CXSD61038A can operate over a wide input voltage range from 2.3V to 5.5V and integrate main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss.
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目录
产品概述 返回TOP
The CXSD61038A CXSD61038B are high-efficiency, high frequency synchronous step-down DC-DC
regulator ICs capable of delivering up to 1.5A output currents. The CXSD61038A CXSD61038B can
operate over a wide input voltage range from 2.3V to 5.5V and integrate main switch and
synchronous switch with very low RDS(ON) to minimize the conduction loss.
It is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+)
battery. The output voltage can be regulated as low as 0.6V. The CXSD61038A CXSD61038B can also run at
100% duty cycle for low dropout operation,extending battery life in portable system.
This device offers two operation modes,PWM control and PFM Mode switching
control, which allows a high efficiency overthe wider range of the load.
The CXSD61038A CXSD61038B is offered in a low profile (1mm) 5-pin, thin SOT package, and is
available in an adjustable version.
产品特点 返回TOP
CXSD61038A 1.2A output current
CXSD61038B 1.5A output current
· High Efficiency: Up to 96%
· 1.5MHz Constant Frequency Operation
· No Schottky Diode Required
· 2.3V to 5.5V Input Voltage Range
· Output Voltage as Low as 0.6V
· 100% Duty Cycle in Dropout
· Low Quiescent Current: 35μA
· Slope Compensated Current Mode
Control for Excellent Line and Load
Transient Response
· Short Circuit Protection
· Thermal Fault Protection
· Inrush Current Limit and Soft Start
· <1μA Shutdown Current
· Tiny SOT23-5 Package
应用范围 返回TOP
· Cellular and Smart Phones
· Wireless and DSL Modems
· PDA
· Digital Still and Video Cameras
· MP3 Players
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产品封装图 返回TOP
电路原理图 返回TOP
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|
型号 |
输入耐压 |
输出电压 |
输出电流 |
反馈电压 |
工作频率 |
静态工作电流 |
待机电流 |
封装 |
|
|
2.0-6.0V |
1.2V/1.8V/3.3V/可调输出 |
0.7A |
0.6V |
1.5MHz |
96% |
20uA |
SOT-25 |
||
|
2.5-6.0V |
可调输出 |
1A |
0.6V |
1.5MHz |
96% |
20uA |
SOT-25 |
||
|
2.0-6.0V |
可调输出 |
1.0A |
0.6V |
1.5M |
96% |
20uA |
1uA |
SOT-25 |
|
|
CXSD61038A |
2.3-6.0V |
可调输出 |
1.2A |
0.6V |
1.5M |
96% |
35uA |
1uA |
SOT-25 |
|
CXSD61038B |
2.3-6.0V |
可调输出 |
1.5A |
0.6V |
1.5M |
96% |
35uA |
1uA |
SOT-25 |
|
2.3-6.0V |
可调输出 |
1.5A |
0.6V |
1.5M |
96% |
35uA |
1uA |
SOT-25 |
|
|
2.0-6.5V |
可调输出 |
2.0A |
0.6V |
1.5M |
96% |
40uA |
1uA |
SOT-26 |
|
|
CXSD61040B |
2.6-6.0V |
可调输出 |
2.0A |
0.6V |
3M |
96% |
30uA |
0.1uA |
SOT-25 |
|
CXSD61042S |
2.3-6.5V |
可调输出 |
2.0A |
0.6V |
1.5M |
96% |
40uA |
40uA |
SOP-8 |
|
CXSD61043S |
2.3-6.5V |
可调输出 |
3.0A |
0.6V |
1.5M |
95% |
40uA |
40uA |
ESOP-8 |
|
CXSD61044D |
2.3V-6.5V |
可调输出 |
1.3A |
0.6V |
1.5M |
96% |
35uA |
35uA |
DFN2*2-6 |
|
CXSD61040D |
2.3V-6.5V |
可调输出 |
2A |
0.6V |
1.5M |
95% |
40uA |
40uA |
DFN3*3-10 |
|
2.5-6.0V |
可调输出 |
3.0A |
0.6V |
1MHz |
95% |
40uA |
0.1uA |
SOT-25 |
|
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