CXSD61034 high efficiency synchronous dual PWM step-down DC/DC converters working under an input vol
发表时间:2020-04-09
浏览次数:323

目录QFP嘉泰姆

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

 

一,产品概述(General Description)         QFP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 withQFP嘉泰姆
no load, and drops to < 1 A in shutdown.QFP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.QFP嘉泰姆
     The  CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).QFP嘉泰姆
二.产品特点(Features)QFP嘉泰姆
Up to 95% EfficiencyQFP嘉泰姆
Current mode operation for excellent line andQFP嘉泰姆
load transient responseQFP嘉泰姆
Low quiescent current: 460 AQFP嘉泰姆
Low Switch on Resistance RDS(ON), InternalQFP嘉泰姆
Switch: 0.35QFP嘉泰姆
Output voltage 0.6V 5.5VQFP嘉泰姆
Automatic PWM/PFM mode switchingQFP嘉泰姆
No Schottky diode requiredQFP嘉泰姆
1.4MHz fixed frequency switchingQFP嘉泰姆
Short-Circuit protectionQFP嘉泰姆
Shutdown quiescent current: < 1 AQFP嘉泰姆
Low profile DFN3*3-10L package (lead-freeQFP嘉泰姆
packaging is now available)QFP嘉泰姆
三,应用范围 (Applications)QFP嘉泰姆
 Digital cameras and MP3QFP嘉泰姆
Palmtop computers / PDAsQFP嘉泰姆
Cellular phonesQFP嘉泰姆
Wireless handsets and DSL modemsQFP嘉泰姆
PC cardsQFP嘉泰姆
Portable media playersQFP嘉泰姆
四,产品封装图 (Package)QFP嘉泰姆
QFP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)QFP嘉泰姆

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