4A负载电流同步的恒压/恒流模式的降压型DC-DC变换器CXSD62260 80KHz~800KHz的可选择开关频率输入电压4.5V～36V

4A负载电流同步的恒压/恒流模式的降压型DC-DC变换器CXSD62260 80KHz~800KHz的可选择开关频率输入电压4.5V～36V

产品型号：CXSD62260
产品类型：DC-DC转换器
产品系列： Buck降压型芯片
产品状态：量产
浏览次数：37 次
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产品简介

CXSD62260是一款同步的恒压/恒流模式的降压型DC-DC变换器，可以提供高达4A的负载电流，具有很好的线性和负载调整率。恒压/恒流模式都可以在宽输入电压范围4.5V～36V内稳定工作，CXSD62260可通过外部电阻调节来实现可编程的走线电压补偿，外部关断功能可以通过把COMP引脚电压下拉到0.14v以下来实现CXSD62260具有短路保护、过温等保护机制和间接的周期性电流限制，以确保芯片工作的安全性。

技术参数

输入电压范围 (VIN)≤ 4.5~36V
输出电压 (VOUT)0.6~20V
输出电流 (IOUT)4000A
工作频率80~800Hz
转换效率>95%
封装类型SOP-8(EP)
TopologyBuck降压型芯片
Control methodPWM/PFM
Switching frequency80~800
Protection过流/过压/过温
Features静态工作电流:1000
Operating temp-40℃~125℃
Reference design反馈电压FB(V):4000

产品详细介绍

目录

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）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

          CXSD62260是一款同步的恒压/恒流模式的降压型DC-DC变换器，可以提供高达4A的负载电流，具有很好的线性和负载调整率。CXSD62260的恒压/恒流模式都可以在宽输入电压范围4.5V～36V内稳定工作，CXSD62260可通过外部电阻调节来实现可编程的走线电压补偿，外部关断功能可以通过把COMP引脚电压下拉到0.14v以下来实现CXSD62260具有短路保护、过温等保护机制和间接的周期性电流限制，以确保芯片工作的安全性。芯片内部的软启电路有效减小了输入浪涌电流和启动时的输出过冲CXSD62260可以用SOP-8封装。The CXSD62260 is a synchronous step-down converter capable of driving 4A continuous load with excellent line and load regulation. The CXSD62260 operates in either CC (Constant Current) mode or CV (Constant Voltage) mode with an input voltage range from 4.5V to 36V. The CXSD62260 provides programmable cable compensation by adjusting external resistor divider. External shutdown function can be controlled by pulling COMP pin to a level below 0.14V. Fault protection includes secondary cycle-by-cycle current limit, short circuit protection and thermal shutdown. Internal soft-start minimizes the inrush supply current and the output overshoot at initial startup. The CXSD62260 is available in SOP-8 (EP) package.

   产品特点 返回TOP

 

•输入电压范围：4.5V至36V

•80KHz~800KHz的可选择开关频率

•恒压/恒流模式控制

•高达最大4A的输出电流

•电压参考精度

•的恒定电流精度

•可编程的走线电压补偿

•内部软启动

•单pin控制外部补偿和关断

•短路保护

•间接的周期性电流限制

•过温关断保护

•SOP-8封装

•符合RoHS规范及Pb-Free、Halogen-Free

z 4.5V to 36V Wide Input Operating Range 

z 80kHz~800kHz Switching Frequency Selection 

z CC/CV Mode Control z Up to 4A Output Current 

z +/- 1.5% Voltage Reference Accuracy 

z +/- 4% Constant Current Accuracy 

z Programmable Cable Compensation 

z Internal Soft Start 

z Single Pin to External Compensation and Shutdown Control 

z Hiccup Short Circuit Protection 

z Secondary Cycle-by-Cycle Current Limit 

z Thermal Shutdown 

z Available in SOP-8 (EP) Package 

z RoHS Compliant and 100% Lead(Pb)-Free Halogen-Free

   应用范围 返回TOP

 

•汽车电子

•有电流限制的DC-DC变换器

•可携式电子产品

z Car Charger 

z Portable charger applications 

z DC/DC converters with current limited

   技术规格书（产品PDF) 返回TOP 

     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！

 QQ截图20160419174301.jpg

产品封装图 返回TOP

a

电路原理图 返回TOP

 

 

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相关芯片选择指南 返回TOP   更多同类产品......

 

DC/DC开关稳压器 > 降压转换器/控制器

Part   

Number

remark

Iout 

(mA)

Vin 

(V)

Vout 

(V)

IQ 

(μA)

FB 

(V)

Freq. 

(KHz)

Peak 

Efficency 

(%)

Package

CXSD62255

6A, 30V, Synchronous Step-Down Converter with Programmable Frequency

6000

2.7~30

0.8~20

1000

0.8

100~1000

>95

TQFN-23L

CXSD62256

2A, 30V, 340KHz Synchronous Step-Down Converter

2000

4.5~30

0.92~20

1000

0.92

340

>94

SOP-8

CXSD62257

3A, 30V, 340KHz Synchronous Step-Down Converter

3000

4.5~30

0.92~20

1000

0.92

340

>94

SOP-8(EP)

CXSD62258

CC/CV Mode Synchronous Step-Down Converter

4000

8~36

0.6~12

1000

0.6

80~800

>95

SOP-8(EP)

CXSD62259

Dual-Channel CC/CV Mode Synchronous Step-Down Controller

5000

8~36

0.6~12

1000

0.6

150

>95

MSOP-10

CXSD62260

CC/CV Mode Synchronous Step-Down Converter

4000

4.5~36

0.6~20

1000

0.6

80~800

>95

SOP-8(EP)

CXSD62261

CC/CV Mode Synchronous Step-Down Converter

4000

4.5~30

0.6~12

1000

0.6

80~800

>95

SOP-8(EP)

CXSD62262

Dual-Channel CC/CV Mode Synchronous Step-Down Converter

5000

8~36

0.6~12

1000

0.6

80~800

95

SOP-8(EP)

CXSD62263

5A, CC/CV Mode Step-Down Converter

5000

8~36

1.18~12

500

1.18

120

>95

SOP-8(EP)

CXSD62264

CC/CV Mode Step-Down Converter

3000

8~36

1.18~12

500

1.18

120

>95

SOP-8

CXSD62265

3A,40V,200KHz Step-Down Converter

3000

4.75~40

0.92~15

550

0.92

200

>95

SOP-8(EP)

CXSD62266

1.5MHz, 800mA Synchronous Step-Down Converter with Soft Start

800

2.5 ~ 5.5

0.6~Vin

270

0.6

1500

> 96

TSOT23-5,SOT23-5

CXSD62267

3A, Synchronous Step-Down Converter

3000

2.7~5.5

0.6~5

500

0.6

1000

>96

TDFN-10,SOP-8(EP)

CXSD62268

1A, 2.25MHz Synchronous Step-Down DC/DC Regulator

1000

2.7~5.5

0.6~3.3

30

0.6

2250

>94

TDFN-6

CXSD62269

1.5MHz,1A Synchronous Step-Down Converter with Soft Start

1000

2.5 ~ 5.5

0.6~5

270

0.6

1500

> 96

TDFN-6,SOT23-5,TSOT23-5

CXSD62270

5A, 3MHz Synchronous Step-Down DC-DC with I2C Compatible Interface

5000

2.7~5.5

0.6~1.4

52

-

3000

-

WCSP-20

CXSD62271

1A, 2.25MHz Synchronous Step-Down DC/DC Regulator

1000

2.7 ~ 5.5

0.6~Vin

30

0.6

2250

> 95

TDFN-6,TSOT23-5

CXSD62272

Dual High-Efficiency 1.5MHz 1A PWM Step-Down DC-DC Converter

1000 /1000

2.5 ~ 5.5

0.6~5

270

0.6

1500

> 96

TDFN-12

CXSD62273

Dual 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator

1000/1000

2.7 ~ 5.5

0.6~Vin

45

0.6

2250

> 95

TDFN-10

CXSD62274

Dual 1A, 2.25MHz Synchronous Step-Down DC/DC Regulator

1000/1000

2.7 ~ 5.5

0.6~Vin

30

0.6

2250

> 95

TDFN-12

CXSD62275

1.2A,30V,1.2MHz Step-Down Converter

1200

4.5 ~ 30

0.8~15

550

0.8

1200

> 92

SOT23-6

CXSD62276

1.5A, 2.25MHz Synchronous Step-Down DC/DC Regulator

1500

2.7 ~ 5.5

0.6~Vin

30

0.6

2250

> 95

TDFN-6

CXSD62277

1.5A,40V,200KHz Step-Down Converter

1500

4.75 ~ 40

0.92~15

550

0.92

200

> 95

SOP-8

CXSD62278

2A, Synchronous Step-Down Converter

2000

2.7 ~ 5.5

0.8~5

500

0.8

1000

> 96

SOP-8

CXSD62279

2A, 30V, 340KHz SynchronousStep-Down Converter

2000

4.5 ~ 30

0.923~20

450

0.923

340

>93

SOP-8

CXSD62280

2A, 30V, 340KHz Synchronous Step-Down Converter

2000

4.5~30

0.923~20

450

0.923

340

>95

SOP-8

CXSD62281

2A, 30V, 340KHz Synchronous Step-Down Converter

2000

4.5~30

0.923~20

450

0.923

340

>95

SOP-8

CXSD62282

3A,30V,500KHz Step-Down Converter

3000

4. 5 ~ 30

0.8~12

450

0.8

500

> 95

SOP-8(EP)

CXSD62283

3A, 28V, 500kHz Synchronous Step-Down Converter

3000

4.5 ~ 28

0.8~24

1100

0.8

500

>95

SOP-8(EP)

CXSD62284

3A, 28V, 500kHz Synchronous Step-Down Converter

3000

4.5 ~ 28

0.8~24

1100

0.8

500

>95

SOP-8（EP）

CXSD62285

3A, 28V, 1MHz Synchronous Step-Down Converter

3000

4.5 ~ 28

0.8~24

1100

0.8

1000

>95

SOP-8(EP),TDFN-8(EP)

CXSD62286

3A,40V,200KHz Step-Down Converterr

3000

4.75 ~ 40

0.92~15

550

0.92

200

>95

SOP-8(EP)

CXSD62287

3A, 28V, 1MHz Synchronous Step-Down Converter

3000

4.5 ~ 28

0.8~24

1100

0.8

1000

>95

SOP-8（EP）

CXSD62288

3A, 30V, 340KHz Synchronous Step-Down Converter

3000

4.5 ~ 30

0.925~12

450

0.925

340

>95

SOP-8(EP)

CXSD62289

3A, 30V, 340KHz Synchronous Step-Down Converter

3000

4.5~30

0.923~20

450

0.925

340

>95

SOP-8(EP)

CXSD62290

3.2A, Synchronous Step-Down Converter

3200

2.7 ~ 5.5

0.8~5

500

0.8

1000

> 96

SOP-8(EP)

CXSD62291

4A, 21V, 500KHz Synchronous Step-Down Converter

4000

4.5 ~ 21

0.8~15

900

0.808

500

>95

SOP-8(EP)

CXSD62292

5A,30V,500KHz Step-Down Converter

5000

5.5 ~ 30

1.222~26

550

1.222

500

> 95

SOP-8(EP)

CXSD62293

6A Synchronous Step-Down Converter

6000

3.3~5.5

0.6~2

1000

0.6~2

1200

>93

TQFN-20

CXSD62294

4A, Synchronous Step-Down Converter

4000

2.7~5.5

0.6-~5

500

0.6

1000

96

TDFN-10

CXSD62295

2A, 24V, 340KHz Synchronous Step-Down Converter

2000

4.5~24

0.92~20

1000

0.92

340

94

SOP-8,TSOT23-8

CXSD62296

3A, 24V, 340KHz Synchronous Step-Down Converter

3000

4.5~24

0.92~20

1000

0.92

340

94

SOP-8

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