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p1A嘉泰姆

1.产品概述         2.产品特点p1A嘉泰姆
3.应用范围       4.下载产品资料PDF文档 p1A嘉泰姆
5.产品封装图                     6.电路原理图             p1A嘉泰姆
7.功能概述       8.相关产品p1A嘉泰姆

一,产品概述(General Description)         p1A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 withp1A嘉泰姆
no load, and drops to < 1 A in shutdown.p1A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.p1A嘉泰姆
     The CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).p1A嘉泰姆
二.产品特点(Features)p1A嘉泰姆
Up to 95% Efficiencyp1A嘉泰姆
Current mode operation for excellent line andp1A嘉泰姆
load transient responsep1A嘉泰姆
Low quiescent current: 460 Ap1A嘉泰姆
Low Switch on Resistance RDS(ON), Internalp1A嘉泰姆
Switch: 0.35p1A嘉泰姆
Output voltage 0.6V 5.5Vp1A嘉泰姆
Automatic PWM/PFM mode switchingp1A嘉泰姆
No Schottky diode requiredp1A嘉泰姆
1.4MHz fixed frequency switchingp1A嘉泰姆
Short-Circuit protectionp1A嘉泰姆
Shutdown quiescent current: < 1 Ap1A嘉泰姆
Low profile DFN3*3-10L package (lead-freep1A嘉泰姆
packaging is now available)p1A嘉泰姆
三,应用范围 (Applications)p1A嘉泰姆
Digital cameras and MP3p1A嘉泰姆
Palmtop computers / PDAsp1A嘉泰姆
Cellular phonesp1A嘉泰姆
Wireless handsets and DSL modemsp1A嘉泰姆
PC cardsp1A嘉泰姆
Portable media playersp1A嘉泰姆
四,产品封装图 (Package)p1A嘉泰姆
p1A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)p1A嘉泰姆

五,电路原理图p1A嘉泰姆
p1A嘉泰姆
六.产品PDF文档 p1A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！p1A嘉泰姆

p1A嘉泰姆
p1A嘉泰姆
七,功能概述p1A嘉泰姆

SYMBOLp1A嘉泰姆	PARAMETERp1A嘉泰姆	CONDITIONSp1A嘉泰姆	MINp1A嘉泰姆	TYPp1A嘉泰姆	MAXp1A嘉泰姆	UNITSp1A嘉泰姆
VOUTp1A嘉泰姆	Output Voltagep1A嘉泰姆	I OUT = 100mA, R2(4)/R1(3)=2p1A嘉泰姆	1.75p1A嘉泰姆	1.80p1A嘉泰姆	1.85p1A嘉泰姆	Vp1A嘉泰姆
VINp1A嘉泰姆	Input Voltage Rangep1A嘉泰姆		2.5p1A嘉泰姆		5.5p1A嘉泰姆	Vp1A嘉泰姆
VFBp1A嘉泰姆	Regulated Voltagep1A嘉泰姆	TA = 25p1A嘉泰姆	0.5880p1A嘉泰姆	0.6p1A嘉泰姆	0.6120p1A嘉泰姆	Vp1A嘉泰姆
IFBp1A嘉泰姆	Feedback Currentp1A嘉泰姆				±30p1A嘉泰姆	nAp1A嘉泰姆
VFBp1A嘉泰姆	VREFp1A嘉泰姆	VIN=2.5V~5.5Vp1A嘉泰姆		0.03p1A嘉泰姆	0.4p1A嘉泰姆	%/Vp1A嘉泰姆
FOSCp1A嘉泰姆	Oscillator Frequencyp1A嘉泰姆	VFB = 0.6V or VOUT = 100%p1A嘉泰姆	1.1p1A嘉泰姆	1.4p1A嘉泰姆	1.7p1A嘉泰姆	MHzp1A嘉泰姆
IQp1A嘉泰姆	Quiescent Currentp1A嘉泰姆	VFB = 0.5V or VOUT = 90%, ILOAD = 0Ap1A嘉泰姆		200p1A嘉泰姆	300p1A嘉泰姆	Ap1A嘉泰姆
ISp1A嘉泰姆	Shutdown Currentp1A嘉泰姆	VEN = 0V, VIN = 4.2Vp1A嘉泰姆		0.1p1A嘉泰姆	1p1A嘉泰姆	Ap1A嘉泰姆
IPKp1A嘉泰姆	Peak Inductor Currentp1A嘉泰姆	VIN = 3V, VFB = 0.5V or VOUT = 90%,p1A嘉泰姆 Duty Cycle < 35%p1A嘉泰姆	0.75p1A嘉泰姆	0.9p1A嘉泰姆	1p1A嘉泰姆	Ap1A嘉泰姆
RPFETp1A嘉泰姆	RDS(ON) of P-Channel FETp1A嘉泰姆	ISW = 100mAp1A嘉泰姆		0.3p1A嘉泰姆
RNFETp1A嘉泰姆	RDS(ON) of N-Channel FETp1A嘉泰姆	ISW = -100mAp1A嘉泰姆		0.39p1A嘉泰姆
EFFIp1A嘉泰姆	Efficiencyp1A嘉泰姆	When connected to ext. componentsp1A嘉泰姆 VIN=EN=3.6 V, IOUT=100mAp1A嘉泰姆		93p1A嘉泰姆		%p1A嘉泰姆
VOUTp1A嘉泰姆	VOUT Line Regulationp1A嘉泰姆	VIN=2.5V~5.5Vp1A嘉泰姆		0.03p1A嘉泰姆	0.3p1A嘉泰姆	%/Vp1A嘉泰姆
VLOADREGp1A嘉泰姆	VOUT Load Regulationp1A嘉泰姆			0.33p1A嘉泰姆		%p1A嘉泰姆

八,相关产品 更多同类产品......p1A嘉泰姆

双通道高压同步DC-DC降压ICp1A嘉泰姆
型号p1A嘉泰姆	输入耐压p1A嘉泰姆	输出电压p1A嘉泰姆	输出电流p1A嘉泰姆	反馈p1A嘉泰姆电压p1A嘉泰姆	工作频率p1A嘉泰姆	效率p1A嘉泰姆	静态工p1A嘉泰姆作电流p1A嘉泰姆	待机p1A嘉泰姆电流 p1A嘉泰姆	封装p1A嘉泰姆
CXSD61028p1A嘉泰姆	8V-35Vp1A嘉泰姆	可调输出/带线损补偿p1A嘉泰姆	扩流4.2A/双通道带CC/CV模式p1A嘉泰姆	1.21Vp1A嘉泰姆	100-500K可调p1A嘉泰姆	95%p1A嘉泰姆	14mAp1A嘉泰姆	100uAp1A嘉泰姆	ESOP8p1A嘉泰姆
CXSD61029p1A嘉泰姆	8V-30Vp1A嘉泰姆	可调输出/带线损补偿p1A嘉泰姆	4.0A/双通道带CC/CV模式p1A嘉泰姆	1.2Vp1A嘉泰姆	100KHzp1A嘉泰姆	96%p1A嘉泰姆	10mAp1A嘉泰姆		ESOP-8p1A嘉泰姆
CXSD61030p1A嘉泰姆	8V-40Vp1A嘉泰姆	可调输出/带线损补偿p1A嘉泰姆	扩流4.2A/双通道带CC/CV模式p1A嘉泰姆	1.2Vp1A嘉泰姆	100KHzp1A嘉泰姆	95%p1A嘉泰姆	10mAp1A嘉泰姆		SOP-8p1A嘉泰姆
CXSD61031p1A嘉泰姆	8V-40Vp1A嘉泰姆	可调输出/带线损补偿p1A嘉泰姆	扩流6.0A/双通道带CC/CV模式p1A嘉泰姆	1.2Vp1A嘉泰姆	100KHzp1A嘉泰姆	96%p1A嘉泰姆	10mAp1A嘉泰姆		ESOP-8p1A嘉泰姆
双路低压同步DC-DC降压ICp1A嘉泰姆
型号p1A嘉泰姆	输入耐压p1A嘉泰姆	输出电压p1A嘉泰姆	输出电流p1A嘉泰姆	反馈p1A嘉泰姆电压p1A嘉泰姆	工作频率p1A嘉泰姆	效率p1A嘉泰姆	静态工p1A嘉泰姆作电流p1A嘉泰姆	待机p1A嘉泰姆电流 p1A嘉泰姆	封装p1A嘉泰姆
CXSD61032p1A嘉泰姆	3.0V-6.0Vp1A嘉泰姆	双路可调p1A嘉泰姆	1.5Ap1A嘉泰姆	0.6Vp1A嘉泰姆	1.5MHzp1A嘉泰姆	90%p1A嘉泰姆		10uAp1A嘉泰姆	ESOP-8p1A嘉泰姆
CXSD61033p1A嘉泰姆	2.3V-6.0Vp1A嘉泰姆	双路可调p1A嘉泰姆	2Ap1A嘉泰姆	0.6Vp1A嘉泰姆	1.5MHzp1A嘉泰姆	90%p1A嘉泰姆	150uAp1A嘉泰姆	0.1uAp1A嘉泰姆	ESOP-8p1A嘉泰姆
CXSD61034p1A嘉泰姆	2.5V-6.0Vp1A嘉泰姆	双路可调p1A嘉泰姆	0.9Ap1A嘉泰姆	0.6Vp1A嘉泰姆	1.4MHzp1A嘉泰姆	95%p1A嘉泰姆	200uAp1A嘉泰姆	0.1uAp1A嘉泰姆	DFN3*3p1A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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