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首页 > 产品中心 > 电源管理 > DC降压型芯片 > Buck降压型芯片 >同步降压型DC变换器CXSD62276输入电压2.7V~5.5V固定开关频率2.25MHz PFM/PWM模式极低输出电压纹波
同步降压型DC变换器CXSD62276输入电压2.7V~5.5V固定开关频率2.25MHz PFM/PWM模式极低输出电压纹波
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CXSD62276是一款应用于电池供电便携设备中的同步降压型DC-DC变换器。2.7V~5.5V的输入电压范围使得CXSD62276成为单节锂(离子)电池、三节镍氢电池或三节镍镉电池供电应用的理想选择.CXSD62276工作在2.25MHz固定开关频率,允许使用小型化电感与电容,节省面积。片内集成的同步开关提高了转换效率,不需要外部肖特基二极管。

同步降压型DC变换器CXSD62276输入电压2.7V~5.5V固定开关频率2.25MHz PFM/PWM模式极低输出电压纹波
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1.产品概述       2.产品特点     PJU嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)PJU嘉泰姆

5.产品封装       6.电路原理图  PJU嘉泰姆

7.相关产品PJU嘉泰姆

   产品概述 返回TOPPJU嘉泰姆


      CXSD62276是一款应用于电池供电便携设备中的同步降压型DC-DC变换器。2.7V~5.5V的输入电压范围使得CXSD62276成为单节锂(离子)电池、三节镍氢电池或三节镍镉电池供电应用的理想选择.CXSD62276工作在2.25MHz固定开关频率,允许使用小型化电感与电容,节省面积。片内集成的同步开关提高了转换效率,不需要外部肖特基二极管。CXSD62276内置软启动功能,避免了启动过程中的浪涌电流。用户可选择强制PWM或者PFM/PWM模式工作:强制PWM模式提供极低的输出电压纹波,而PFM模式用于在轻负载时提高效率CXSD62276选用TDFN-6封装,输出电流高达1.5A。The CXSD62276 is synchronous step-down DC-DC converters optimized for battery powered portable applications. The 2.7V to 5.5V input voltage range makes CXSD62276 ideal for powering portable equipment that runs from 1-cell Li-Ion or 3-cell NiMH/NiCD batteries. The device is also suitable to operate from a standard 3.3V or 5V voltage rail. The CXSD62276 operates at 2.25MHz fixed switching frequency allowing the use of small inductors and capacitors to achieve a small solution size. The internal synchronous switch increases efficiency and eliminates the need for an external schottky diode. The CXSD62276 has internal soft start and avoids inrush current during startup. The CXSD62276 has a user selectable mode of forced PWM and PFM/PWM mode. The forced PWM mode operation provides the lowest ripple noise and the PFM mode operation provides high efficiency at light loads. The CXSD62276is available in TDFN-6 package and it provides up to 1.5A output current.

   产品特点 返回TOPPJU嘉泰姆


 PJU嘉泰姆

效率高达95%PJU嘉泰姆

• 2.25MHz固定开关频率PJU嘉泰姆

• 1.5A负载电流PJU嘉泰姆

• 30μA静态电流PJU嘉泰姆

• 2.7V to 5.5V 输入电压范围PJU嘉泰姆

• 可调输出电压低至0.6VPJU嘉泰姆

• 无需肖特基二极管PJU嘉泰姆

短路保护过温保护PJU嘉泰姆

• 内部软启动PJU嘉泰姆

• TDFN-6封装PJU嘉泰姆

• 符合RoHS规范、Lead(Pb)-Free、Halogen-FreePJU嘉泰姆

 High Efficiency Up to 95%PJU嘉泰姆

 2.25MHz Constant Switching FrequencyPJU嘉泰姆

 1.5A Available Load CurrentPJU嘉泰姆

 30μATypical Quiescent CurrentPJU嘉泰姆

 2.7V to 5.5V Input Voltage RangePJU嘉泰姆

 Adjustable Output Voltage as Low as 0.6VPJU嘉泰姆

 No Schottky Diode RequiredPJU嘉泰姆

 Short Circuit and Thermal ProtectionPJU嘉泰姆

 Internal Soft Start FunctionPJU嘉泰姆

 Available in TDFN-6 PackagePJU嘉泰姆

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

Halogen-FreePJU嘉泰姆

   应用范围 返回TOPPJU嘉泰姆


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 Plug-in DC/DC Modules for Routers andPJU嘉泰姆

SwitchersPJU嘉泰姆

   技术规格书(产品PDF) 返回TOP PJU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PJU嘉泰姆

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产品封装图 返回TOPPJU嘉泰姆


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电路原理图 返回TOPPJU嘉泰姆

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1000PJU嘉泰姆

>95PJU嘉泰姆

SOP-8(EP)PJU嘉泰姆

CXSD62288PJU嘉泰姆

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

3000PJU嘉泰姆

4.5 ~ 30PJU嘉泰姆

0.925~12PJU嘉泰姆

450PJU嘉泰姆

0.925PJU嘉泰姆

340PJU嘉泰姆

>95PJU嘉泰姆

SOP-8(EP)PJU嘉泰姆

CXSD62289PJU嘉泰姆

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

3000PJU嘉泰姆

4.5~30PJU嘉泰姆

0.923~20PJU嘉泰姆

450PJU嘉泰姆

0.925PJU嘉泰姆

340PJU嘉泰姆

>95PJU嘉泰姆

SOP-8(EP)PJU嘉泰姆

CXSD62290PJU嘉泰姆

3.2A, Synchronous Step-Down ConverterPJU嘉泰姆

3200PJU嘉泰姆

2.7 ~ 5.5PJU嘉泰姆

0.8~5PJU嘉泰姆

500PJU嘉泰姆

0.8PJU嘉泰姆

1000PJU嘉泰姆

> 96PJU嘉泰姆

SOP-8(EP)PJU嘉泰姆

CXSD62291PJU嘉泰姆

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

4000PJU嘉泰姆

4.5 ~ 21PJU嘉泰姆

0.8~15PJU嘉泰姆

900PJU嘉泰姆

0.808PJU嘉泰姆

500PJU嘉泰姆

>95PJU嘉泰姆

SOP-8(EP)PJU嘉泰姆

CXSD62292PJU嘉泰姆

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

5000PJU嘉泰姆

5.5 ~ 30PJU嘉泰姆

1.222~26PJU嘉泰姆

550PJU嘉泰姆

1.222PJU嘉泰姆

500PJU嘉泰姆

> 95PJU嘉泰姆

SOP-8(EP)PJU嘉泰姆

CXSD62293PJU嘉泰姆

6A Synchronous Step-Down ConverterPJU嘉泰姆

6000PJU嘉泰姆

3.3~5.5PJU嘉泰姆

0.6~2PJU嘉泰姆

1000PJU嘉泰姆

0.6~2PJU嘉泰姆

1200PJU嘉泰姆

>93PJU嘉泰姆

TQFN-20PJU嘉泰姆

CXSD62294PJU嘉泰姆

4A, Synchronous Step-Down ConverterPJU嘉泰姆

4000PJU嘉泰姆

2.7~5.5PJU嘉泰姆

0.6-~5PJU嘉泰姆

500PJU嘉泰姆

0.6PJU嘉泰姆

1000PJU嘉泰姆

96PJU嘉泰姆

TDFN-10PJU嘉泰姆

CXSD62295PJU嘉泰姆

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

2000PJU嘉泰姆

4.5~24PJU嘉泰姆

0.92~20PJU嘉泰姆

1000PJU嘉泰姆

0.92PJU嘉泰姆

340PJU嘉泰姆

94PJU嘉泰姆

SOP-8,TSOT23-8PJU嘉泰姆

CXSD62296PJU嘉泰姆

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

3000PJU嘉泰姆

4.5~24PJU嘉泰姆

0.92~20PJU嘉泰姆

1000PJU嘉泰姆

0.92PJU嘉泰姆

340PJU嘉泰姆

94PJU嘉泰姆

SOP-8PJU嘉泰姆

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