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 > Buck降压型芯片 >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M49嘉泰姆

1.产品概述         2.产品特点M49嘉泰姆
3.应用范围       4.下载产品资料PDF文档 M49嘉泰姆
5.产品封装图                     6.电路原理图             M49嘉泰姆
7.功能概述       8.相关产品M49嘉泰姆

一,产品概述(General Description)         M49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 withM49嘉泰姆
no load, and drops to < 1 A in shutdown.M49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.M49嘉泰姆
     The CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).M49嘉泰姆
二.产品特点(Features)M49嘉泰姆
Up to 95% EfficiencyM49嘉泰姆
Current mode operation for excellent line andM49嘉泰姆
load transient responseM49嘉泰姆
Low quiescent current: 460 AM49嘉泰姆
Low Switch on Resistance RDS(ON), InternalM49嘉泰姆
Switch: 0.35M49嘉泰姆
Output voltage 0.6V 5.5VM49嘉泰姆
Automatic PWM/PFM mode switchingM49嘉泰姆
No Schottky diode requiredM49嘉泰姆
1.4MHz fixed frequency switchingM49嘉泰姆
Short-Circuit protectionM49嘉泰姆
Shutdown quiescent current: < 1 AM49嘉泰姆
Low profile DFN3*3-10L package (lead-freeM49嘉泰姆
packaging is now available)M49嘉泰姆
三,应用范围 (Applications)M49嘉泰姆
Digital cameras and MP3M49嘉泰姆
Palmtop computers / PDAsM49嘉泰姆
Cellular phonesM49嘉泰姆
Wireless handsets and DSL modemsM49嘉泰姆
PC cardsM49嘉泰姆
Portable media playersM49嘉泰姆
四,产品封装图 (Package)M49嘉泰姆
M49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)M49嘉泰姆

五,电路原理图M49嘉泰姆
M49嘉泰姆
六.产品PDF文档 M49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！M49嘉泰姆

M49嘉泰姆
M49嘉泰姆
七,功能概述M49嘉泰姆

SYMBOLM49嘉泰姆	PARAMETERM49嘉泰姆	CONDITIONSM49嘉泰姆	MINM49嘉泰姆	TYPM49嘉泰姆	MAXM49嘉泰姆	UNITSM49嘉泰姆
VOUTM49嘉泰姆	Output VoltageM49嘉泰姆	I OUT = 100mA, R2(4)/R1(3)=2M49嘉泰姆	1.75M49嘉泰姆	1.80M49嘉泰姆	1.85M49嘉泰姆	VM49嘉泰姆
VINM49嘉泰姆	Input Voltage RangeM49嘉泰姆		2.5M49嘉泰姆		5.5M49嘉泰姆	VM49嘉泰姆
VFBM49嘉泰姆	Regulated VoltageM49嘉泰姆	TA = 25M49嘉泰姆	0.5880M49嘉泰姆	0.6M49嘉泰姆	0.6120M49嘉泰姆	VM49嘉泰姆
IFBM49嘉泰姆	Feedback CurrentM49嘉泰姆				±30M49嘉泰姆	nAM49嘉泰姆
VFBM49嘉泰姆	VREFM49嘉泰姆	VIN=2.5V~5.5VM49嘉泰姆		0.03M49嘉泰姆	0.4M49嘉泰姆	%/VM49嘉泰姆
FOSCM49嘉泰姆	Oscillator FrequencyM49嘉泰姆	VFB = 0.6V or VOUT = 100%M49嘉泰姆	1.1M49嘉泰姆	1.4M49嘉泰姆	1.7M49嘉泰姆	MHzM49嘉泰姆
IQM49嘉泰姆	Quiescent CurrentM49嘉泰姆	VFB = 0.5V or VOUT = 90%, ILOAD = 0AM49嘉泰姆		200M49嘉泰姆	300M49嘉泰姆	AM49嘉泰姆
ISM49嘉泰姆	Shutdown CurrentM49嘉泰姆	VEN = 0V, VIN = 4.2VM49嘉泰姆		0.1M49嘉泰姆	1M49嘉泰姆	AM49嘉泰姆
IPKM49嘉泰姆	Peak Inductor CurrentM49嘉泰姆	VIN = 3V, VFB = 0.5V or VOUT = 90%,M49嘉泰姆 Duty Cycle < 35%M49嘉泰姆	0.75M49嘉泰姆	0.9M49嘉泰姆	1M49嘉泰姆	AM49嘉泰姆
RPFETM49嘉泰姆	RDS(ON) of P-Channel FETM49嘉泰姆	ISW = 100mAM49嘉泰姆		0.3M49嘉泰姆
RNFETM49嘉泰姆	RDS(ON) of N-Channel FETM49嘉泰姆	ISW = -100mAM49嘉泰姆		0.39M49嘉泰姆
EFFIM49嘉泰姆	EfficiencyM49嘉泰姆	When connected to ext. componentsM49嘉泰姆 VIN=EN=3.6 V, IOUT=100mAM49嘉泰姆		93M49嘉泰姆		%M49嘉泰姆
VOUTM49嘉泰姆	VOUT Line RegulationM49嘉泰姆	VIN=2.5V~5.5VM49嘉泰姆		0.03M49嘉泰姆	0.3M49嘉泰姆	%/VM49嘉泰姆
VLOADREGM49嘉泰姆	VOUT Load RegulationM49嘉泰姆			0.33M49嘉泰姆		%M49嘉泰姆

八,相关产品 更多同类产品......M49嘉泰姆

双通道高压同步DC-DC降压ICM49嘉泰姆
型号M49嘉泰姆	输入耐压M49嘉泰姆	输出电压M49嘉泰姆	输出电流M49嘉泰姆	反馈M49嘉泰姆电压M49嘉泰姆	工作频率M49嘉泰姆	效率M49嘉泰姆	静态工M49嘉泰姆作电流M49嘉泰姆	待机M49嘉泰姆电流 M49嘉泰姆	封装M49嘉泰姆
CXSD61028M49嘉泰姆	8V-35VM49嘉泰姆	可调输出/带线损补偿M49嘉泰姆	扩流4.2A/双通道带CC/CV模式M49嘉泰姆	1.21VM49嘉泰姆	100-500K可调M49嘉泰姆	95%M49嘉泰姆	14mAM49嘉泰姆	100uAM49嘉泰姆	ESOP8M49嘉泰姆
CXSD61029M49嘉泰姆	8V-30VM49嘉泰姆	可调输出/带线损补偿M49嘉泰姆	4.0A/双通道带CC/CV模式M49嘉泰姆	1.2VM49嘉泰姆	100KHzM49嘉泰姆	96%M49嘉泰姆	10mAM49嘉泰姆		ESOP-8M49嘉泰姆
CXSD61030M49嘉泰姆	8V-40VM49嘉泰姆	可调输出/带线损补偿M49嘉泰姆	扩流4.2A/双通道带CC/CV模式M49嘉泰姆	1.2VM49嘉泰姆	100KHzM49嘉泰姆	95%M49嘉泰姆	10mAM49嘉泰姆		SOP-8M49嘉泰姆
CXSD61031M49嘉泰姆	8V-40VM49嘉泰姆	可调输出/带线损补偿M49嘉泰姆	扩流6.0A/双通道带CC/CV模式M49嘉泰姆	1.2VM49嘉泰姆	100KHzM49嘉泰姆	96%M49嘉泰姆	10mAM49嘉泰姆		ESOP-8M49嘉泰姆
双路低压同步DC-DC降压ICM49嘉泰姆
型号M49嘉泰姆	输入耐压M49嘉泰姆	输出电压M49嘉泰姆	输出电流M49嘉泰姆	反馈M49嘉泰姆电压M49嘉泰姆	工作频率M49嘉泰姆	效率M49嘉泰姆	静态工M49嘉泰姆作电流M49嘉泰姆	待机M49嘉泰姆电流 M49嘉泰姆	封装M49嘉泰姆
CXSD61032M49嘉泰姆	3.0V-6.0VM49嘉泰姆	双路可调M49嘉泰姆	1.5AM49嘉泰姆	0.6VM49嘉泰姆	1.5MHzM49嘉泰姆	90%M49嘉泰姆		10uAM49嘉泰姆	ESOP-8M49嘉泰姆
CXSD61033M49嘉泰姆	2.3V-6.0VM49嘉泰姆	双路可调M49嘉泰姆	2AM49嘉泰姆	0.6VM49嘉泰姆	1.5MHzM49嘉泰姆	90%M49嘉泰姆	150uAM49嘉泰姆	0.1uAM49嘉泰姆	ESOP-8M49嘉泰姆
CXSD61034M49嘉泰姆	2.5V-6.0VM49嘉泰姆	双路可调M49嘉泰姆	0.9AM49嘉泰姆	0.6VM49嘉泰姆	1.4MHzM49嘉泰姆	95%M49嘉泰姆	200uAM49嘉泰姆	0.1uAM49嘉泰姆	DFN3*3M49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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