目录zEu嘉泰姆

1.产品概述                       2.产品特点zEu嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 zEu嘉泰姆
5.产品封装图                     6.电路原理图                   zEu嘉泰姆
7.功能概述                        8.相关产品zEu嘉泰姆

一,产品概述(General Description)         zEu嘉泰姆
      The CXSD61034 is high efficiency synchronous, dual PWM step-down DC/DC converters working under an input voltage range of 2.5V to 5.5V. This feature makes the CXSD61034 suitable for single Li-Lon battery-powered applications. 100% duty cycle capability extends battery life in portable devices, while the quiescent current is 200 A withzEu嘉泰姆
no load, and drops to < 1 A in shutdown.zEu嘉泰姆
    The internal synchronous switch is desired to increase efficiency without an external Schottky diode. The 1.4 MHz fixed switching frequency allows the using of tiny, low profile inductors and ceramic capacitors, which minimized overall solution footprint.zEu嘉泰姆
     The  CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).zEu嘉泰姆
二.产品特点(Features)zEu嘉泰姆
Up to 95% EfficiencyzEu嘉泰姆
Current mode operation for excellent line andzEu嘉泰姆
load transient responsezEu嘉泰姆
Low quiescent current: 460 AzEu嘉泰姆
Low Switch on Resistance RDS(ON), InternalzEu嘉泰姆
Switch: 0.35zEu嘉泰姆
Output voltage 0.6V 5.5VzEu嘉泰姆
Automatic PWM/PFM mode switchingzEu嘉泰姆
No Schottky diode requiredzEu嘉泰姆
1.4MHz fixed frequency switchingzEu嘉泰姆
Short-Circuit protectionzEu嘉泰姆
Shutdown quiescent current: < 1 AzEu嘉泰姆
Low profile DFN3*3-10L package (lead-freezEu嘉泰姆
packaging is now available)zEu嘉泰姆
三,应用范围 (Applications)zEu嘉泰姆
 Digital cameras and MP3zEu嘉泰姆
Palmtop computers / PDAszEu嘉泰姆
Cellular phoneszEu嘉泰姆
Wireless handsets and DSL modemszEu嘉泰姆
PC cardszEu嘉泰姆
Portable media playerszEu嘉泰姆
四,产品封装图 (Package)zEu嘉泰姆
zEu嘉泰姆
PINNUMBERDFN3*3-10LPIN NAMEFUNCTION1EN1ON/OFF Control 1(High Enable)2FB1Output feedback 13VIN2Input 24GNDGround5SW2Switch Output 26EN2ON/OFF Control 2(High Enable)7FB2Output feedback 28VIN1Input 19GNDGround10SW1Switch Output 1(责任编辑：oumao18)zEu嘉泰姆

双通道高压同步DC-DC降压ICzEu嘉泰姆

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1.21VzEu嘉泰姆

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