CXSD62232

CXSD62232是一个单片同步降压调节器。该器件集成了两个90mΩmosfet,在4.75V宽输入电压下提供2.2A的连续负载电流电流模式控制提供快速瞬态响应和逐周电流限制。可调软启动可防止在开启和进入模式时出现涌入电流电源电流降到1μA。

2.2A输出电流4.75V至32V输入CXSD62232效率高达93%单片同步降压调节器90mΩ功率MOSFET开关可编程软启动

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产品订购

产品简介

目录 zCm嘉泰姆

1.产品概述                       2.产品特点zCm嘉泰姆
3.应用范围                       4.下载产品资料PDF文档 zCm嘉泰姆
5.产品封装图                     6.电路原理图                   zCm嘉泰姆
7.功能概述                        8.相关产品zCm嘉泰姆

一,  产品概述(General Description)      zCm嘉泰姆
直线zCm嘉泰姆
   The CXSD62232 is a monolithic synchronous buck regulator. The device integrates two 90mΩ MOSFETs, and provides2.2A of continuous loadcurrent over a wide input voltage of 4.75V zCm嘉泰姆
to 37V.Current mode control provides fast transient response and cycle-by-cycle current limit.An adjustable soft-start prevents inrush current at turn-on, and inshuJTMTown mode zCm嘉泰姆
the supply current drops to 1μA.This device, available in an SOP8-PP package, provides a verycompact solution with minimal external componentszCm嘉泰姆
二.产品特点(Features)zCm嘉泰姆
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* 2.2A Output CurrentzCm嘉泰姆
* Wide 4.75V to 32V Operating Input RangezCm嘉泰姆
* Integrated 90mΩ Power MOSFET SwitcheszCm嘉泰姆
* Output Adjustable from 0.923V to 30VzCm嘉泰姆
* Up to 93% EfficiencyzCm嘉泰姆
* Programmable Soft-StartzCm嘉泰姆
* Stable with Low ESR Ceramic Output CapacitorszCm嘉泰姆
* Fixed 200KHz FrequencyzCm嘉泰姆
* Cycle-by-Cycle Over Current ProtectionzCm嘉泰姆
* Input Under Voltage LockoutzCm嘉泰姆
三,应用范围 (Applications)zCm嘉泰姆
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* Distributed Power SystemszCm嘉泰姆
* Networking SystemszCm嘉泰姆
* FPGA, DSP, ASIC Power SupplieszCm嘉泰姆
* Green Electronics/ ApplianceszCm嘉泰姆
* Notebook ComputerszCm嘉泰姆
四.技术规格书下载(产品PDF)zCm嘉泰姆
直线zCm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zCm嘉泰姆

 QQ截图20160419174301.jpgzCm嘉泰姆

五,产品封装图 (Package)zCm嘉泰姆
直线zCm嘉泰姆
JTMT2778封装图1zCm嘉泰姆
blob.pngzCm嘉泰姆

Pin NumberzCm嘉泰姆

Pin NamezCm嘉泰姆

DescriptionzCm嘉泰姆

1zCm嘉泰姆

BSzCm嘉泰姆

High-Side Gate Drive Boost Input. BS supplies the drive for the high-side N-ChannelzCm嘉泰姆
MOSFET switch. Connect a 0.01μF or greater capacitor from SW to BS to power thezCm嘉泰姆
high side switch.zCm嘉泰姆

2zCm嘉泰姆

INzCm嘉泰姆

Power Input. IN supplies the power to the IC, as well as the step-down converterzCm嘉泰姆
switches. Drive IN with a 4.75V to 32V power source. Bypass IN to GND with azCm嘉泰姆
suitably large capacitor to eliminate noise on the input to the IC. See Input Capacitor.zCm嘉泰姆

3zCm嘉泰姆

SWzCm嘉泰姆

Power Switching Output. SW is the switching node that supplies power to the output.zCm嘉泰姆
Connect the output LC filter from SW to the output load. Note that a capacitor iszCm嘉泰姆
required from SW to BS to power the high-side switch.zCm嘉泰姆

4zCm嘉泰姆

GNDzCm嘉泰姆

Ground.zCm嘉泰姆

5zCm嘉泰姆

FBzCm嘉泰姆

Feedback Input. FB senses the output voltage to regulate that voltage. Drive FBzCm嘉泰姆
with a resistive voltage divider from the output voltage. The feedback thresholdzCm嘉泰姆
is 0.923V. See Setting the Output Voltage.zCm嘉泰姆

6zCm嘉泰姆

COMPzCm嘉泰姆

Compensation Node. COMP is used to compensate the regulation control loop.zCm嘉泰姆
Connect a series RC network from COMP to GND to compensate the regulationzCm嘉泰姆
control loop. In some cases, an additional capacitor from COMP to GND iszCm嘉泰姆
required. See Compensation Components.zCm嘉泰姆

7zCm嘉泰姆

ENzCm嘉泰姆

Enable Input. EN is a digital input that turns the regulator on or off. Drive EN high tozCm嘉泰姆
turn on the regulator, drive it low to turn it off. Pull up with 100kΩ resistor forzCm嘉泰姆
automatic startup.zCm嘉泰姆

8zCm嘉泰姆

SSzCm嘉泰姆

Soft-Start Control Input. SS controls the soft start period. Connect a capacitor from SSzCm嘉泰姆
to GND to set the soft-start period. A 0.1μF capacitor sets the soft-start period to 15ms.zCm嘉泰姆
To disable the soft-start feature, leave SS unconnected.zCm嘉泰姆

六.电路原理图zCm嘉泰姆
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七,功能概述zCm嘉泰姆
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ParameterszCm嘉泰姆

SymbolzCm嘉泰姆

Test ConditionzCm嘉泰姆

Min.zCm嘉泰姆

Typ.zCm嘉泰姆

Max.zCm嘉泰姆

UnitzCm嘉泰姆

Input Under Voltage LockoutzCm嘉泰姆
ThresholdzCm嘉泰姆

 

VIN RisingzCm嘉泰姆

3.80zCm嘉泰姆

4.10zCm嘉泰姆

4.40zCm嘉泰姆

VzCm嘉泰姆

Input Under Voltage LockoutzCm嘉泰姆
Threshold HysteresiszCm嘉泰姆

     

210zCm嘉泰姆

 

mVzCm嘉泰姆

Soft-Start CurrentzCm嘉泰姆

 

VSS = 0VzCm嘉泰姆

 

6zCm嘉泰姆

 

μAzCm嘉泰姆

Soft-Start PeriodzCm嘉泰姆

 

CSS = 0.1μFzCm嘉泰姆

 

15zCm嘉泰姆

 

mszCm嘉泰姆

*zCm嘉泰姆
Thermal ShuJTMTownzCm嘉泰姆

     

160zCm嘉泰姆

 

°CzCm嘉泰姆

八,相关芯片选择指南         更多同类产品......zCm嘉泰姆

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PWM Buck Converter(synchronous)zCm嘉泰姆

Part No.zCm嘉泰姆

InputzCm嘉泰姆

Output VoltagezCm嘉泰姆

CurrentzCm嘉泰姆

FrequencyzCm嘉泰姆

EfficiencyzCm嘉泰姆

PackagezCm嘉泰姆

PrecisionzCm嘉泰姆

OCPzCm嘉泰姆

OTPzCm嘉泰姆

SPzCm嘉泰姆

VoltagezCm嘉泰姆

MAXzCm嘉泰姆

CXSD62225zCm嘉泰姆

40VzCm嘉泰姆

ADJzCm嘉泰姆

600mAzCm嘉泰姆

1/2MHZzCm嘉泰姆

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CXSD62227AzCm嘉泰姆

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23VzCm嘉泰姆

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CXSD62229zCm嘉泰姆

32VzCm嘉泰姆

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2AzCm嘉泰姆

340KHZzCm嘉泰姆

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CXSD62229AzCm嘉泰姆

32VzCm嘉泰姆

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600KHZzCm嘉泰姆

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2%zCm嘉泰姆

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CXSD62230zCm嘉泰姆

32VzCm嘉泰姆

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1.6AzCm嘉泰姆

340KHZzCm嘉泰姆

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CXSD62231zCm嘉泰姆

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2.2AzCm嘉泰姆

340KHZzCm嘉泰姆

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2%zCm嘉泰姆

YzCm嘉泰姆

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CXSD62231AzCm嘉泰姆

32VzCm嘉泰姆

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600KHZzCm嘉泰姆

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22VzCm嘉泰姆

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CXSD62232zCm嘉泰姆

32VzCm嘉泰姆

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200KHZzCm嘉泰姆

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CXSD62233zCm嘉泰姆

32VzCm嘉泰姆

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3AzCm嘉泰姆

340KHZzCm嘉泰姆

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2%zCm嘉泰姆

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CXSD62234zCm嘉泰姆

5.5VzCm嘉泰姆

1.2/.15/1.8/ADJzCm嘉泰姆

800mAzCm嘉泰姆

1.5MHZzCm嘉泰姆

96%zCm嘉泰姆

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2%zCm嘉泰姆

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1.5A*2zCm嘉泰姆

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2%zCm嘉泰姆

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◀ 上一篇:2.2A输出电流 宽4.75V至32V工作输入范围集成90mΩ功率MOSFET开关输出可从0.923V调整到30V效率高达93% CXSD62231B

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