CXSD62291

CXSD62291是一款500KHz固定频率同步电流模降压型DC-DC变换器。芯片集成了110mΩ主开关和30mΩ同步整流开关,在4.5V~21V的输入范围内能够提供高达4A的负载电流。内部集成了同步整流开关,不再需要外接肖特基二极管,提高了效率。电流模控制提供了快速的瞬态响应和周期性的峰值电流限制能力。

4A的负载电流500KHz固定频率同步电流模降压型DC-DC变换器CXSD62291内部频率补偿软启动同步整流开关

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目录

1.产品概述       2.产品特点     X2h嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)X2h嘉泰姆

5.产品封装       6.电路原理图  X2h嘉泰姆

7.相关产品X2h嘉泰姆

   产品概述 返回TOPX2h嘉泰姆


       CXSD62291是一款500KHz固定频率同步电流模降压型DC-DC变换器。芯片集成了110mΩ主开关和30mΩ同步整流开关,在4.5V~21V的输入范围内能够提供高达4A的负载电流。内部集成了同步整流开关,不再需要外接肖特基二极管,提高了效率。电流模控制提供了快速的瞬态响应和周期性的峰值电流限制能力。CXSD62291具有短路和过温等保护机制,以确保芯片工作的安全性。芯片在关断模式下的静态电流可低至1μA以下。CXSD62291采用带有裸露底盘的SOP-8封装。The CXSD62291 is a 500KHz fixed frequency synchronous current mode buck regulator. The device integrates both 110mΩ high-side switch and 30mΩ low-side switch that provide 4A of continuous load current over a wide operating input voltage of 4.5V to 21V. The internal synchronous power switch increases efficiency and eliminates the need for an external Schottky diode. Current mode control provides fast transient response and cycle-by-cycle current limit. The CXSD62291 features short circuit and thermal protection circuits to increase system reliability. In shutdown mode, the supply current drops below 1μA. The CXSD62291 is available in SOP-8 package with an exposed pad.

   产品特点 返回TOPX2h嘉泰姆


 X2h嘉泰姆

• 高达4A的输出电流X2h嘉泰姆

• 100ns最小导通时间X2h嘉泰姆

• 集成的110mΩ主开关X2h嘉泰姆

• 集成的30mΩ同步整流开关X2h嘉泰姆

• 输入电压范围:4.5V至21VX2h嘉泰姆

• 0.8V以上可调输出电压X2h嘉泰姆

• 固定500KHz开关频率X2h嘉泰姆

• 可同步300KHz到2MHz外部时钟X2h嘉泰姆

• 芯片内部频率补偿X2h嘉泰姆

• 芯片内部软启动X2h嘉泰姆

• 关断电流小于1μAX2h嘉泰姆

过温保护和过流保护X2h嘉泰姆

• 输入欠压保护X2h嘉泰姆

• SOP-8(EP)封装X2h嘉泰姆

• 符合RoHS规范及Pb-Free Halogen-FreeX2h嘉泰姆

 4A Continuous Output CurrentX2h嘉泰姆

 100ns Minimum On TimeX2h嘉泰姆

 Integrated 110m High-side SwitchX2h嘉泰姆

 Integrated 30m Low-side SwitchX2h嘉泰姆

 Wide 4.5V to 21V Operating Input RangeX2h嘉泰姆

 Output Adjustable from 0.8VX2h嘉泰姆

 Fixed 500KHz Switching FrequencyX2h嘉泰姆

 Sync from 300KHz to 2MHz External ClockX2h嘉泰姆

 Internal CompensationX2h嘉泰姆

 Internal Soft-StartX2h嘉泰姆

<1μA Shutdown CurrentX2h嘉泰姆

 Thermal Shutdown and Over current ProtectionX2h嘉泰姆

 Input Under Voltage LockoutX2h嘉泰姆

 Available in SOP-8 (EP) PackageX2h嘉泰姆

 RoHS Compliant and 100% Lead(Pb)-FreeX2h嘉泰姆

Halogen-FreeX2h嘉泰姆

   应用范围 返回TOPX2h嘉泰姆


 X2h嘉泰姆

• 分布式电源X2h嘉泰姆

• 网络系统X2h嘉泰姆

• 笔记本系统及I/O电源X2h嘉泰姆

• 平板电视及显示器X2h嘉泰姆

• 个人摄像机X2h嘉泰姆

• 数字机顶盒X2h嘉泰姆

 Distributed Power SystemsX2h嘉泰姆

 Networking SystemsX2h嘉泰姆

 Notebook Systems and I/O PowerX2h嘉泰姆

 Flat Panel Television and MonitorsX2h嘉泰姆

 Personal Video RecordersX2h嘉泰姆

 Digital Set Top BoxesX2h嘉泰姆

   技术规格书(产品PDF) 返回TOP X2h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X2h嘉泰姆

 QQ截图20160419174301.jpgX2h嘉泰姆

产品封装图 返回TOPX2h嘉泰姆


aX2h嘉泰姆

电路原理图 返回TOPX2h嘉泰姆

 X2h嘉泰姆


 X2h嘉泰姆

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 X2h嘉泰姆

DC/DC开关稳压器 > 降压转换器/控制器X2h嘉泰姆

Part   X2h嘉泰姆

NumberX2h嘉泰姆

remarkX2h嘉泰姆

Iout X2h嘉泰姆

(mA)X2h嘉泰姆

Vin X2h嘉泰姆

(V)X2h嘉泰姆

Vout X2h嘉泰姆

(V)X2h嘉泰姆

IQ X2h嘉泰姆

(μA)X2h嘉泰姆

FB X2h嘉泰姆

(V)X2h嘉泰姆

Freq. X2h嘉泰姆

(KHz)X2h嘉泰姆

Peak X2h嘉泰姆

Efficency X2h嘉泰姆

(%)X2h嘉泰姆

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0.8~20X2h嘉泰姆

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0.8X2h嘉泰姆

100~1000X2h嘉泰姆

>95X2h嘉泰姆

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2000X2h嘉泰姆

4.5~30X2h嘉泰姆

0.92~20X2h嘉泰姆

1000X2h嘉泰姆

0.92X2h嘉泰姆

340X2h嘉泰姆

>94X2h嘉泰姆

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4.5~30X2h嘉泰姆

0.92~20X2h嘉泰姆

1000X2h嘉泰姆

0.92X2h嘉泰姆

340X2h嘉泰姆

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SOP-8(EP)X2h嘉泰姆

CXSD62258X2h嘉泰姆

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4000X2h嘉泰姆

8~36X2h嘉泰姆

0.6~12X2h嘉泰姆

1000X2h嘉泰姆

0.6X2h嘉泰姆

80~800X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62259X2h嘉泰姆

Dual-Channel CC/CV Mode Synchronous Step-Down ControllerX2h嘉泰姆

5000X2h嘉泰姆

8~36X2h嘉泰姆

0.6~12X2h嘉泰姆

1000X2h嘉泰姆

0.6X2h嘉泰姆

150X2h嘉泰姆

>95X2h嘉泰姆

MSOP-10X2h嘉泰姆

CXSD62260X2h嘉泰姆

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4000X2h嘉泰姆

4.5~36X2h嘉泰姆

0.6~20X2h嘉泰姆

1000X2h嘉泰姆

0.6X2h嘉泰姆

80~800X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62261X2h嘉泰姆

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4000X2h嘉泰姆

4.5~30X2h嘉泰姆

0.6~12X2h嘉泰姆

1000X2h嘉泰姆

0.6X2h嘉泰姆

80~800X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62262X2h嘉泰姆

Dual-Channel CC/CV Mode Synchronous Step-Down ConverterX2h嘉泰姆

5000X2h嘉泰姆

8~36X2h嘉泰姆

0.6~12X2h嘉泰姆

1000X2h嘉泰姆

0.6X2h嘉泰姆

80~800X2h嘉泰姆

95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62263X2h嘉泰姆

5A, CC/CV Mode Step-Down ConverterX2h嘉泰姆

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8~36X2h嘉泰姆

1.18~12X2h嘉泰姆

500X2h嘉泰姆

1.18X2h嘉泰姆

120X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62264X2h嘉泰姆

CC/CV Mode Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

8~36X2h嘉泰姆

1.18~12X2h嘉泰姆

500X2h嘉泰姆

1.18X2h嘉泰姆

120X2h嘉泰姆

>95X2h嘉泰姆

SOP-8X2h嘉泰姆

CXSD62265X2h嘉泰姆

3A,40V,200KHz Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.75~40X2h嘉泰姆

0.92~15X2h嘉泰姆

550X2h嘉泰姆

0.92X2h嘉泰姆

200X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62266X2h嘉泰姆

1.5MHz, 800mA Synchronous Step-Down Converter with Soft StartX2h嘉泰姆

800X2h嘉泰姆

2.5 ~ 5.5X2h嘉泰姆

0.6~VinX2h嘉泰姆

270X2h嘉泰姆

0.6X2h嘉泰姆

1500X2h嘉泰姆

> 96X2h嘉泰姆

TSOT23-5,SOT23-5X2h嘉泰姆

CXSD62267X2h嘉泰姆

3A, Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

2.7~5.5X2h嘉泰姆

0.6~5X2h嘉泰姆

500X2h嘉泰姆

0.6X2h嘉泰姆

1000X2h嘉泰姆

>96X2h嘉泰姆

TDFN-10,SOP-8(EP)X2h嘉泰姆

CXSD62268X2h嘉泰姆

1A, 2.25MHz Synchronous Step-Down DC/DC RegulatorX2h嘉泰姆

1000X2h嘉泰姆

2.7~5.5X2h嘉泰姆

0.6~3.3X2h嘉泰姆

30X2h嘉泰姆

0.6X2h嘉泰姆

2250X2h嘉泰姆

>94X2h嘉泰姆

TDFN-6X2h嘉泰姆

CXSD62269X2h嘉泰姆

1.5MHz,1A Synchronous Step-Down Converter with Soft StartX2h嘉泰姆

1000X2h嘉泰姆

2.5 ~ 5.5X2h嘉泰姆

0.6~5X2h嘉泰姆

270X2h嘉泰姆

0.6X2h嘉泰姆

1500X2h嘉泰姆

> 96X2h嘉泰姆

TDFN-6,SOT23-5,TSOT23-5X2h嘉泰姆

CXSD62270X2h嘉泰姆

5A, 3MHz Synchronous Step-Down DC-DC with I2C Compatible InterfaceX2h嘉泰姆

5000X2h嘉泰姆

2.7~5.5X2h嘉泰姆

0.6~1.4X2h嘉泰姆

52X2h嘉泰姆

-X2h嘉泰姆

3000X2h嘉泰姆

-X2h嘉泰姆

WCSP-20X2h嘉泰姆

CXSD62271X2h嘉泰姆

1A, 2.25MHz Synchronous Step-Down DC/DC RegulatorX2h嘉泰姆

1000X2h嘉泰姆

2.7 ~ 5.5X2h嘉泰姆

0.6~VinX2h嘉泰姆

30X2h嘉泰姆

0.6X2h嘉泰姆

2250X2h嘉泰姆

> 95X2h嘉泰姆

TDFN-6,TSOT23-5X2h嘉泰姆

CXSD62272X2h嘉泰姆

Dual High-Efficiency 1.5MHz 1A PWM Step-Down DC-DC ConverterX2h嘉泰姆

1000 /1000X2h嘉泰姆

2.5 ~ 5.5X2h嘉泰姆

0.6~5X2h嘉泰姆

270X2h嘉泰姆

0.6X2h嘉泰姆

1500X2h嘉泰姆

> 96X2h嘉泰姆

TDFN-12X2h嘉泰姆

CXSD62273X2h嘉泰姆

Dual 1A, 2.25MHz Synchronous Step-Down DC/DC RegulatorX2h嘉泰姆

1000/1000X2h嘉泰姆

2.7 ~ 5.5X2h嘉泰姆

0.6~VinX2h嘉泰姆

45X2h嘉泰姆

0.6X2h嘉泰姆

2250X2h嘉泰姆

> 95X2h嘉泰姆

TDFN-10X2h嘉泰姆

CXSD62274X2h嘉泰姆

Dual 1A, 2.25MHz Synchronous Step-Down DC/DC RegulatorX2h嘉泰姆

1000/1000X2h嘉泰姆

2.7 ~ 5.5X2h嘉泰姆

0.6~VinX2h嘉泰姆

30X2h嘉泰姆

0.6X2h嘉泰姆

2250X2h嘉泰姆

> 95X2h嘉泰姆

TDFN-12X2h嘉泰姆

CXSD62275X2h嘉泰姆

1.2A,30V,1.2MHz Step-Down ConverterX2h嘉泰姆

1200X2h嘉泰姆

4.5 ~ 30X2h嘉泰姆

0.8~15X2h嘉泰姆

550X2h嘉泰姆

0.8X2h嘉泰姆

1200X2h嘉泰姆

> 92X2h嘉泰姆

SOT23-6X2h嘉泰姆

CXSD62276X2h嘉泰姆

1.5A, 2.25MHz Synchronous Step-Down DC/DC RegulatorX2h嘉泰姆

1500X2h嘉泰姆

2.7 ~ 5.5X2h嘉泰姆

0.6~VinX2h嘉泰姆

30X2h嘉泰姆

0.6X2h嘉泰姆

2250X2h嘉泰姆

> 95X2h嘉泰姆

TDFN-6X2h嘉泰姆

CXSD62277X2h嘉泰姆

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1500X2h嘉泰姆

4.75 ~ 40X2h嘉泰姆

0.92~15X2h嘉泰姆

550X2h嘉泰姆

0.92X2h嘉泰姆

200X2h嘉泰姆

> 95X2h嘉泰姆

SOP-8X2h嘉泰姆

CXSD62278X2h嘉泰姆

2A, Synchronous Step-Down ConverterX2h嘉泰姆

2000X2h嘉泰姆

2.7 ~ 5.5X2h嘉泰姆

0.8~5X2h嘉泰姆

500X2h嘉泰姆

0.8X2h嘉泰姆

1000X2h嘉泰姆

> 96X2h嘉泰姆

SOP-8X2h嘉泰姆

CXSD62279X2h嘉泰姆

2A, 30V, 340KHz SynchronousStep-Down ConverterX2h嘉泰姆

2000X2h嘉泰姆

4.5 ~ 30X2h嘉泰姆

0.923~20X2h嘉泰姆

450X2h嘉泰姆

0.923X2h嘉泰姆

340X2h嘉泰姆

>93X2h嘉泰姆

SOP-8X2h嘉泰姆

CXSD62280X2h嘉泰姆

2A, 30V, 340KHz Synchronous Step-Down ConverterX2h嘉泰姆

2000X2h嘉泰姆

4.5~30X2h嘉泰姆

0.923~20X2h嘉泰姆

450X2h嘉泰姆

0.923X2h嘉泰姆

340X2h嘉泰姆

>95X2h嘉泰姆

SOP-8X2h嘉泰姆

CXSD62281X2h嘉泰姆

2A, 30V, 340KHz Synchronous Step-Down ConverterX2h嘉泰姆

2000X2h嘉泰姆

4.5~30X2h嘉泰姆

0.923~20X2h嘉泰姆

450X2h嘉泰姆

0.923X2h嘉泰姆

340X2h嘉泰姆

>95X2h嘉泰姆

SOP-8X2h嘉泰姆

CXSD62282X2h嘉泰姆

3A,30V,500KHz Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4. 5 ~ 30X2h嘉泰姆

0.8~12X2h嘉泰姆

450X2h嘉泰姆

0.8X2h嘉泰姆

500X2h嘉泰姆

> 95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62283X2h嘉泰姆

3A, 28V, 500kHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5 ~ 28X2h嘉泰姆

0.8~24X2h嘉泰姆

1100X2h嘉泰姆

0.8X2h嘉泰姆

500X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62284X2h嘉泰姆

3A, 28V, 500kHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5 ~ 28X2h嘉泰姆

0.8~24X2h嘉泰姆

1100X2h嘉泰姆

0.8X2h嘉泰姆

500X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62285X2h嘉泰姆

3A, 28V, 1MHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5 ~ 28X2h嘉泰姆

0.8~24X2h嘉泰姆

1100X2h嘉泰姆

0.8X2h嘉泰姆

1000X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP),TDFN-8(EP)X2h嘉泰姆

CXSD62286X2h嘉泰姆

3A,40V,200KHz Step-Down ConverterrX2h嘉泰姆

3000X2h嘉泰姆

4.75 ~ 40X2h嘉泰姆

0.92~15X2h嘉泰姆

550X2h嘉泰姆

0.92X2h嘉泰姆

200X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62287X2h嘉泰姆

3A, 28V, 1MHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5 ~ 28X2h嘉泰姆

0.8~24X2h嘉泰姆

1100X2h嘉泰姆

0.8X2h嘉泰姆

1000X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62288X2h嘉泰姆

3A, 30V, 340KHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5 ~ 30X2h嘉泰姆

0.925~12X2h嘉泰姆

450X2h嘉泰姆

0.925X2h嘉泰姆

340X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62289X2h嘉泰姆

3A, 30V, 340KHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5~30X2h嘉泰姆

0.923~20X2h嘉泰姆

450X2h嘉泰姆

0.925X2h嘉泰姆

340X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62290X2h嘉泰姆

3.2A, Synchronous Step-Down ConverterX2h嘉泰姆

3200X2h嘉泰姆

2.7 ~ 5.5X2h嘉泰姆

0.8~5X2h嘉泰姆

500X2h嘉泰姆

0.8X2h嘉泰姆

1000X2h嘉泰姆

> 96X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62291X2h嘉泰姆

4A, 21V, 500KHz Synchronous Step-Down ConverterX2h嘉泰姆

4000X2h嘉泰姆

4.5 ~ 21X2h嘉泰姆

0.8~15X2h嘉泰姆

900X2h嘉泰姆

0.808X2h嘉泰姆

500X2h嘉泰姆

>95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62292X2h嘉泰姆

5A,30V,500KHz Step-Down ConverterX2h嘉泰姆

5000X2h嘉泰姆

5.5 ~ 30X2h嘉泰姆

1.222~26X2h嘉泰姆

550X2h嘉泰姆

1.222X2h嘉泰姆

500X2h嘉泰姆

> 95X2h嘉泰姆

SOP-8(EP)X2h嘉泰姆

CXSD62293X2h嘉泰姆

6A Synchronous Step-Down ConverterX2h嘉泰姆

6000X2h嘉泰姆

3.3~5.5X2h嘉泰姆

0.6~2X2h嘉泰姆

1000X2h嘉泰姆

0.6~2X2h嘉泰姆

1200X2h嘉泰姆

>93X2h嘉泰姆

TQFN-20X2h嘉泰姆

CXSD62294X2h嘉泰姆

4A, Synchronous Step-Down ConverterX2h嘉泰姆

4000X2h嘉泰姆

2.7~5.5X2h嘉泰姆

0.6-~5X2h嘉泰姆

500X2h嘉泰姆

0.6X2h嘉泰姆

1000X2h嘉泰姆

96X2h嘉泰姆

TDFN-10X2h嘉泰姆

CXSD62295X2h嘉泰姆

2A, 24V, 340KHz Synchronous Step-Down ConverterX2h嘉泰姆

2000X2h嘉泰姆

4.5~24X2h嘉泰姆

0.92~20X2h嘉泰姆

1000X2h嘉泰姆

0.92X2h嘉泰姆

340X2h嘉泰姆

94X2h嘉泰姆

SOP-8,TSOT23-8X2h嘉泰姆

CXSD62296X2h嘉泰姆

3A, 24V, 340KHz Synchronous Step-Down ConverterX2h嘉泰姆

3000X2h嘉泰姆

4.5~24X2h嘉泰姆

0.92~20X2h嘉泰姆

1000X2h嘉泰姆

0.92X2h嘉泰姆

340X2h嘉泰姆

94X2h嘉泰姆

SOP-8X2h嘉泰姆

◀ 上一篇:3.2A的输出电流1MHz固定频率电流模同步降压型直流CXSD62290输入电压2.7V到5.5V PWM模式使得输出电压纹波非常低

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