目录ryR嘉泰姆

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

一,产品概述(General Description)      ryR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 withryR嘉泰姆
no load, and drops to < 1 A in shutdown.ryR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.ryR嘉泰姆
     The  CXSD61034 converters are available in the industry standard DFN3*3-10L power packages(or upon request).ryR嘉泰姆
二.产品特点(Features)ryR嘉泰姆

Up to 95% EfficiencyryR嘉泰姆
Current mode operation for excellent line andryR嘉泰姆
load transient responseryR嘉泰姆
Low quiescent current: 460 AryR嘉泰姆
Low Switch on Resistance RDS(ON), InternalryR嘉泰姆
Switch: 0.35ryR嘉泰姆
Output voltage 0.6V 5.5VryR嘉泰姆
Automatic PWM/PFM mode switchingryR嘉泰姆
No Schottky diode requiredryR嘉泰姆
1.4MHz fixed frequency switchingryR嘉泰姆
Short-Circuit protectionryR嘉泰姆
Shutdown quiescent current: < 1 AryR嘉泰姆
Low profile DFN3*3-10L package (lead-freeryR嘉泰姆
packaging is now available)ryR嘉泰姆
三,应用范围 (Applications)ryR嘉泰姆

 Digital cameras and MP3ryR嘉泰姆
Palmtop computers / PDAsryR嘉泰姆
Cellular phonesryR嘉泰姆
Wireless handsets and DSL modemsryR嘉泰姆
PC cardsryR嘉泰姆
Portable media playersryR嘉泰姆
四,产品封装图 (Package)ryR嘉泰姆

ryR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)ryR嘉泰姆

SYMBOLryR嘉泰姆

PARAMETERryR嘉泰姆

CONDITIONSryR嘉泰姆

MINryR嘉泰姆

TYPryR嘉泰姆

MAXryR嘉泰姆

UNITSryR嘉泰姆

VOUTryR嘉泰姆

Output VoltageryR嘉泰姆

I OUT = 100mA, R2(4)/R1(3)=2ryR嘉泰姆

1.75ryR嘉泰姆

1.80ryR嘉泰姆

1.85ryR嘉泰姆

VryR嘉泰姆

VINryR嘉泰姆

Input Voltage RangeryR嘉泰姆

2.5ryR嘉泰姆

5.5ryR嘉泰姆

VryR嘉泰姆

VFBryR嘉泰姆

Regulated VoltageryR嘉泰姆

TA = 25ryR嘉泰姆

0.5880ryR嘉泰姆

0.6ryR嘉泰姆

0.6120ryR嘉泰姆

VryR嘉泰姆

IFBryR嘉泰姆

Feedback CurrentryR嘉泰姆

±30ryR嘉泰姆

nAryR嘉泰姆

VFBryR嘉泰姆

VREFryR嘉泰姆

VIN=2.5V~5.5VryR嘉泰姆

0.03ryR嘉泰姆

0.4ryR嘉泰姆

%/VryR嘉泰姆

FOSCryR嘉泰姆

Oscillator FrequencyryR嘉泰姆

VFB = 0.6V or VOUT = 100%ryR嘉泰姆

1.1ryR嘉泰姆

1.4ryR嘉泰姆

1.7ryR嘉泰姆

MHzryR嘉泰姆

IQryR嘉泰姆

Quiescent CurrentryR嘉泰姆

VFB = 0.5V or VOUT = 90%, ILOAD = 0AryR嘉泰姆

200ryR嘉泰姆

300ryR嘉泰姆

AryR嘉泰姆

ISryR嘉泰姆

Shutdown CurrentryR嘉泰姆

VEN = 0V, VIN = 4.2VryR嘉泰姆

0.1ryR嘉泰姆

1ryR嘉泰姆

AryR嘉泰姆

IPKryR嘉泰姆

Peak Inductor CurrentryR嘉泰姆

VIN = 3V, VFB = 0.5V or VOUT = 90%,ryR嘉泰姆
Duty Cycle < 35%ryR嘉泰姆

0.75ryR嘉泰姆

0.9ryR嘉泰姆

1ryR嘉泰姆

AryR嘉泰姆

RPFETryR嘉泰姆

RDS(ON) of P-Channel FETryR嘉泰姆

ISW = 100mAryR嘉泰姆

0.3ryR嘉泰姆

RNFETryR嘉泰姆

RDS(ON) of N-Channel FETryR嘉泰姆

ISW = -100mAryR嘉泰姆

0.39ryR嘉泰姆

EFFIryR嘉泰姆

EfficiencyryR嘉泰姆

When connected to ext. componentsryR嘉泰姆
VIN=EN=3.6 V, IOUT=100mAryR嘉泰姆

93ryR嘉泰姆

%ryR嘉泰姆

VOUTryR嘉泰姆

VOUT Line RegulationryR嘉泰姆

VIN=2.5V~5.5VryR嘉泰姆

0.03ryR嘉泰姆

0.3ryR嘉泰姆

%/VryR嘉泰姆

VLOADREGryR嘉泰姆

VOUT Load RegulationryR嘉泰姆

0.33ryR嘉泰姆

%ryR嘉泰姆

双通道高压同步DC-DC降压ICryR嘉泰姆

 型号ryR嘉泰姆

 输入耐压ryR嘉泰姆

 输出电压ryR嘉泰姆

 输出电流ryR嘉泰姆

反馈ryR嘉泰姆

电压ryR嘉泰姆

工作频率ryR嘉泰姆

效率ryR嘉泰姆

静态工ryR嘉泰姆

作电流ryR嘉泰姆

待机ryR嘉泰姆

电流 ryR嘉泰姆

 封装ryR嘉泰姆

CXSD61028ryR嘉泰姆

8V-35VryR嘉泰姆

可调输出/带线损补偿ryR嘉泰姆

扩流4.2A/双通道带CC/CV模式ryR嘉泰姆

1.21VryR嘉泰姆

100-500K可调ryR嘉泰姆

95%ryR嘉泰姆

14mAryR嘉泰姆

100uAryR嘉泰姆

ESOP8ryR嘉泰姆

CXSD61029ryR嘉泰姆

8V-30VryR嘉泰姆

可调输出/带线损补偿ryR嘉泰姆

4.0A/双通道带CC/CV模式ryR嘉泰姆

1.2VryR嘉泰姆

100KHzryR嘉泰姆

96%ryR嘉泰姆

10mAryR嘉泰姆

ESOP-8ryR嘉泰姆

CXSD61030ryR嘉泰姆

8V-40VryR嘉泰姆

可调输出/带线损补偿ryR嘉泰姆

扩流4.2A/双通道带CC/CV模式ryR嘉泰姆

1.2VryR嘉泰姆

100KHzryR嘉泰姆

95%ryR嘉泰姆

10mAryR嘉泰姆

SOP-8ryR嘉泰姆

CXSD61031ryR嘉泰姆

8V-40VryR嘉泰姆

可调输出/带线损补偿ryR嘉泰姆

扩流6.0A/双通道带CC/CV模式ryR嘉泰姆

1.2VryR嘉泰姆

100KHzryR嘉泰姆

96%ryR嘉泰姆

10mAryR嘉泰姆

ESOP-8ryR嘉泰姆

双路低压同步DC-DC降压ICryR嘉泰姆

 型号ryR嘉泰姆

 输入耐压ryR嘉泰姆

 输出电压ryR嘉泰姆

输出电流ryR嘉泰姆

反馈ryR嘉泰姆

电压ryR嘉泰姆

 工作频率ryR嘉泰姆

效率ryR嘉泰姆

静态工ryR嘉泰姆

作电流ryR嘉泰姆

待机ryR嘉泰姆

电流 ryR嘉泰姆

 封装ryR嘉泰姆

CXSD61032ryR嘉泰姆

3.0V-6.0VryR嘉泰姆

双路可调ryR嘉泰姆

1.5AryR嘉泰姆

0.6VryR嘉泰姆

1.5MHzryR嘉泰姆

90%ryR嘉泰姆

10uAryR嘉泰姆

ESOP-8ryR嘉泰姆

CXSD61033ryR嘉泰姆

2.3V-6.0VryR嘉泰姆

双路可调ryR嘉泰姆

2AryR嘉泰姆

0.6VryR嘉泰姆

1.5MHzryR嘉泰姆

90%ryR嘉泰姆

150uAryR嘉泰姆

0.1uAryR嘉泰姆

ESOP-8ryR嘉泰姆

CXSD61034ryR嘉泰姆

2.5V-6.0VryR嘉泰姆

双路可调ryR嘉泰姆

0.9AryR嘉泰姆

0.6VryR嘉泰姆

1.4MHzryR嘉泰姆

95%ryR嘉泰姆

200uAryR嘉泰姆

0.1uAryR嘉泰姆

DFN3*3ryR嘉泰姆