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 > 同异步升降压DC转换器 > 同步DC-DC降压IC >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J53嘉泰姆

1.产品概述         2.产品特点J53嘉泰姆
3.应用范围       4.下载产品资料PDF文档 J53嘉泰姆
5.产品封装图                     6.电路原理图             J53嘉泰姆
7.功能概述       8.相关产品J53嘉泰姆

一,产品概述(General Description)         J53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 withJ53嘉泰姆
no load, and drops to < 1 A in shutdown.J53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.J53嘉泰姆
     The CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).J53嘉泰姆
二.产品特点(Features)J53嘉泰姆
Up to 95% EfficiencyJ53嘉泰姆
Current mode operation for excellent line andJ53嘉泰姆
load transient responseJ53嘉泰姆
Low quiescent current: 460 AJ53嘉泰姆
Low Switch on Resistance RDS(ON), InternalJ53嘉泰姆
Switch: 0.35J53嘉泰姆
Output voltage 0.6V 5.5VJ53嘉泰姆
Automatic PWM/PFM mode switchingJ53嘉泰姆
No Schottky diode requiredJ53嘉泰姆
1.4MHz fixed frequency switchingJ53嘉泰姆
Short-Circuit protectionJ53嘉泰姆
Shutdown quiescent current: < 1 AJ53嘉泰姆
Low profile DFN3*3-10L package (lead-freeJ53嘉泰姆
packaging is now available)J53嘉泰姆
三,应用范围 (Applications)J53嘉泰姆
Digital cameras and MP3J53嘉泰姆
Palmtop computers / PDAsJ53嘉泰姆
Cellular phonesJ53嘉泰姆
Wireless handsets and DSL modemsJ53嘉泰姆
PC cardsJ53嘉泰姆
Portable media playersJ53嘉泰姆
四,产品封装图 (Package)J53嘉泰姆
J53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)J53嘉泰姆

五,电路原理图J53嘉泰姆
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六.产品PDF文档 J53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！J53嘉泰姆

J53嘉泰姆
J53嘉泰姆
七,功能概述J53嘉泰姆

SYMBOLJ53嘉泰姆	PARAMETERJ53嘉泰姆	CONDITIONSJ53嘉泰姆	MINJ53嘉泰姆	TYPJ53嘉泰姆	MAXJ53嘉泰姆	UNITSJ53嘉泰姆
VOUTJ53嘉泰姆	Output VoltageJ53嘉泰姆	I OUT = 100mA, R2(4)/R1(3)=2J53嘉泰姆	1.75J53嘉泰姆	1.80J53嘉泰姆	1.85J53嘉泰姆	VJ53嘉泰姆
VINJ53嘉泰姆	Input Voltage RangeJ53嘉泰姆		2.5J53嘉泰姆		5.5J53嘉泰姆	VJ53嘉泰姆
VFBJ53嘉泰姆	Regulated VoltageJ53嘉泰姆	TA = 25J53嘉泰姆	0.5880J53嘉泰姆	0.6J53嘉泰姆	0.6120J53嘉泰姆	VJ53嘉泰姆
IFBJ53嘉泰姆	Feedback CurrentJ53嘉泰姆				±30J53嘉泰姆	nAJ53嘉泰姆
VFBJ53嘉泰姆	VREFJ53嘉泰姆	VIN=2.5V~5.5VJ53嘉泰姆		0.03J53嘉泰姆	0.4J53嘉泰姆	%/VJ53嘉泰姆
FOSCJ53嘉泰姆	Oscillator FrequencyJ53嘉泰姆	VFB = 0.6V or VOUT = 100%J53嘉泰姆	1.1J53嘉泰姆	1.4J53嘉泰姆	1.7J53嘉泰姆	MHzJ53嘉泰姆
IQJ53嘉泰姆	Quiescent CurrentJ53嘉泰姆	VFB = 0.5V or VOUT = 90%, ILOAD = 0AJ53嘉泰姆		200J53嘉泰姆	300J53嘉泰姆	AJ53嘉泰姆
ISJ53嘉泰姆	Shutdown CurrentJ53嘉泰姆	VEN = 0V, VIN = 4.2VJ53嘉泰姆		0.1J53嘉泰姆	1J53嘉泰姆	AJ53嘉泰姆
IPKJ53嘉泰姆	Peak Inductor CurrentJ53嘉泰姆	VIN = 3V, VFB = 0.5V or VOUT = 90%,J53嘉泰姆 Duty Cycle < 35%J53嘉泰姆	0.75J53嘉泰姆	0.9J53嘉泰姆	1J53嘉泰姆	AJ53嘉泰姆
RPFETJ53嘉泰姆	RDS(ON) of P-Channel FETJ53嘉泰姆	ISW = 100mAJ53嘉泰姆		0.3J53嘉泰姆
RNFETJ53嘉泰姆	RDS(ON) of N-Channel FETJ53嘉泰姆	ISW = -100mAJ53嘉泰姆		0.39J53嘉泰姆
EFFIJ53嘉泰姆	EfficiencyJ53嘉泰姆	When connected to ext. componentsJ53嘉泰姆 VIN=EN=3.6 V, IOUT=100mAJ53嘉泰姆		93J53嘉泰姆		%J53嘉泰姆
VOUTJ53嘉泰姆	VOUT Line RegulationJ53嘉泰姆	VIN=2.5V~5.5VJ53嘉泰姆		0.03J53嘉泰姆	0.3J53嘉泰姆	%/VJ53嘉泰姆
VLOADREGJ53嘉泰姆	VOUT Load RegulationJ53嘉泰姆			0.33J53嘉泰姆		%J53嘉泰姆

八,相关产品 更多同类产品......J53嘉泰姆

双通道高压同步DC-DC降压ICJ53嘉泰姆
型号J53嘉泰姆	输入耐压J53嘉泰姆	输出电压J53嘉泰姆	输出电流J53嘉泰姆	反馈J53嘉泰姆电压J53嘉泰姆	工作频率J53嘉泰姆	效率J53嘉泰姆	静态工J53嘉泰姆作电流J53嘉泰姆	待机J53嘉泰姆电流 J53嘉泰姆	封装J53嘉泰姆
CXSD61028J53嘉泰姆	8V-35VJ53嘉泰姆	可调输出/带线损补偿J53嘉泰姆	扩流4.2A/双通道带CC/CV模式J53嘉泰姆	1.21VJ53嘉泰姆	100-500K可调J53嘉泰姆	95%J53嘉泰姆	14mAJ53嘉泰姆	100uAJ53嘉泰姆	ESOP8J53嘉泰姆
CXSD61029J53嘉泰姆	8V-30VJ53嘉泰姆	可调输出/带线损补偿J53嘉泰姆	4.0A/双通道带CC/CV模式J53嘉泰姆	1.2VJ53嘉泰姆	100KHzJ53嘉泰姆	96%J53嘉泰姆	10mAJ53嘉泰姆		ESOP-8J53嘉泰姆
CXSD61030J53嘉泰姆	8V-40VJ53嘉泰姆	可调输出/带线损补偿J53嘉泰姆	扩流4.2A/双通道带CC/CV模式J53嘉泰姆	1.2VJ53嘉泰姆	100KHzJ53嘉泰姆	95%J53嘉泰姆	10mAJ53嘉泰姆		SOP-8J53嘉泰姆
CXSD61031J53嘉泰姆	8V-40VJ53嘉泰姆	可调输出/带线损补偿J53嘉泰姆	扩流6.0A/双通道带CC/CV模式J53嘉泰姆	1.2VJ53嘉泰姆	100KHzJ53嘉泰姆	96%J53嘉泰姆	10mAJ53嘉泰姆		ESOP-8J53嘉泰姆
双路低压同步DC-DC降压ICJ53嘉泰姆
型号J53嘉泰姆	输入耐压J53嘉泰姆	输出电压J53嘉泰姆	输出电流J53嘉泰姆	反馈J53嘉泰姆电压J53嘉泰姆	工作频率J53嘉泰姆	效率J53嘉泰姆	静态工J53嘉泰姆作电流J53嘉泰姆	待机J53嘉泰姆电流 J53嘉泰姆	封装J53嘉泰姆
CXSD61032J53嘉泰姆	3.0V-6.0VJ53嘉泰姆	双路可调J53嘉泰姆	1.5AJ53嘉泰姆	0.6VJ53嘉泰姆	1.5MHzJ53嘉泰姆	90%J53嘉泰姆		10uAJ53嘉泰姆	ESOP-8J53嘉泰姆
CXSD61033J53嘉泰姆	2.3V-6.0VJ53嘉泰姆	双路可调J53嘉泰姆	2AJ53嘉泰姆	0.6VJ53嘉泰姆	1.5MHzJ53嘉泰姆	90%J53嘉泰姆	150uAJ53嘉泰姆	0.1uAJ53嘉泰姆	ESOP-8J53嘉泰姆
CXSD61034J53嘉泰姆	2.5V-6.0VJ53嘉泰姆	双路可调J53嘉泰姆	0.9AJ53嘉泰姆	0.6VJ53嘉泰姆	1.4MHzJ53嘉泰姆	95%J53嘉泰姆	200uAJ53嘉泰姆	0.1uAJ53嘉泰姆	DFN3*3J53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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