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首页 > 产品中心 > 电源管理 > DC降压型转换器 > Buck降压型芯片 >2.25MHz固定开关频率同步降压型DC变换器2.7V~5.5V的输入电压CXSD62271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
2.25MHz固定开关频率同步降压型DC变换器2.7V~5.5V的输入电压CXSD62271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
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CXSD62271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CXSD62271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。CXSD62271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

2.25MHz固定开关频率同步降压型DC变换器2.7V~5.5V的输入电压CXSD62271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
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目录

1.产品概述       2.产品特点     cGh嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)cGh嘉泰姆

5.产品封装       6.电路原理图  cGh嘉泰姆

7.相关产品cGh嘉泰姆

   产品概述 返回TOPcGh嘉泰姆


   CXSD62271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CXSD62271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。CXSD62271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。CXSD62271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。CXSD62271可选用TSOT23-5和TDFN-6两种封装。对于封装为TDFN-6的芯片,输出电流达1A。The CXSD62271 is synchronous step-down DC-DC converters optimized for battery powered portable applications. The 2.7V to 5.5V input voltage range makes CXSD62271 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 CXSD62271 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 CXSD62271 has internal soft start and avoids inrush current during startup. The CXSD62271 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 CXSD62271is available in TSOT23-5 and TDFN-6 package. For TDFN-6 package, it provides up to 1A output current.

   产品特点 返回TOPcGh嘉泰姆


 cGh嘉泰姆

效率高达95%cGh嘉泰姆

•2.25MHz固定开关频率cGh嘉泰姆

•1A负载电流cGh嘉泰姆

•30μA静态电流cGh嘉泰姆

•2.7V to 5.5V 输入电压范围cGh嘉泰姆

•可调输出电压低至0.6VcGh嘉泰姆

•无需肖特基二极管cGh嘉泰姆

•短路保护和过温保护cGh嘉泰姆

•内部软启动cGh嘉泰姆

•TSOT23-5和TDFN-6封装cGh嘉泰姆

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

 技术规格书(产品PDF) 返回TOP cGh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cGh嘉泰姆

 QQ截图20160419174301.jpgcGh嘉泰姆

产品封装图 返回TOPcGh嘉泰姆


acGh嘉泰姆

电路原理图 返回TOPcGh嘉泰姆

 cGh嘉泰姆


 cGh嘉泰姆

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 技术规格书(产品PDF) 返回TOP cGh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cGh嘉泰姆

 QQ截图20160419174301.jpgcGh嘉泰姆

产品封装图 返回TOPcGh嘉泰姆


acGh嘉泰姆

电路原理图 返回TOPcGh嘉泰姆

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6A, 30V, Synchronous Step-Down Converter with Programmable FrequencycGh嘉泰姆

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3000cGh嘉泰姆

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4000cGh嘉泰姆

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CC/CV Mode Synchronous Step-Down ConvertercGh嘉泰姆

4000cGh嘉泰姆

4.5~30cGh嘉泰姆

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5000cGh嘉泰姆

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120cGh嘉泰姆

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3000cGh嘉泰姆

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120cGh嘉泰姆

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3000cGh嘉泰姆

4.75~40cGh嘉泰姆

0.92~15cGh嘉泰姆

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200cGh嘉泰姆

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800cGh嘉泰姆

2.5 ~ 5.5cGh嘉泰姆

0.6~VincGh嘉泰姆

270cGh嘉泰姆

0.6cGh嘉泰姆

1500cGh嘉泰姆

> 96cGh嘉泰姆

TSOT23-5,SOT23-5cGh嘉泰姆

CXSD62267cGh嘉泰姆

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3000cGh嘉泰姆

2.7~5.5cGh嘉泰姆

0.6~5cGh嘉泰姆

500cGh嘉泰姆

0.6cGh嘉泰姆

1000cGh嘉泰姆

>96cGh嘉泰姆

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CXSD62268cGh嘉泰姆

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1000cGh嘉泰姆

2.7~5.5cGh嘉泰姆

0.6~3.3cGh嘉泰姆

30cGh嘉泰姆

0.6cGh嘉泰姆

2250cGh嘉泰姆

>94cGh嘉泰姆

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1000cGh嘉泰姆

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270cGh嘉泰姆

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TDFN-6,SOT23-5,TSOT23-5cGh嘉泰姆

CXSD62270cGh嘉泰姆

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5000cGh嘉泰姆

2.7~5.5cGh嘉泰姆

0.6~1.4cGh嘉泰姆

52cGh嘉泰姆

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3000cGh嘉泰姆

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1000cGh嘉泰姆

2.7 ~ 5.5cGh嘉泰姆

0.6~VincGh嘉泰姆

30cGh嘉泰姆

0.6cGh嘉泰姆

2250cGh嘉泰姆

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TDFN-6,TSOT23-5cGh嘉泰姆

CXSD62272cGh嘉泰姆

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1000 /1000cGh嘉泰姆

2.5 ~ 5.5cGh嘉泰姆

0.6~5cGh嘉泰姆

270cGh嘉泰姆

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1500cGh嘉泰姆

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CXSD62273cGh嘉泰姆

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1000/1000cGh嘉泰姆

2.7 ~ 5.5cGh嘉泰姆

0.6~VincGh嘉泰姆

45cGh嘉泰姆

0.6cGh嘉泰姆

2250cGh嘉泰姆

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TDFN-10cGh嘉泰姆

CXSD62274cGh嘉泰姆

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1000/1000cGh嘉泰姆

2.7 ~ 5.5cGh嘉泰姆

0.6~VincGh嘉泰姆

30cGh嘉泰姆

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2250cGh嘉泰姆

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1500cGh嘉泰姆

2.7 ~ 5.5cGh嘉泰姆

0.6~VincGh嘉泰姆

30cGh嘉泰姆

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2250cGh嘉泰姆

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200cGh嘉泰姆

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1000cGh嘉泰姆

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CXSD62279cGh嘉泰姆

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2000cGh嘉泰姆

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0.923cGh嘉泰姆

340cGh嘉泰姆

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CXSD62280cGh嘉泰姆

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

2000cGh嘉泰姆

4.5~30cGh嘉泰姆

0.923~20cGh嘉泰姆

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0.923cGh嘉泰姆

340cGh嘉泰姆

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SOP-8cGh嘉泰姆

CXSD62281cGh嘉泰姆

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

2000cGh嘉泰姆

4.5~30cGh嘉泰姆

0.923~20cGh嘉泰姆

450cGh嘉泰姆

0.923cGh嘉泰姆

340cGh嘉泰姆

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SOP-8cGh嘉泰姆

CXSD62282cGh嘉泰姆

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

3000cGh嘉泰姆

4. 5 ~ 30cGh嘉泰姆

0.8~12cGh嘉泰姆

450cGh嘉泰姆

0.8cGh嘉泰姆

500cGh嘉泰姆

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SOP-8(EP)cGh嘉泰姆

CXSD62283cGh嘉泰姆

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3000cGh嘉泰姆

4.5 ~ 28cGh嘉泰姆

0.8~24cGh嘉泰姆

1100cGh嘉泰姆

0.8cGh嘉泰姆

500cGh嘉泰姆

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SOP-8(EP)cGh嘉泰姆

CXSD62284cGh嘉泰姆

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3000cGh嘉泰姆

4.5 ~ 28cGh嘉泰姆

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1100cGh嘉泰姆

0.8cGh嘉泰姆

500cGh嘉泰姆

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CXSD62285cGh嘉泰姆

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3000cGh嘉泰姆

4.5 ~ 28cGh嘉泰姆

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1100cGh嘉泰姆

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1000cGh嘉泰姆

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SOP-8(EP),TDFN-8(EP)cGh嘉泰姆

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3000cGh嘉泰姆

4.75 ~ 40cGh嘉泰姆

0.92~15cGh嘉泰姆

550cGh嘉泰姆

0.92cGh嘉泰姆

200cGh嘉泰姆

>95cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62287cGh嘉泰姆

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

3000cGh嘉泰姆

4.5 ~ 28cGh嘉泰姆

0.8~24cGh嘉泰姆

1100cGh嘉泰姆

0.8cGh嘉泰姆

1000cGh嘉泰姆

>95cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62288cGh嘉泰姆

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

3000cGh嘉泰姆

4.5 ~ 30cGh嘉泰姆

0.925~12cGh嘉泰姆

450cGh嘉泰姆

0.925cGh嘉泰姆

340cGh嘉泰姆

>95cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62289cGh嘉泰姆

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

3000cGh嘉泰姆

4.5~30cGh嘉泰姆

0.923~20cGh嘉泰姆

450cGh嘉泰姆

0.925cGh嘉泰姆

340cGh嘉泰姆

>95cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62290cGh嘉泰姆

3.2A, Synchronous Step-Down ConvertercGh嘉泰姆

3200cGh嘉泰姆

2.7 ~ 5.5cGh嘉泰姆

0.8~5cGh嘉泰姆

500cGh嘉泰姆

0.8cGh嘉泰姆

1000cGh嘉泰姆

> 96cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62291cGh嘉泰姆

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

4000cGh嘉泰姆

4.5 ~ 21cGh嘉泰姆

0.8~15cGh嘉泰姆

900cGh嘉泰姆

0.808cGh嘉泰姆

500cGh嘉泰姆

>95cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62292cGh嘉泰姆

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

5000cGh嘉泰姆

5.5 ~ 30cGh嘉泰姆

1.222~26cGh嘉泰姆

550cGh嘉泰姆

1.222cGh嘉泰姆

500cGh嘉泰姆

> 95cGh嘉泰姆

SOP-8(EP)cGh嘉泰姆

CXSD62293cGh嘉泰姆

6A Synchronous Step-Down ConvertercGh嘉泰姆

6000cGh嘉泰姆

3.3~5.5cGh嘉泰姆

0.6~2cGh嘉泰姆

1000cGh嘉泰姆

0.6~2cGh嘉泰姆

1200cGh嘉泰姆

>93cGh嘉泰姆

TQFN-20cGh嘉泰姆

CXSD62294cGh嘉泰姆

4A, Synchronous Step-Down ConvertercGh嘉泰姆

4000cGh嘉泰姆

2.7~5.5cGh嘉泰姆

0.6-~5cGh嘉泰姆

500cGh嘉泰姆

0.6cGh嘉泰姆

1000cGh嘉泰姆

96cGh嘉泰姆

TDFN-10cGh嘉泰姆

CXSD62295cGh嘉泰姆

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

2000cGh嘉泰姆

4.5~24cGh嘉泰姆

0.92~20cGh嘉泰姆

1000cGh嘉泰姆

0.92cGh嘉泰姆

340cGh嘉泰姆

94cGh嘉泰姆

SOP-8,TSOT23-8cGh嘉泰姆

CXSD62296cGh嘉泰姆

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

3000cGh嘉泰姆

4.5~24cGh嘉泰姆

0.92~20cGh嘉泰姆

1000cGh嘉泰姆

0.92cGh嘉泰姆

340cGh嘉泰姆

94cGh嘉泰姆

SOP-8cGh嘉泰姆

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