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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产品简介

目录Yhc嘉泰姆

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

一,产品概述(General Description)         Yhc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 withYhc嘉泰姆
no load, and drops to < 1 A in shutdown.Yhc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.Yhc嘉泰姆
     The CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).Yhc嘉泰姆
二.产品特点(Features)Yhc嘉泰姆
Up to 95% EfficiencyYhc嘉泰姆
Current mode operation for excellent line andYhc嘉泰姆
load transient responseYhc嘉泰姆
Low quiescent current: 460 AYhc嘉泰姆
Low Switch on Resistance RDS(ON), InternalYhc嘉泰姆
Switch: 0.35Yhc嘉泰姆
Output voltage 0.6V 5.5VYhc嘉泰姆
Automatic PWM/PFM mode switchingYhc嘉泰姆
No Schottky diode requiredYhc嘉泰姆
1.4MHz fixed frequency switchingYhc嘉泰姆
Short-Circuit protectionYhc嘉泰姆
Shutdown quiescent current: < 1 AYhc嘉泰姆
Low profile DFN3*3-10L package (lead-freeYhc嘉泰姆
packaging is now available)Yhc嘉泰姆
三,应用范围 (Applications)Yhc嘉泰姆
Digital cameras and MP3Yhc嘉泰姆
Palmtop computers / PDAsYhc嘉泰姆
Cellular phonesYhc嘉泰姆
Wireless handsets and DSL modemsYhc嘉泰姆
PC cardsYhc嘉泰姆
Portable media playersYhc嘉泰姆
四,产品封装图 (Package)Yhc嘉泰姆
Yhc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)Yhc嘉泰姆

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

Yhc嘉泰姆
Yhc嘉泰姆
七,功能概述Yhc嘉泰姆

SYMBOLYhc嘉泰姆	PARAMETERYhc嘉泰姆	CONDITIONSYhc嘉泰姆	MINYhc嘉泰姆	TYPYhc嘉泰姆	MAXYhc嘉泰姆	UNITSYhc嘉泰姆
VOUTYhc嘉泰姆	Output VoltageYhc嘉泰姆	I OUT = 100mA, R2(4)/R1(3)=2Yhc嘉泰姆	1.75Yhc嘉泰姆	1.80Yhc嘉泰姆	1.85Yhc嘉泰姆	VYhc嘉泰姆
VINYhc嘉泰姆	Input Voltage RangeYhc嘉泰姆		2.5Yhc嘉泰姆		5.5Yhc嘉泰姆	VYhc嘉泰姆
VFBYhc嘉泰姆	Regulated VoltageYhc嘉泰姆	TA = 25Yhc嘉泰姆	0.5880Yhc嘉泰姆	0.6Yhc嘉泰姆	0.6120Yhc嘉泰姆	VYhc嘉泰姆
IFBYhc嘉泰姆	Feedback CurrentYhc嘉泰姆				±30Yhc嘉泰姆	nAYhc嘉泰姆
VFBYhc嘉泰姆	VREFYhc嘉泰姆	VIN=2.5V~5.5VYhc嘉泰姆		0.03Yhc嘉泰姆	0.4Yhc嘉泰姆	%/VYhc嘉泰姆
FOSCYhc嘉泰姆	Oscillator FrequencyYhc嘉泰姆	VFB = 0.6V or VOUT = 100%Yhc嘉泰姆	1.1Yhc嘉泰姆	1.4Yhc嘉泰姆	1.7Yhc嘉泰姆	MHzYhc嘉泰姆
IQYhc嘉泰姆	Quiescent CurrentYhc嘉泰姆	VFB = 0.5V or VOUT = 90%, ILOAD = 0AYhc嘉泰姆		200Yhc嘉泰姆	300Yhc嘉泰姆	AYhc嘉泰姆
ISYhc嘉泰姆	Shutdown CurrentYhc嘉泰姆	VEN = 0V, VIN = 4.2VYhc嘉泰姆		0.1Yhc嘉泰姆	1Yhc嘉泰姆	AYhc嘉泰姆
IPKYhc嘉泰姆	Peak Inductor CurrentYhc嘉泰姆	VIN = 3V, VFB = 0.5V or VOUT = 90%,Yhc嘉泰姆 Duty Cycle < 35%Yhc嘉泰姆	0.75Yhc嘉泰姆	0.9Yhc嘉泰姆	1Yhc嘉泰姆	AYhc嘉泰姆
RPFETYhc嘉泰姆	RDS(ON) of P-Channel FETYhc嘉泰姆	ISW = 100mAYhc嘉泰姆		0.3Yhc嘉泰姆
RNFETYhc嘉泰姆	RDS(ON) of N-Channel FETYhc嘉泰姆	ISW = -100mAYhc嘉泰姆		0.39Yhc嘉泰姆
EFFIYhc嘉泰姆	EfficiencyYhc嘉泰姆	When connected to ext. componentsYhc嘉泰姆 VIN=EN=3.6 V, IOUT=100mAYhc嘉泰姆		93Yhc嘉泰姆		%Yhc嘉泰姆
VOUTYhc嘉泰姆	VOUT Line RegulationYhc嘉泰姆	VIN=2.5V~5.5VYhc嘉泰姆		0.03Yhc嘉泰姆	0.3Yhc嘉泰姆	%/VYhc嘉泰姆
VLOADREGYhc嘉泰姆	VOUT Load RegulationYhc嘉泰姆			0.33Yhc嘉泰姆		%Yhc嘉泰姆

八,相关产品 更多同类产品......Yhc嘉泰姆

双通道高压同步DC-DC降压ICYhc嘉泰姆
型号Yhc嘉泰姆	输入耐压Yhc嘉泰姆	输出电压Yhc嘉泰姆	输出电流Yhc嘉泰姆	反馈Yhc嘉泰姆电压Yhc嘉泰姆	工作频率Yhc嘉泰姆	效率Yhc嘉泰姆	静态工Yhc嘉泰姆作电流Yhc嘉泰姆	待机Yhc嘉泰姆电流 Yhc嘉泰姆	封装Yhc嘉泰姆
CXSD61028Yhc嘉泰姆	8V-35VYhc嘉泰姆	可调输出/带线损补偿Yhc嘉泰姆	扩流4.2A/双通道带CC/CV模式Yhc嘉泰姆	1.21VYhc嘉泰姆	100-500K可调Yhc嘉泰姆	95%Yhc嘉泰姆	14mAYhc嘉泰姆	100uAYhc嘉泰姆	ESOP8Yhc嘉泰姆
CXSD61029Yhc嘉泰姆	8V-30VYhc嘉泰姆	可调输出/带线损补偿Yhc嘉泰姆	4.0A/双通道带CC/CV模式Yhc嘉泰姆	1.2VYhc嘉泰姆	100KHzYhc嘉泰姆	96%Yhc嘉泰姆	10mAYhc嘉泰姆		ESOP-8Yhc嘉泰姆
CXSD61030Yhc嘉泰姆	8V-40VYhc嘉泰姆	可调输出/带线损补偿Yhc嘉泰姆	扩流4.2A/双通道带CC/CV模式Yhc嘉泰姆	1.2VYhc嘉泰姆	100KHzYhc嘉泰姆	95%Yhc嘉泰姆	10mAYhc嘉泰姆		SOP-8Yhc嘉泰姆
CXSD61031Yhc嘉泰姆	8V-40VYhc嘉泰姆	可调输出/带线损补偿Yhc嘉泰姆	扩流6.0A/双通道带CC/CV模式Yhc嘉泰姆	1.2VYhc嘉泰姆	100KHzYhc嘉泰姆	96%Yhc嘉泰姆	10mAYhc嘉泰姆		ESOP-8Yhc嘉泰姆
双路低压同步DC-DC降压ICYhc嘉泰姆
型号Yhc嘉泰姆	输入耐压Yhc嘉泰姆	输出电压Yhc嘉泰姆	输出电流Yhc嘉泰姆	反馈Yhc嘉泰姆电压Yhc嘉泰姆	工作频率Yhc嘉泰姆	效率Yhc嘉泰姆	静态工Yhc嘉泰姆作电流Yhc嘉泰姆	待机Yhc嘉泰姆电流 Yhc嘉泰姆	封装Yhc嘉泰姆
CXSD61032Yhc嘉泰姆	3.0V-6.0VYhc嘉泰姆	双路可调Yhc嘉泰姆	1.5AYhc嘉泰姆	0.6VYhc嘉泰姆	1.5MHzYhc嘉泰姆	90%Yhc嘉泰姆		10uAYhc嘉泰姆	ESOP-8Yhc嘉泰姆
CXSD61033Yhc嘉泰姆	2.3V-6.0VYhc嘉泰姆	双路可调Yhc嘉泰姆	2AYhc嘉泰姆	0.6VYhc嘉泰姆	1.5MHzYhc嘉泰姆	90%Yhc嘉泰姆	150uAYhc嘉泰姆	0.1uAYhc嘉泰姆	ESOP-8Yhc嘉泰姆
CXSD61034Yhc嘉泰姆	2.5V-6.0VYhc嘉泰姆	双路可调Yhc嘉泰姆	0.9AYhc嘉泰姆	0.6VYhc嘉泰姆	1.4MHzYhc嘉泰姆	95%Yhc嘉泰姆	200uAYhc嘉泰姆	0.1uAYhc嘉泰姆	DFN3*3Yhc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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