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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-DC变换器提供两个通道独立输出2.7V~5.5V的输入电压CXSD62273开关频率高达2.25MHz双通道1A负载电流
同步降压型DC-DC变换器提供两个通道独立输出2.7V~5.5V的输入电压CXSD62273开关频率高达2.25MHz双通道1A负载电流
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CXSD62273是一款同步降压型DC-DC变换器,它可以提供两个通道独立输出。2.7V~5.5V的输入电压范围使得CXSD62273适用于智能手机,PDA以及其他便携设备应用。CXSD62273开关频率高达2.25MHz,允许使用小型化电感与电容。

同步降压型DC-DC变换器提供两个通道独立输出2.7V~5.5V的输入电压CXSD62273开关频率高达2.25MHz双通道1A负载电流
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1.产品概述       2.产品特点     tJV嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)tJV嘉泰姆

5.产品封装       6.电路原理图  tJV嘉泰姆

7.相关产品tJV嘉泰姆

   产品概述 返回TOPtJV嘉泰姆


     CXSD62273是一款同步降压型DC-DC变换器,它可以提供两个通道独立输出。2.7V~5.5V的输入电压范围使得CXSD62273适用于智能手机,PDA以及其他便携设备应用。CXSD62273开关频率高达2.25MHz,允许使用小型化电感与电容。典型情况下每个通道支持高达1A输出电流。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。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。CXSD62273内部软启动电路避免了浪涌电流。关断时,内部电阻可以对输出放电。The CXSD62273 is synchronous dual step-down DC-DC converters optimized for battery powered portable applications. It provides two independent output voltage rails powered by 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. With an input voltage range of 2.7V to 5.5V, the CXSD62273 is ideal to power portable applications like smart phones, PDAs and other portable equipment. The CXSD62273operates at 2.25MHz fixed switching frequency allowing the use of small inductors and capacitors to achieve a small solution size. Each output supports up to 1A load current, typical. The internal synchronous switch increases efficiency and eliminates the need for an external schottky diode. The CXSD62273has 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 CXSD62273has internal soft start and avoids inrush current during startup. When shutdown, internal resistor discharges the output capacitor.

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效率高达95%tJV嘉泰姆

• 2.25MHz开关频率tJV嘉泰姆

• 双通道1A负载电流tJV嘉泰姆

• 45μA静态电流tJV嘉泰姆

• 2.7V to 5.5V 输入电压范围tJV嘉泰姆

• 双通道180度反相工作tJV嘉泰姆

• 可调输出电压低至0.6VtJV嘉泰姆

• 无需肖特基二极管tJV嘉泰姆

短路保护过温保护tJV嘉泰姆

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• 3mm x 3mm TDFN-10封装tJV嘉泰姆

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

 High Efficiency Up to 95%tJV嘉泰姆

 2.25MHz Constant Switching FrequencytJV嘉泰姆

 Dual 1A Available Load CurrenttJV嘉泰姆

 45μATypical Quiescent CurrenttJV嘉泰姆

 2.7V to 5.5V Input Voltage RangetJV嘉泰姆

 2 Channel 180 Degree Out of Phase OperationtJV嘉泰姆

 Adjustable Output Voltage as Low as 0.6VtJV嘉泰姆

 No Schottky Diode RequiredtJV嘉泰姆

 Short Circuit and Thermal ProtectiontJV嘉泰姆

 Power Good OutputtJV嘉泰姆

 Internal Soft Start FunctiontJV嘉泰姆

 Available in 3mm′3mm TDFN-10 PackagetJV嘉泰姆

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

Halogen-FreetJV嘉泰姆

   应用范围 返回TOPtJV嘉泰姆


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 SSD ModuletJV嘉泰姆

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     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tJV嘉泰姆

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产品封装图 返回TOPtJV嘉泰姆


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电路原理图 返回TOPtJV嘉泰姆

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DC/DC开关稳压器 > 降压转换器/控制器tJV嘉泰姆

Part   tJV嘉泰姆

NumbertJV嘉泰姆

remarktJV嘉泰姆

Iout tJV嘉泰姆

(mA)tJV嘉泰姆

Vin tJV嘉泰姆

(V)tJV嘉泰姆

Vout tJV嘉泰姆

(V)tJV嘉泰姆

IQ tJV嘉泰姆

(μA)tJV嘉泰姆

FB tJV嘉泰姆

(V)tJV嘉泰姆

Freq. tJV嘉泰姆

(KHz)tJV嘉泰姆

Peak tJV嘉泰姆

Efficency tJV嘉泰姆

(%)tJV嘉泰姆

PackagetJV嘉泰姆

CXSD62255tJV嘉泰姆

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

6000tJV嘉泰姆

2.7~30tJV嘉泰姆

0.8~20tJV嘉泰姆

1000tJV嘉泰姆

0.8tJV嘉泰姆

100~1000tJV嘉泰姆

>95tJV嘉泰姆

TQFN-23LtJV嘉泰姆

CXSD62256tJV嘉泰姆

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

2000tJV嘉泰姆

4.5~30tJV嘉泰姆

0.92~20tJV嘉泰姆

1000tJV嘉泰姆

0.92tJV嘉泰姆

340tJV嘉泰姆

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3000tJV嘉泰姆

4.5~30tJV嘉泰姆

0.92~20tJV嘉泰姆

1000tJV嘉泰姆

0.92tJV嘉泰姆

340tJV嘉泰姆

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CXSD62258tJV嘉泰姆

CC/CV Mode Synchronous Step-Down ConvertertJV嘉泰姆

4000tJV嘉泰姆

8~36tJV嘉泰姆

0.6~12tJV嘉泰姆

1000tJV嘉泰姆

0.6tJV嘉泰姆

80~800tJV嘉泰姆

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CXSD62259tJV嘉泰姆

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

5000tJV嘉泰姆

8~36tJV嘉泰姆

0.6~12tJV嘉泰姆

1000tJV嘉泰姆

0.6tJV嘉泰姆

150tJV嘉泰姆

>95tJV嘉泰姆

MSOP-10tJV嘉泰姆

CXSD62260tJV嘉泰姆

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4.5~36tJV嘉泰姆

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1000tJV嘉泰姆

0.6tJV嘉泰姆

80~800tJV嘉泰姆

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80~800tJV嘉泰姆

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CXSD62262tJV嘉泰姆

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0.6tJV嘉泰姆

80~800tJV嘉泰姆

95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62263tJV嘉泰姆

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

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1.18tJV嘉泰姆

120tJV嘉泰姆

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1.18~12tJV嘉泰姆

500tJV嘉泰姆

1.18tJV嘉泰姆

120tJV嘉泰姆

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SOP-8tJV嘉泰姆

CXSD62265tJV嘉泰姆

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3000tJV嘉泰姆

4.75~40tJV嘉泰姆

0.92~15tJV嘉泰姆

550tJV嘉泰姆

0.92tJV嘉泰姆

200tJV嘉泰姆

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SOP-8(EP)tJV嘉泰姆

CXSD62266tJV嘉泰姆

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

800tJV嘉泰姆

2.5 ~ 5.5tJV嘉泰姆

0.6~VintJV嘉泰姆

270tJV嘉泰姆

0.6tJV嘉泰姆

1500tJV嘉泰姆

> 96tJV嘉泰姆

TSOT23-5,SOT23-5tJV嘉泰姆

CXSD62267tJV嘉泰姆

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3000tJV嘉泰姆

2.7~5.5tJV嘉泰姆

0.6~5tJV嘉泰姆

500tJV嘉泰姆

0.6tJV嘉泰姆

1000tJV嘉泰姆

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CXSD62268tJV嘉泰姆

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1000tJV嘉泰姆

2.7~5.5tJV嘉泰姆

0.6~3.3tJV嘉泰姆

30tJV嘉泰姆

0.6tJV嘉泰姆

2250tJV嘉泰姆

>94tJV嘉泰姆

TDFN-6tJV嘉泰姆

CXSD62269tJV嘉泰姆

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

1000tJV嘉泰姆

2.5 ~ 5.5tJV嘉泰姆

0.6~5tJV嘉泰姆

270tJV嘉泰姆

0.6tJV嘉泰姆

1500tJV嘉泰姆

> 96tJV嘉泰姆

TDFN-6,SOT23-5,TSOT23-5tJV嘉泰姆

CXSD62270tJV嘉泰姆

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5000tJV嘉泰姆

2.7~5.5tJV嘉泰姆

0.6~1.4tJV嘉泰姆

52tJV嘉泰姆

-tJV嘉泰姆

3000tJV嘉泰姆

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WCSP-20tJV嘉泰姆

CXSD62271tJV嘉泰姆

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

1000tJV嘉泰姆

2.7 ~ 5.5tJV嘉泰姆

0.6~VintJV嘉泰姆

30tJV嘉泰姆

0.6tJV嘉泰姆

2250tJV嘉泰姆

> 95tJV嘉泰姆

TDFN-6,TSOT23-5tJV嘉泰姆

CXSD62272tJV嘉泰姆

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1000 /1000tJV嘉泰姆

2.5 ~ 5.5tJV嘉泰姆

0.6~5tJV嘉泰姆

270tJV嘉泰姆

0.6tJV嘉泰姆

1500tJV嘉泰姆

> 96tJV嘉泰姆

TDFN-12tJV嘉泰姆

CXSD62273tJV嘉泰姆

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1000/1000tJV嘉泰姆

2.7 ~ 5.5tJV嘉泰姆

0.6~VintJV嘉泰姆

45tJV嘉泰姆

0.6tJV嘉泰姆

2250tJV嘉泰姆

> 95tJV嘉泰姆

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CXSD62274tJV嘉泰姆

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1000/1000tJV嘉泰姆

2.7 ~ 5.5tJV嘉泰姆

0.6~VintJV嘉泰姆

30tJV嘉泰姆

0.6tJV嘉泰姆

2250tJV嘉泰姆

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CXSD62275tJV嘉泰姆

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1200tJV嘉泰姆

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0.8~15tJV嘉泰姆

550tJV嘉泰姆

0.8tJV嘉泰姆

1200tJV嘉泰姆

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CXSD62276tJV嘉泰姆

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1500tJV嘉泰姆

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0.6~VintJV嘉泰姆

30tJV嘉泰姆

0.6tJV嘉泰姆

2250tJV嘉泰姆

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TDFN-6tJV嘉泰姆

CXSD62277tJV嘉泰姆

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1500tJV嘉泰姆

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0.92~15tJV嘉泰姆

550tJV嘉泰姆

0.92tJV嘉泰姆

200tJV嘉泰姆

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SOP-8tJV嘉泰姆

CXSD62278tJV嘉泰姆

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2000tJV嘉泰姆

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0.8~5tJV嘉泰姆

500tJV嘉泰姆

0.8tJV嘉泰姆

1000tJV嘉泰姆

> 96tJV嘉泰姆

SOP-8tJV嘉泰姆

CXSD62279tJV嘉泰姆

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

2000tJV嘉泰姆

4.5 ~ 30tJV嘉泰姆

0.923~20tJV嘉泰姆

450tJV嘉泰姆

0.923tJV嘉泰姆

340tJV嘉泰姆

>93tJV嘉泰姆

SOP-8tJV嘉泰姆

CXSD62280tJV嘉泰姆

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

2000tJV嘉泰姆

4.5~30tJV嘉泰姆

0.923~20tJV嘉泰姆

450tJV嘉泰姆

0.923tJV嘉泰姆

340tJV嘉泰姆

>95tJV嘉泰姆

SOP-8tJV嘉泰姆

CXSD62281tJV嘉泰姆

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

2000tJV嘉泰姆

4.5~30tJV嘉泰姆

0.923~20tJV嘉泰姆

450tJV嘉泰姆

0.923tJV嘉泰姆

340tJV嘉泰姆

>95tJV嘉泰姆

SOP-8tJV嘉泰姆

CXSD62282tJV嘉泰姆

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

3000tJV嘉泰姆

4. 5 ~ 30tJV嘉泰姆

0.8~12tJV嘉泰姆

450tJV嘉泰姆

0.8tJV嘉泰姆

500tJV嘉泰姆

> 95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62283tJV嘉泰姆

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

3000tJV嘉泰姆

4.5 ~ 28tJV嘉泰姆

0.8~24tJV嘉泰姆

1100tJV嘉泰姆

0.8tJV嘉泰姆

500tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62284tJV嘉泰姆

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

3000tJV嘉泰姆

4.5 ~ 28tJV嘉泰姆

0.8~24tJV嘉泰姆

1100tJV嘉泰姆

0.8tJV嘉泰姆

500tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62285tJV嘉泰姆

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

3000tJV嘉泰姆

4.5 ~ 28tJV嘉泰姆

0.8~24tJV嘉泰姆

1100tJV嘉泰姆

0.8tJV嘉泰姆

1000tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP),TDFN-8(EP)tJV嘉泰姆

CXSD62286tJV嘉泰姆

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

3000tJV嘉泰姆

4.75 ~ 40tJV嘉泰姆

0.92~15tJV嘉泰姆

550tJV嘉泰姆

0.92tJV嘉泰姆

200tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62287tJV嘉泰姆

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

3000tJV嘉泰姆

4.5 ~ 28tJV嘉泰姆

0.8~24tJV嘉泰姆

1100tJV嘉泰姆

0.8tJV嘉泰姆

1000tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62288tJV嘉泰姆

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

3000tJV嘉泰姆

4.5 ~ 30tJV嘉泰姆

0.925~12tJV嘉泰姆

450tJV嘉泰姆

0.925tJV嘉泰姆

340tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62289tJV嘉泰姆

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

3000tJV嘉泰姆

4.5~30tJV嘉泰姆

0.923~20tJV嘉泰姆

450tJV嘉泰姆

0.925tJV嘉泰姆

340tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62290tJV嘉泰姆

3.2A, Synchronous Step-Down ConvertertJV嘉泰姆

3200tJV嘉泰姆

2.7 ~ 5.5tJV嘉泰姆

0.8~5tJV嘉泰姆

500tJV嘉泰姆

0.8tJV嘉泰姆

1000tJV嘉泰姆

> 96tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62291tJV嘉泰姆

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

4000tJV嘉泰姆

4.5 ~ 21tJV嘉泰姆

0.8~15tJV嘉泰姆

900tJV嘉泰姆

0.808tJV嘉泰姆

500tJV嘉泰姆

>95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62292tJV嘉泰姆

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

5000tJV嘉泰姆

5.5 ~ 30tJV嘉泰姆

1.222~26tJV嘉泰姆

550tJV嘉泰姆

1.222tJV嘉泰姆

500tJV嘉泰姆

> 95tJV嘉泰姆

SOP-8(EP)tJV嘉泰姆

CXSD62293tJV嘉泰姆

6A Synchronous Step-Down ConvertertJV嘉泰姆

6000tJV嘉泰姆

3.3~5.5tJV嘉泰姆

0.6~2tJV嘉泰姆

1000tJV嘉泰姆

0.6~2tJV嘉泰姆

1200tJV嘉泰姆

>93tJV嘉泰姆

TQFN-20tJV嘉泰姆

CXSD62294tJV嘉泰姆

4A, Synchronous Step-Down ConvertertJV嘉泰姆

4000tJV嘉泰姆

2.7~5.5tJV嘉泰姆

0.6-~5tJV嘉泰姆

500tJV嘉泰姆

0.6tJV嘉泰姆

1000tJV嘉泰姆

96tJV嘉泰姆

TDFN-10tJV嘉泰姆

CXSD62295tJV嘉泰姆

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

2000tJV嘉泰姆

4.5~24tJV嘉泰姆

0.92~20tJV嘉泰姆

1000tJV嘉泰姆

0.92tJV嘉泰姆

340tJV嘉泰姆

94tJV嘉泰姆

SOP-8,TSOT23-8tJV嘉泰姆

CXSD62296tJV嘉泰姆

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

3000tJV嘉泰姆

4.5~24tJV嘉泰姆

0.92~20tJV嘉泰姆

1000tJV嘉泰姆

0.92tJV嘉泰姆

340tJV嘉泰姆

94tJV嘉泰姆

SOP-8tJV嘉泰姆

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