆

24gUW嘉泰姆

0.75~3.6gUW嘉泰姆

400/ADJgUW嘉泰姆

0.75gUW嘉泰姆

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

TQFN4X4-24/TQFN3X3-20gUW嘉泰姆

CXSD62362gUW嘉泰姆

4.5gUW嘉泰姆

24gUW嘉泰姆

0.75~3.6gUW嘉泰姆

ADJgUW嘉泰姆

0.75gUW嘉泰姆

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

TQFN3X3-16gUW嘉泰姆

◀ 上一篇: 4.5V至24V电池输入PWM控制器恒导通控制方案CXSD62358驱动同步整流器FET恒定的开关频率

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