CXSD62227A是一个单片同步降压调节器。该器件集成了两个130mΩmosfet，在4.75V到23V的宽输入电压下提供2.2A的连续负载电流。电流模式控制提供快速瞬态响应和逐周电流限制。可调软启动可防止开启时的涌入电流，在关闭模式下，电源电流降至1μA
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产品概述 返回TOP
The CXSD62227A is a monolithic synchronous buck regulator. The device integrates two 130mΩ MOSFETs, and provides2.2A of continuous load current over a wide input voltage of 4.75V to 23V.
Current mode control provides fast transient response and cycle-by-cycle current limit.An adjustable
soft-start prevents inrush current at turn-on, and inshutdown mode the supply current drops to 1μA.
This device, available in an SOP8-PP package, provides a verycompact solution with minimal external components
产品特点 返回TOP
* 2.2A Output Current
* Wide 4.75V to 23V Operating Input Range
* Integrated 130mΩ Power MOSFET Switches
* Output Adjustable from 0.923V to 20V
* Up to 93% Efficiency
* Programmable Soft-Start
* Stable with Low ESR Ceramic Output Capacitors
* Fixed 340KHz Frequency
* Cycle-by-Cycle Over Current Protection
* Input Under Voltage Lockout
应用范围 返回TOP
* Distributed Power Systems
* Networking Systems
* FPGA, DSP, ASIC Power Supplies
* Green Electronics/ Appliances
* Notebook Computers
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PWM Buck Converter（synchronous) |
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Part No. |
Input |
Output Voltage |
Current |
Frequency |
Efficiency |
Package |
Precision |
OCP |
OTP |
SP |
|
Voltage |
MAX |
|||||||||
|
40V |
ADJ |
600mA |
1/2MHZ |
85% |
SOT23-6 |
2% |
Y |
Y |
Y |
|
|
CXSD62226A |
23V |
ADJ |
2A |
340KHZ |
93% |
SOP8 |
2% |
Y |
Y |
Y |
|
CXSD62227A |
23V |
ADJ |
2.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
CXSD62228A |
23V |
ADJ |
3.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
CXSD62228B |
23V |
ADJ(PSM) |
3.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
32V |
ADJ |
2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
CXSD62229A |
32V |
ADJ |
2A |
600KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
32V |
ADJ |
1.6A |
340KHZ |
93% |
SOP8 |
2% |
Y |
Y |
Y |
|
|
32V |
ADJ |
2.2A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
CXSD62231A |
32V |
ADJ |
2.2A |
600KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
CXSD62231B |
22V |
ADJ |
3A |
600KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
32V |
ADJ |
2.2A |
200KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
32V |
ADJ |
3A |
340KHZ |
93% |
SOP8-PP |
2% |
Y |
Y |
Y |
|
|
5.5V |
1.2/.15/1.8/ADJ |
800mA |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
5.5V |
1.2/.15/1.8/ADJ |
1.2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
CXSD62235B |
5.5V |
1.2/.15/1.8/ADJ |
1.2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
5.5V |
1.2/.15/1.8/ADJ |
1.2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
5.5V |
1.2/.15/1.8/ADJ |
2A |
1.5MHZ |
96% |
SOT23-5 |
2% |
Y |
Y |
Y |
|
|
5.5V |
1.2/.15/1.8/ADJ |
1.5A*2 |
1.5MHZ |
96% |
SOP8 |
2% |
Y |
Y |
Y |
|
◀ 上一篇:可编程软启动宽4.75V至23V输入CXSD62226A效率93%单片同步稳压器电流模式控制提供快速的瞬态响应和逐周电流限制
下一篇▶:130mΩ功率MOSFET开关宽4.75V至23V输入CXSD62228A单片同步降压调节器固定340KHz频率
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