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CXSD61007 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load
Time of publication:2020-04-08Number of views:20
CXSD61007 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load
 

目录vKD嘉泰姆

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

 

一,产品概述(General Description)         vKD嘉泰姆


     The  CXSD61007 is a 150 KHz fixed frequency PWM buck (step-down)vKD嘉泰姆
DC/DC converter,capable of driving a 2A load with highefficiency, lowvKD嘉泰姆
ripple and excellent line and load regulation. Requiring a minimumvKD嘉泰姆
number of external components, the regulator is simple to use andvKD嘉泰姆
include internal frequency compensation and a fixed-frequencyvKD嘉泰姆
oscillator.vKD嘉泰姆
      The PWM control circuit is able to adjust the duty ratio linearlyvKD嘉泰姆
from 0 to 100%. An enable function, an over current protection functionvKD嘉泰姆

is built inside. When second current limit function happens, the operation vKD嘉泰姆

frequency will be reduced from 150KHz to 50KHz. An internal compensationvKD嘉泰姆

block is built in to minimize external component count.vKD嘉泰姆
二.产品特点(Features)vKD嘉泰姆


1.)Wide 4.5V to 40V Input Voltage RangevKD嘉泰姆
2.)3.3V,5V,12V, and adjustable versionsvKD嘉泰姆
3.)Output Adjustable from 1.23V to 37VvKD嘉泰姆
4.)Maximum Duty Cycle 100%vKD嘉泰姆
5.)Minimum Drop Out 1.5VvKD嘉泰姆
6.)Fixed 150KHz Switching FrequencyvKD嘉泰姆
7.)2A Constant Output Current CapabilityvKD嘉泰姆
8.)Internal Optimize Power TransistorvKD嘉泰姆
9.)High efficiencyvKD嘉泰姆
10.)Excellent line and load regulationvKD嘉泰姆
11.)TTL shutdown capabilityvKD嘉泰姆
12.)ON/OFF pin with hysteresis functionvKD嘉泰姆
13.)Built in thermal shutdown functionvKD嘉泰姆
14.)Built in current limit functionvKD嘉泰姆
15.)Built in second current limit functionvKD嘉泰姆
16.)Available in SOIC8 packagevKD嘉泰姆
三,应用范围 (Applications)vKD嘉泰姆
LCD Monitor and LCD TVvKD嘉泰姆
Digital Photo FramevKD嘉泰姆
Set-up BoxvKD嘉泰姆
ADSL ModemvKD嘉泰姆
Telecom / Networking EquipmentvKD嘉泰姆
四.下载产品资料PDF文档 vKD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vKD嘉泰姆

 QQ截图20160419174301.jpgvKD嘉泰姆

五,产品封装图 (Package)vKD嘉泰姆
blob.pngvKD嘉泰姆

Pin NumbervKD嘉泰姆

Pin NamevKD嘉泰姆

DescriptionvKD嘉泰姆

1vKD嘉泰姆

VINvKD嘉泰姆

Supply Voltage Input Pin. CXSD61007 operates from a 4.5V tovKD嘉泰姆
40V DC voltage. Bypass Vin to GND with a suitably largevKD嘉泰姆
capacitor to eliminate noise on the input.vKD嘉泰姆

2vKD嘉泰姆

OUTPUTvKD嘉泰姆

Power Switch Output Pin (SW). Output is the switch node thatvKD嘉泰姆
supplies power to the output.vKD嘉泰姆

5~8vKD嘉泰姆

GNDvKD嘉泰姆

Ground Pin. Care must be taken in layout. This pin should bevKD嘉泰姆
placed outside of the Schottky Diode to output capacitorvKD嘉泰姆
ground path to prevent switching current spikes from inducingvKD嘉泰姆
voltage noise into CXSD61007.vKD嘉泰姆

3vKD嘉泰姆

FEEDBACKvKD嘉泰姆

Feedback Pin (FB). Through an external resistor dividervKD嘉泰姆
network, Feedback senses the output voltage and regulates it.vKD嘉泰姆
The feedback threshold voltage is 1.23V.vKD嘉泰姆

4vKD嘉泰姆

ON/OFFvKD嘉泰姆

Enable Pin. Drive ON/OFF pin low to turn on the device, drivevKD嘉泰姆
it high to turn it off. Floating is default low.vKD嘉泰姆

六.电路原理图vKD嘉泰姆
blob.pngvKD嘉泰姆
七,功能概述vKD嘉泰姆

ParametervKD嘉泰姆

SymbolvKD嘉泰姆

ValuevKD嘉泰姆

UnitvKD嘉泰姆

Input VoltagevKD嘉泰姆

VinvKD嘉泰姆

-0.3 to 45vKD嘉泰姆

VvKD嘉泰姆

Feedback Pin VoltagevKD嘉泰姆

VFBvKD嘉泰姆

-0.3 to VinvKD嘉泰姆

VvKD嘉泰姆

ON/OFF Pin VoltagevKD嘉泰姆

VON/OFFvKD嘉泰姆

-0.3 to VinvKD嘉泰姆

VvKD嘉泰姆

Output Switch Pin VoltagevKD嘉泰姆

VOutputvKD嘉泰姆

-0.3 to VinvKD嘉泰姆

VvKD嘉泰姆

Power DissipationvKD嘉泰姆

PDvKD嘉泰姆

Internally limitedvKD嘉泰姆

mWvKD嘉泰姆

Thermal Resistance (SOIC8)vKD嘉泰姆
(Junction to Ambient, No Heatsink, Free Air)vKD嘉泰姆

RJAvKD嘉泰姆

100vKD嘉泰姆

oC/WvKD嘉泰姆

Operating Junction TemperaturevKD嘉泰姆

TJvKD嘉泰姆

-40 to 125vKD嘉泰姆

oCvKD嘉泰姆

Storage TemperaturevKD嘉泰姆

TSTGvKD嘉泰姆

-65 to 150vKD嘉泰姆

oCvKD嘉泰姆

Lead Temperature (Soldering, 10 sec)vKD嘉泰姆

TLEADvKD嘉泰姆

260vKD嘉泰姆

oCvKD嘉泰姆

ESD (HBM)vKD嘉泰姆

 

2000vKD嘉泰姆

VvKD嘉泰姆

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1mvKD嘉泰姆