CXSD6133B current mode monolithic buck switching regulator. Operating with an input range of 4.7V~18V, delivers 2A of continuous output current with two integrated N-Channel MO
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[ 产品资料下载 ]
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（产品PDF文档）
5.产品封装图 6.电路原理图 7.功能概述 8.相关产品
一,产品概述(General Description)
The CXSD6133B is a current mode monolithic buck switching regulator.
Operating with an input range of 4.7V~18V, the CXSD6133B delivers 2A of
continuous output current with two integrated N-Channel MOSFETs. The internal
synchronous power switches provide high efficiency without the use of an
external Schottky diode. At light loads, the regulator operates in low frequency
to maintain high efficiency and low output ripples.Current mode control provides
tight load transient response and cycle-by-cycle current limit.The CXSD6133B
guarantees robustness with short-circuit protection, thermal protection,current
run-away protection, input under voltage lockout.The CXSD6133B is
available in 6-pin TSOT23-6 package, which provides a compact solution
with minimal external components.
二.产品特点(Features)
4.7V to 18V operating input range
2A output current
Up to 95% efficiency
High efficiency (>85%) at light load
Fixed 500kHz Switching frequency
Input under voltage lockout
Feedback short protection
SW pin short protection
Current run-away protection
Short circuit protection
Thermal protection
Available in TSOT23-6 package
三,应用范围 (Applications)
Distributed Power Systems
Networking Systems
FPGA, DSP, ASIC Power Supplies
Green Electronics/ Appliances
Notebook Computers
四.技术规格书下载（产品PDF）
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！
五,产品封装图 (Package)
六.电路原理图
七,功能概述
VIN, EN, SW Pin …................................................................................................................ -0.3V to 20V
BST Pin ...................................................................................................................... SW-0.3V to SW+5V
All other Pins ............................................................................................................................ -0.3V to 6V
Junction Temp. 2) 3) ............................................................................................................................150oC
Lead Temperature ............................................................................................................................260 oC
八,相关芯片选择指南
| 降压型DC/DC转换器(DC/DC Step-down Converter) | |||||||
| Part No. | Power switching | MODE | VIN | VOUT | IQ | FOSC | Eff. |
| CXSD6123 | Built-in MOSFETSynchronous | PWM/PFM | Max 7V | ADJ | 35μA | 1.5MHz | 96% |
| CXSD6124 | Built-in MOSFETSynchronous | PWM/PFM | 2.6~6V | ADJ | 40μA | 1.5MHz | 96% |
| CXSD6125 | Built-in MOSFET Synchronous | PWM/PFM | 2.6~7V | ADJ | 50μA | 1.5MHz | 97% |
| CXSD6126 | Built-in MOSFET Synchronous | PWM/PFM | 2.5~6V | ADJ | 40μA | 1.5MHz | 96% |
| CXSD6127 | Built-in MOSFET Synchronous | PWM/PFM | 2.5~5.5V | ADJ | 50μA | 1.3MHz | 97% |
| CXSD6128 | Built-in MOSFET Synchronous | PWM/PFM | 2.6~6V | ADJ | 30μA | 3MHz | 96% |
| CXSD6129 | Built-in MOSFET Synchronous | PWM/PFM | 2.6~5.5V | ADJ | 50μA | 1.4MHz | 97% |
| CXSD6130 | Built-in MOSFET Synchronous | PWM/PFM | 3.5~16V | ADJ | 0.4mA | 600KHz | 96% |
| CXSD6131 | Built-in MOSFET Synchronous | PWM/PFM | 3.5~16V | ADJ | 0.4mA | 600KHz | 96% |
| CXSD6132 | Built-in MOSFET Synchronous | PWM/PFM | 4.2~18V | ADJ | 0.8mA | 500KHz | 96% |
| CXSD6133B | Built-in MOSFET Synchronous | PWM/PFM | 4.7~20V | ADJ | 50μA | 500KHz | 95% |
| CXSD6134 | Built-in MOSFET Synchronous | PWM/PFM | 4.7~20V | ADJ | 50μA | 500KHz | 95% |
| CXSD6136 | Built-in MOSFET Synchronous | PWM/PFM | 4.5~20V | ADJ | 50μA | 410KHz | 95% |
| CXSD6137 | Built-in MOSFET Synchronous | PWM/PFM | 4.5~18V | ADJ | 80μA | 420KHz | 95% |
| CXSD6138 | Built-in MOSFET Synchronous | PWM/PFM | 4.5~18V | ADJ | 80μA | 420KHz | 95% |
| CXSD6139 | Built-in MOSFET Synchronous | PWM/PFM | 4.5~18V | ADJ | 80μA | 420KHz | 95% |
| CXSD6140 | Built-in MOSFET | PWM/PFM | 4~24V | ADJ | 0.6mA | 1.4MHz | 90% |
| CXSD6141 | Built-in MOSFET | PWM/PFM | 4~38V | ADJ | 0.6mA | 660KHz | 92% |
| CXSD6141B | Built-in MOSFET | PWM/PFM | 4~38V | ADJ | 0.6mA | 660KHz | 92% |
| CXSD6142 | Built-in MOSFET Synchronous | PWM/PFM | 4~40V | ADJ | 50μA | 2MHz | 93% |
| CXSD6143 | Built-in MOSFET | PWM/PFM | 4.2~40V | ADJ | 200μA | 1.8MHz | 90% |
| CXSD6144C | Built-in MOSFET Synchronous | PWM/PFM | 4.5~24V | ADJ | 50μA | 500KHz | 94% |
| CXSD6145B | Built-in MOSFET Synchronous | PWM | 5~20V | 0.923~15V ADJ | 60μA | 360KHz | 94% |
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