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CXSD6243 1.5MHz 2A Synchronous Step-Down Regulator high efficiency current mode synchronous buck PWM DC-DC regulator Built-in Soft Start
发表时间:2020-04-12浏览次数:302
CXSD6243 1.5MHz 2A Synchronous Step-Down Regulator high efficiency current mode synchronous buck PWM DC-DC regulator Built-in Soft Start
 

                          目录Quc嘉泰姆

   1.产品概述      2.产品特点      3.应用范围     4.技术规格书下载(PDF文档)Quc嘉泰姆

   5.产品封装      6.电路原理图     7.相关产品Quc嘉泰姆

一.产品概述Quc嘉泰姆


  The CXSD6243 is a high efficiency current mode synchronous buck PWM DC-DC regulator. The internal generated 0.6V precision feedback reference voltage is designed for low output voltage. Low RDS(ON) synchronous switch dramatically reduces conduction loss. To extend battery life for portable application, 100% duty cycle is supported for low-dropout operation. Shutdown mode also helps saving the current consumption. The CXSD6243 is packaged in MSOP-10L, DFN-10L and SOP-8L to reduce PCB space.Quc嘉泰姆

二.产品特点Quc嘉泰姆


˙Input Voltage Range: 2.5 to 5.5V               Quc嘉泰姆

˙Adjustable Output Voltage From 0.6V to VIN               Quc嘉泰姆

˙Precision Feedback Reference Voltage: 0.6V (±2%)               Quc嘉泰姆

˙Output Current: 2A(Max.)               Quc嘉泰姆

˙Duty Cycle: 0~100%               Quc嘉泰姆

˙Internal Fixed PWM Frequency: 1.5MHz               Quc嘉泰姆

˙Low Quiescent Current: 100μA               Quc嘉泰姆

˙No Schottky Diode Required               Quc嘉泰姆

˙Built-in Soft Start               Quc嘉泰姆

˙Current Mode Operation               Quc嘉泰姆

˙Over temperature Protection               Quc嘉泰姆

˙Package: MSOP-10L(EP), DFN-10L(EP), SOP-8L(EP)Quc嘉泰姆

三.应用范围Quc嘉泰姆


Cellular TelephoneQuc嘉泰姆

Wireless and DSL ModemsQuc嘉泰姆

Digital Still CamerasQuc嘉泰姆

Portable ProductsQuc嘉泰姆

MP3 Players   Quc嘉泰姆

四.技术规格书(产品PDF)Quc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Quc嘉泰姆

 QQ截图20160419174301.jpgQuc嘉泰姆

五.产品封装图Quc嘉泰姆


blob.png  Quc嘉泰姆

六.电路原理图Quc嘉泰姆


 blob.png Quc嘉泰姆

七.相关芯片选择指南Quc嘉泰姆


同步降压(Buck)转换器SYNCHRONOUS STEP-DOWN(BUCK)   CONVERTERS
Part No. VIN Load ISW Limit Feedback Switching Soft  Notes Package Status
(Min)  (Max)  Current (Typ) Voltage Frequency Start
(V) (A) (A) (V) (kHz)  
CXSD6240 2.5 5.5 0.8 1.25 0.6 1500 Internal Internal Comp SOT23-5 MP
CXSD6241 2.5 5.5 1 1.5 0.6 1500 Internal Internal Comp TSOT23-5L /SOT23-5L/DFN-6L MP
CXSD6242 2.5 5.5 1.5 2.35 0.6 1500 Internal Internal Comp SOP8E DFN10/MSOP10E MP
CXSD6243 2.5 5.5 2 3.35 0.6 1500 Internal Internal Comp SOP8E DFN10/MSOP10E MP
CXSD6244 2.5 5.5 3 5 0.6 1500 Internal Internal Comp SOP8E DFN10 MSOP10E MP
CXSD6245 2.5 5.5 1A*2 1.5 0.6 1500 Internal Dual Channel MSOP10E DFN10 MP
CXSD6246 2.5 5.5 1A*2 1.5 0.6 1500 Internal Dual Channel DFN12 MP
CXSD6247 2.5 5.5 1A*2 1.5 0.6 1500 Internal Dual Channel DFN10 MP
CXSD6248 2.5 5.5 2 3.3 0.6 1500 Internal Internal Comp SOP8E MP
CXSD6249 2.5 5.5 2 3.3 0.8 1000 Internal Internal Comp SOP8E MP
CXSD6250 2.5 5.5 3 5 0.8 1000 Internal Internal Comp SOP8E MP
CXSD6251 4.75 23 2 3.4 0.923 340 External External Comp SOP8 SOP8E MP
CXSD6252 4.75 23 3 3.4 0.923 340 External External Comp  SOP8E MP

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