CXSD61034 high efficiency synchronous dual PWM step-down DC/DC converters working under an input voltage range of 2.5V to 5.5V

首页 > 产品中心 > 电源管理 > DC降压型芯片 > 双路降压芯片 >CXSD61034 high efficiency synchronous dual PWM step-down DC/DC converters working under an input voltage range of 2.5V to 5.5V

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 with
no load, and drops to < 1 A in shutdown

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目录k0s嘉泰姆

1.产品概述         2.产品特点k0s嘉泰姆
3.应用范围       4.下载产品资料PDF文档 k0s嘉泰姆
5.产品封装图                     6.电路原理图             k0s嘉泰姆
7.功能概述       8.相关产品k0s嘉泰姆

一,产品概述(General Description)         k0s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 withk0s嘉泰姆
no load, and drops to < 1 A in shutdown.k0s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.k0s嘉泰姆
     The CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).k0s嘉泰姆
二.产品特点(Features)k0s嘉泰姆
Up to 95% Efficiencyk0s嘉泰姆
Current mode operation for excellent line andk0s嘉泰姆
load transient responsek0s嘉泰姆
Low quiescent current: 460 Ak0s嘉泰姆
Low Switch on Resistance RDS(ON), Internalk0s嘉泰姆
Switch: 0.35k0s嘉泰姆
Output voltage 0.6V 5.5Vk0s嘉泰姆
Automatic PWM/PFM mode switchingk0s嘉泰姆
No Schottky diode requiredk0s嘉泰姆
1.4MHz fixed frequency switchingk0s嘉泰姆
Short-Circuit protectionk0s嘉泰姆
Shutdown quiescent current: < 1 Ak0s嘉泰姆
Low profile DFN3*3-10L package (lead-freek0s嘉泰姆
packaging is now available)k0s嘉泰姆
三,应用范围 (Applications)k0s嘉泰姆
Digital cameras and MP3k0s嘉泰姆
Palmtop computers / PDAsk0s嘉泰姆
Cellular phonesk0s嘉泰姆
Wireless handsets and DSL modemsk0s嘉泰姆
PC cardsk0s嘉泰姆
Portable media playersk0s嘉泰姆
四,产品封装图 (Package)k0s嘉泰姆
k0s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)k0s嘉泰姆

五,电路原理图k0s嘉泰姆
k0s嘉泰姆
六.产品PDF文档 k0s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！k0s嘉泰姆

k0s嘉泰姆
k0s嘉泰姆
七,功能概述k0s嘉泰姆

SYMBOLk0s嘉泰姆	PARAMETERk0s嘉泰姆	CONDITIONSk0s嘉泰姆	MINk0s嘉泰姆	TYPk0s嘉泰姆	MAXk0s嘉泰姆	UNITSk0s嘉泰姆
VOUTk0s嘉泰姆	Output Voltagek0s嘉泰姆	I OUT = 100mA, R2(4)/R1(3)=2k0s嘉泰姆	1.75k0s嘉泰姆	1.80k0s嘉泰姆	1.85k0s嘉泰姆	Vk0s嘉泰姆
VINk0s嘉泰姆	Input Voltage Rangek0s嘉泰姆		2.5k0s嘉泰姆		5.5k0s嘉泰姆	Vk0s嘉泰姆
VFBk0s嘉泰姆	Regulated Voltagek0s嘉泰姆	TA = 25k0s嘉泰姆	0.5880k0s嘉泰姆	0.6k0s嘉泰姆	0.6120k0s嘉泰姆	Vk0s嘉泰姆
IFBk0s嘉泰姆	Feedback Currentk0s嘉泰姆				±30k0s嘉泰姆	nAk0s嘉泰姆
VFBk0s嘉泰姆	VREFk0s嘉泰姆	VIN=2.5V~5.5Vk0s嘉泰姆		0.03k0s嘉泰姆	0.4k0s嘉泰姆	%/Vk0s嘉泰姆
FOSCk0s嘉泰姆	Oscillator Frequencyk0s嘉泰姆	VFB = 0.6V or VOUT = 100%k0s嘉泰姆	1.1k0s嘉泰姆	1.4k0s嘉泰姆	1.7k0s嘉泰姆	MHzk0s嘉泰姆
IQk0s嘉泰姆	Quiescent Currentk0s嘉泰姆	VFB = 0.5V or VOUT = 90%, ILOAD = 0Ak0s嘉泰姆		200k0s嘉泰姆	300k0s嘉泰姆	Ak0s嘉泰姆
ISk0s嘉泰姆	Shutdown Currentk0s嘉泰姆	VEN = 0V, VIN = 4.2Vk0s嘉泰姆		0.1k0s嘉泰姆	1k0s嘉泰姆	Ak0s嘉泰姆
IPKk0s嘉泰姆	Peak Inductor Currentk0s嘉泰姆	VIN = 3V, VFB = 0.5V or VOUT = 90%,k0s嘉泰姆 Duty Cycle < 35%k0s嘉泰姆	0.75k0s嘉泰姆	0.9k0s嘉泰姆	1k0s嘉泰姆	Ak0s嘉泰姆
RPFETk0s嘉泰姆	RDS(ON) of P-Channel FETk0s嘉泰姆	ISW = 100mAk0s嘉泰姆		0.3k0s嘉泰姆
RNFETk0s嘉泰姆	RDS(ON) of N-Channel FETk0s嘉泰姆	ISW = -100mAk0s嘉泰姆		0.39k0s嘉泰姆
EFFIk0s嘉泰姆	Efficiencyk0s嘉泰姆	When connected to ext. componentsk0s嘉泰姆 VIN=EN=3.6 V, IOUT=100mAk0s嘉泰姆		93k0s嘉泰姆		%k0s嘉泰姆
VOUTk0s嘉泰姆	VOUT Line Regulationk0s嘉泰姆	VIN=2.5V~5.5Vk0s嘉泰姆		0.03k0s嘉泰姆	0.3k0s嘉泰姆	%/Vk0s嘉泰姆
VLOADREGk0s嘉泰姆	VOUT Load Regulationk0s嘉泰姆			0.33k0s嘉泰姆		%k0s嘉泰姆

八,相关产品 更多同类产品......k0s嘉泰姆

双通道高压同步DC-DC降压ICk0s嘉泰姆
型号k0s嘉泰姆	输入耐压k0s嘉泰姆	输出电压k0s嘉泰姆	输出电流k0s嘉泰姆	反馈k0s嘉泰姆电压k0s嘉泰姆	工作频率k0s嘉泰姆	效率k0s嘉泰姆	静态工k0s嘉泰姆作电流k0s嘉泰姆	待机k0s嘉泰姆电流 k0s嘉泰姆	封装k0s嘉泰姆
CXSD61028k0s嘉泰姆	8V-35Vk0s嘉泰姆	可调输出/带线损补偿k0s嘉泰姆	扩流4.2A/双通道带CC/CV模式k0s嘉泰姆	1.21Vk0s嘉泰姆	100-500K可调k0s嘉泰姆	95%k0s嘉泰姆	14mAk0s嘉泰姆	100uAk0s嘉泰姆	ESOP8k0s嘉泰姆
CXSD61029k0s嘉泰姆	8V-30Vk0s嘉泰姆	可调输出/带线损补偿k0s嘉泰姆	4.0A/双通道带CC/CV模式k0s嘉泰姆	1.2Vk0s嘉泰姆	100KHzk0s嘉泰姆	96%k0s嘉泰姆	10mAk0s嘉泰姆		ESOP-8k0s嘉泰姆
CXSD61030k0s嘉泰姆	8V-40Vk0s嘉泰姆	可调输出/带线损补偿k0s嘉泰姆	扩流4.2A/双通道带CC/CV模式k0s嘉泰姆	1.2Vk0s嘉泰姆	100KHzk0s嘉泰姆	95%k0s嘉泰姆	10mAk0s嘉泰姆		SOP-8k0s嘉泰姆
CXSD61031k0s嘉泰姆	8V-40Vk0s嘉泰姆	可调输出/带线损补偿k0s嘉泰姆	扩流6.0A/双通道带CC/CV模式k0s嘉泰姆	1.2Vk0s嘉泰姆	100KHzk0s嘉泰姆	96%k0s嘉泰姆	10mAk0s嘉泰姆		ESOP-8k0s嘉泰姆
双路低压同步DC-DC降压ICk0s嘉泰姆
型号k0s嘉泰姆	输入耐压k0s嘉泰姆	输出电压k0s嘉泰姆	输出电流k0s嘉泰姆	反馈k0s嘉泰姆电压k0s嘉泰姆	工作频率k0s嘉泰姆	效率k0s嘉泰姆	静态工k0s嘉泰姆作电流k0s嘉泰姆	待机k0s嘉泰姆电流 k0s嘉泰姆	封装k0s嘉泰姆
CXSD61032k0s嘉泰姆	3.0V-6.0Vk0s嘉泰姆	双路可调k0s嘉泰姆	1.5Ak0s嘉泰姆	0.6Vk0s嘉泰姆	1.5MHzk0s嘉泰姆	90%k0s嘉泰姆		10uAk0s嘉泰姆	ESOP-8k0s嘉泰姆
CXSD61033k0s嘉泰姆	2.3V-6.0Vk0s嘉泰姆	双路可调k0s嘉泰姆	2Ak0s嘉泰姆	0.6Vk0s嘉泰姆	1.5MHzk0s嘉泰姆	90%k0s嘉泰姆	150uAk0s嘉泰姆	0.1uAk0s嘉泰姆	ESOP-8k0s嘉泰姆
CXSD61034k0s嘉泰姆	2.5V-6.0Vk0s嘉泰姆	双路可调k0s嘉泰姆	0.9Ak0s嘉泰姆	0.6Vk0s嘉泰姆	1.4MHzk0s嘉泰姆	95%k0s嘉泰姆	200uAk0s嘉泰姆	0.1uAk0s嘉泰姆	DFN3*3k0s嘉泰姆

◀ 上一篇:CXSD61033 1.5MHz constant frequency current mode, dual high-efficiency PWM step-down converter high current up t o 2A each channel from single-cell Lithium-ion batteries

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