产品信息查询
产品 新闻 资料
首页 > 产品中心 > 电源管理 > DC降压型芯片 > Buck降压型芯片 >CXSD61044D high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A output currents
CXSD61044D high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1.5A output currents
0

CXSD61044D operate over a wide inpu tvoltage range
from 2.3V to 6.0V and integrate main switch and synchronous switch
with very low RDS(ON) to minimize the conduction loss

CXSD61044D high-efficiency, high frequency synchronous  step-down DC-DC regulator ICs capable of delivering up to 1.5A output  currents
产品手册
样品申请

样品申请

产品简介

目录nI1嘉泰姆

1.产品概述                       2.产品特点nI1嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 nI1嘉泰姆
5.产品封装图                     6.电路原理图                   nI1嘉泰姆
7.功能概述                        8.相关产品
nI1嘉泰姆

 nI1嘉泰姆

一,产品概述(General Description)    nI1嘉泰姆


      The CXSD61039  CXSD61044D are high-efficiency, high frequency synchronous nI1嘉泰姆

step-down DC-DC regulator ICs capable of delivering up to 1.5A output nI1嘉泰姆

currents. The CXSD61039 can operate over a wide inpu tvoltage range nI1嘉泰姆

from 2.3V to 6.0V and integrate main switch and synchronous switch nI1嘉泰姆

with very low RDS(ON) to minimize the conduction loss.nI1嘉泰姆

    It is ideal for powering portable equipment that runs from a single cellnI1嘉泰姆
Lithium-Ion (Li+) battery. The CXSD61039 output voltage can be regulated 
nI1嘉泰姆

as low as 0.6V. The CXSD61039 CXSD61044D can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. This device offersnI1嘉泰姆

 two operation modes,PWM control and PFM Mode switching control,which nI1嘉泰姆

allows a high efficiency over the wider range of the load.nI1嘉泰姆
       The CXSD61039 CXSD61044D  is off ered in a low profile (1mm)5-pin, thin SOT package, and is available in an adjustable version.
nI1嘉泰姆

二.产品特点(Features)nI1嘉泰姆


High Efficiency: Up to 96%nI1嘉泰姆
1.0MHz Constant Frequency OperationnI1嘉泰姆
2A Output CurrentnI1嘉泰姆
No Schottky Diode RequirednI1嘉泰姆
2.3V to 6V Input Voltage RangenI1嘉泰姆
Output Voltage as Low as 0.6VnI1嘉泰姆
PFM Mode for High Efficiency in Light LoadnI1嘉泰姆
100% Duty Cycle in Dropout OperationnI1嘉泰姆
Low Quiescent Current: 40μAnI1嘉泰姆
Short Circuit ProtectionnI1嘉泰姆
Thermal Fault ProtectionnI1嘉泰姆
Inrush Current Limit and Soft StartnI1嘉泰姆
Input overvoltage protection(OVP)nI1嘉泰姆
<1μA Shutdown CurrentnI1嘉泰姆
SOT23-5 packagenI1嘉泰姆
三,应用范围 (Applications)
nI1嘉泰姆


Cellular and Smart PhonesnI1嘉泰姆
Wireless and DSL ModemsnI1嘉泰姆
PDAsnI1嘉泰姆
Portable InstrumentsnI1嘉泰姆
Digital Still and Video CamerasnI1嘉泰姆
PC CardsnI1嘉泰姆
四.技术规格书下载(产品PDF)
nI1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!nI1嘉泰姆

 QQ截图20160419174301.jpgnI1嘉泰姆

五,产品封装图 (Package)nI1嘉泰姆


image.pngnI1嘉泰姆

PINnI1嘉泰姆

NAMEnI1嘉泰姆

FUNCTIONnI1嘉泰姆

1nI1嘉泰姆

RUNnI1嘉泰姆

Chip Enable Pin. Drive RUN above 1.5V to turn on the part. DrivenI1嘉泰姆
RUN below 0.3V to turn it off. Do not leave RUN floating.
nI1嘉泰姆

2nI1嘉泰姆

GNDnI1嘉泰姆

Ground PinnI1嘉泰姆

3nI1嘉泰姆

SWnI1嘉泰姆

Power Switch Output. It is the switch node connection to Inductor.nI1嘉泰姆
This pin connects to the drains of the internal P-ch and N-ch MOSFET switches.
nI1嘉泰姆

4nI1嘉泰姆

VINnI1嘉泰姆

Power Supply Input. Must be closely decoupled to GND with a 10μF or greater ceramic capacitor.nI1嘉泰姆

5nI1嘉泰姆

VOUTnI1嘉泰姆

Output Voltage Feedback Pin. An internal resistive divider divides the output voltage down for comparison to the internal reference voltage.nI1嘉泰姆

六.电路原理图nI1嘉泰姆


image.pngnI1嘉泰姆
七,功能概述
nI1嘉泰姆

ParameternI1嘉泰姆

ConditionsnI1嘉泰姆

MINnI1嘉泰姆

TYPnI1嘉泰姆

MAXnI1嘉泰姆

unitnI1嘉泰姆

Input Voltage RangenI1嘉泰姆

 

2.3nI1嘉泰姆

 

6.0nI1嘉泰姆

VnI1嘉泰姆

UVLO ThresholdnI1嘉泰姆

 

1.7nI1嘉泰姆

1.9nI1嘉泰姆

2.1nI1嘉泰姆

VnI1嘉泰姆

Input DC Supply CurrentnI1嘉泰姆
PWM ModenI1嘉泰姆
PFM ModenI1嘉泰姆
Shutdown Mode
nI1嘉泰姆

(Note 4)nI1嘉泰姆
Vout = 90%, Iload=0mAnI1嘉泰姆
Vout = 105%, Iload=0mAnI1嘉泰姆
VRUN = 0V, VIN=4.2V
nI1嘉泰姆

 

140nI1嘉泰姆
35nI1嘉泰姆
0.1
nI1嘉泰姆

300nI1嘉泰姆
70nI1嘉泰姆
1.0
nI1嘉泰姆

μAnI1嘉泰姆
μAnI1嘉泰姆
μAnI1嘉泰姆
μA
nI1嘉泰姆

Regulated Feedback VoltagenI1嘉泰姆

TA = 25°CnI1嘉泰姆

0.588nI1嘉泰姆

0.600nI1嘉泰姆

0.612nI1嘉泰姆

VnI1嘉泰姆

TA = 0°C ≤ TA ≤ 85°CnI1嘉泰姆

0.586nI1嘉泰姆

0.600nI1嘉泰姆

0.613nI1嘉泰姆

VnI1嘉泰姆

TA = -40°C ≤ TA ≤ 85°CnI1嘉泰姆

0.585nI1嘉泰姆

0.600nI1嘉泰姆

0.615nI1嘉泰姆

VnI1嘉泰姆

Reference Voltage LinenI1嘉泰姆
Regulation
nI1嘉泰姆

Vin=2.3V to 6.0VnI1嘉泰姆

 

0.04nI1嘉泰姆

0.40nI1嘉泰姆

%/VnI1嘉泰姆

Output Voltage LinenI1嘉泰姆
Regulation
nI1嘉泰姆

VIN = 2.3V to 6.0VnI1嘉泰姆

 

0.04nI1嘉泰姆

0.4nI1嘉泰姆

%nI1嘉泰姆

Output Voltage LoadnI1嘉泰姆
Regulation
nI1嘉泰姆

   

0.5nI1嘉泰姆

 

%nI1嘉泰姆

Oscillation FrequencynI1嘉泰姆

Vout=100%nI1嘉泰姆
Vout=0V
nI1嘉泰姆

 

1.0nI1嘉泰姆

 

MHznI1嘉泰姆

 

300nI1嘉泰姆

 

KHznI1嘉泰姆

On Resistance of PMOSnI1嘉泰姆

ISW=100mAnI1嘉泰姆

 

0.2nI1嘉泰姆

 

nI1嘉泰姆

ON Resistance of NMOSnI1嘉泰姆

ISW=-100mAnI1嘉泰姆

 

0.13nI1嘉泰姆

 

nI1嘉泰姆

Peak Current LimitnI1嘉泰姆

VIN= 3V, Vout=90% 3410AnI1嘉泰姆

 

2.5nI1嘉泰姆

 

AnI1嘉泰姆

VIN= 3V, Vout=90% 3410nI1嘉泰姆

 

2.5nI1嘉泰姆

 

AnI1嘉泰姆

RUN ThresholdnI1嘉泰姆

 

0.30nI1嘉泰姆

1.0nI1嘉泰姆

1.50nI1嘉泰姆

VnI1嘉泰姆

RUN Leakage CurrentnI1嘉泰姆

   

±0.01nI1嘉泰姆

±1.0nI1嘉泰姆

μAnI1嘉泰姆

SW Leakage CurrentnI1嘉泰姆

VRUN=0V,VIN=Vsw=5VnI1嘉泰姆

 

±0.01nI1嘉泰姆

±1.0nI1嘉泰姆

μAnI1嘉泰姆

八,相关芯片选择指南                更多同类产品......nI1嘉泰姆


低压同步DC-DC降压ICnI1嘉泰姆

型号nI1嘉泰姆

输入耐压nI1嘉泰姆

输出电压nI1嘉泰姆

输出电流nI1嘉泰姆

反馈电压nI1嘉泰姆

工作频率nI1嘉泰姆

效率nI1嘉泰姆

静态工作电流nI1嘉泰姆

待机电流nI1嘉泰姆

封装nI1嘉泰姆

CXSD61036nI1嘉泰姆

2.0-6.0VnI1嘉泰姆

1.2V/1.8V/3.3V/可调输出nI1嘉泰姆

0.7AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MHznI1嘉泰姆

96%nI1嘉泰姆

20uAnI1嘉泰姆

 

SOT-25nI1嘉泰姆

CXSD61037nI1嘉泰姆

2.5-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

1AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MHznI1嘉泰姆

96%nI1嘉泰姆

20uAnI1嘉泰姆

 

SOT-25nI1嘉泰姆

CXSD61038nI1嘉泰姆

2.0-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

1.0AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

20uAnI1嘉泰姆

1uAnI1嘉泰姆

SOT-25nI1嘉泰姆

CXSD61038AnI1嘉泰姆

2.3-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

1.2AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

35uAnI1嘉泰姆

1uAnI1嘉泰姆

SOT-25nI1嘉泰姆

CXSD61038BnI1嘉泰姆

2.3-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

1.5AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

35uAnI1嘉泰姆

1uAnI1嘉泰姆

SOT-25nI1嘉泰姆

CXSD61039nI1嘉泰姆

2.3-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

1.5AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

35uAnI1嘉泰姆

1uAnI1嘉泰姆

SOT-25nI1嘉泰姆

CXSD61040nI1嘉泰姆

2.0-6.5VnI1嘉泰姆

可调输出nI1嘉泰姆

2.0AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

40uAnI1嘉泰姆

1uAnI1嘉泰姆

SOT-26nI1嘉泰姆

CXSD61040BnI1嘉泰姆

2.6-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

2.0AnI1嘉泰姆

0.6VnI1嘉泰姆

3MnI1嘉泰姆

96%nI1嘉泰姆

30uAnI1嘉泰姆

0.1uAnI1嘉泰姆

SOT-25nI1嘉泰姆

CXSD61042SnI1嘉泰姆

2.3-6.5VnI1嘉泰姆

可调输出nI1嘉泰姆

2.0AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

40uAnI1嘉泰姆

40uAnI1嘉泰姆

SOP-8nI1嘉泰姆

CXSD61043SnI1嘉泰姆

2.3-6.5VnI1嘉泰姆

可调输出nI1嘉泰姆

3.0AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

95%nI1嘉泰姆

40uAnI1嘉泰姆

40uAnI1嘉泰姆

ESOP-8nI1嘉泰姆

CXSD61044DnI1嘉泰姆

2.3V-6.5VnI1嘉泰姆

可调输出nI1嘉泰姆

1.3AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

96%nI1嘉泰姆

35uAnI1嘉泰姆

35uAnI1嘉泰姆

DFN2*2-6nI1嘉泰姆

CXSD61040DnI1嘉泰姆

2.3V-6.5VnI1嘉泰姆

可调输出nI1嘉泰姆

2AnI1嘉泰姆

0.6VnI1嘉泰姆

1.5MnI1嘉泰姆

95%nI1嘉泰姆

40uAnI1嘉泰姆

40uAnI1嘉泰姆

DFN3*3-10nI1嘉泰姆

CXSD61043nI1嘉泰姆

2.5-6.0VnI1嘉泰姆

可调输出nI1嘉泰姆

3.0AnI1嘉泰姆

0.6VnI1嘉泰姆

1MHznI1嘉泰姆

95%nI1嘉泰姆

40uAnI1嘉泰姆

0.1uAnI1嘉泰姆

SOT-25nI1嘉泰姆

发表评论
    共有条评论
    用户名: 密码:
    验证码: 匿名发表

热门信息
  • 最新信息
    推荐信息
    相关文章
    无相关信息
    推荐资讯
    CXSD62620AF 18V/2A  Sync. Step-Down Converter4.5V至18V工作输入基于I2架构的单片式降压开关稳压器通过两个集成的N沟道MOSFET提供2A的连续输出电流
    CXSD62620AF 18V/2A
    CXSD62619 28V/2A  Sync. Step-Down Converter电流模式单片降压转换器4.5V至28V的输入过两个集成的N沟道MOSFET提供2A的连续输出电流600kHz开关频率
    CXSD62619 28V/2A Sy
    CXSD62618TF 18V/3A  Sync. Step-Down Converter基于I2架构的单片式降压开关稳压器快速瞬态响应4.5V至18V的输入通过两个集成的N沟道MOSFET提供3A的连续输出电流
    CXSD62618TF 18V/3A
    CXSD62617TF 18V/2A  Sync. Step-Down Converter基于I2架构的单片式降压开关稳压器4.5V至18V工作输入2A输出电流600kHz开关频率内部软启动输入欠压锁定
    CXSD62617TF 18V/2A
    CXSD62622  45V/5A Asynchronous  Step-Down Converter电流模式单片降压开关稳压器4.5V至45V的输入集成了高端N沟道MOSFET5A的连续输出电流
    CXSD62622 45V/5A As
    CXSD62621HF  18V/3A  Sync. Step-Down Converter基于I2架构的单片式降压开关稳压器4.5V至18V工作输入通过两个集成的N沟道MOSFET提供3A的连续输出电流
    CXSD62621HF 18V/3A
    CXSD62623   60V/2A Asynchronous  Step-Down Converter电流模式单片降压开关稳压器4.5V至60V的输入集成的高端N沟道MOSFET提供2A的连续输出电流开关频率可调内部软启动
    CXSD62623 60V/2A A
    CXSD62624 6V/2A, Sync. Step-Down Converter 基于COT架构的单片式降压开关稳压器快速瞬态响应2.5V至6V的输入2A的输出电流2MHz开关频率
    CXSD62624 6V/2A, Syn
    CXSD62625  18V/5A  Sync. Step-Down Converter 4.5V至18V工作输入范围5A输出电流内部软启动电源正常指示器输出短路保护热保护
    CXSD62625 18V/5A S
    CXAC85250B/CXAC85250M 高精度恒压恒流驱动IC | 无辅助绕组设计 | 直接线电压供电 | 智能LED驱动
    CXAC85250B/CXAC85250
    CXSD62626 18V/6A  Sync. Step-Down Converter 基于I2架构的单片式降压开关稳压器,可实现快速瞬态响应 通过两个集成的N沟道MOSFET提供6A的连续输出电流 4.5V至18V工作输入范围
    CXSD62626 18V/6A Sy
    CXAC85251 高精度恒压恒流驱动IC | 直接线电压供电 | 无辅助绕组 | 智能LED照明解决方案
    CXAC85251 高精度恒压