CXSD61007

CXSD61007 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load with highefficiency, low ripple and excellent line and load regulation

CXSD61007 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load

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产品简介

目录Jbs嘉泰姆

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

 

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


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

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

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

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


1.)Wide 4.5V to 40V Input Voltage RangeJbs嘉泰姆
2.)3.3V,5V,12V, and adjustable versionsJbs嘉泰姆
3.)Output Adjustable from 1.23V to 37VJbs嘉泰姆
4.)Maximum Duty Cycle 100%Jbs嘉泰姆
5.)Minimum Drop Out 1.5VJbs嘉泰姆
6.)Fixed 150KHz Switching FrequencyJbs嘉泰姆
7.)2A Constant Output Current CapabilityJbs嘉泰姆
8.)Internal Optimize Power TransistorJbs嘉泰姆
9.)High efficiencyJbs嘉泰姆
10.)Excellent line and load regulationJbs嘉泰姆
11.)TTL shutdown capabilityJbs嘉泰姆
12.)ON/OFF pin with hysteresis functionJbs嘉泰姆
13.)Built in thermal shutdown functionJbs嘉泰姆
14.)Built in current limit functionJbs嘉泰姆
15.)Built in second current limit functionJbs嘉泰姆
16.)Available in SOIC8 packageJbs嘉泰姆
三,应用范围 (Applications)Jbs嘉泰姆
LCD Monitor and LCD TVJbs嘉泰姆
Digital Photo FrameJbs嘉泰姆
Set-up BoxJbs嘉泰姆
ADSL ModemJbs嘉泰姆
Telecom / Networking EquipmentJbs嘉泰姆
四.下载产品资料PDF文档 Jbs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Jbs嘉泰姆

 QQ截图20160419174301.jpgJbs嘉泰姆

五,产品封装图 (Package)Jbs嘉泰姆
blob.pngJbs嘉泰姆

Pin NumberJbs嘉泰姆

Pin NameJbs嘉泰姆

DescriptionJbs嘉泰姆

1Jbs嘉泰姆

VINJbs嘉泰姆

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

2Jbs嘉泰姆

OUTPUTJbs嘉泰姆

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

5~8Jbs嘉泰姆

GNDJbs嘉泰姆

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

3Jbs嘉泰姆

FEEDBACKJbs嘉泰姆

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

4Jbs嘉泰姆

ON/OFFJbs嘉泰姆

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

六.电路原理图Jbs嘉泰姆
blob.pngJbs嘉泰姆
七,功能概述Jbs嘉泰姆

ParameterJbs嘉泰姆

SymbolJbs嘉泰姆

ValueJbs嘉泰姆

UnitJbs嘉泰姆

Input VoltageJbs嘉泰姆

VinJbs嘉泰姆

-0.3 to 45Jbs嘉泰姆

VJbs嘉泰姆

Feedback Pin VoltageJbs嘉泰姆

VFBJbs嘉泰姆

-0.3 to VinJbs嘉泰姆

VJbs嘉泰姆

ON/OFF Pin VoltageJbs嘉泰姆

VON/OFFJbs嘉泰姆

-0.3 to VinJbs嘉泰姆

VJbs嘉泰姆

Output Switch Pin VoltageJbs嘉泰姆

VOutputJbs嘉泰姆

-0.3 to VinJbs嘉泰姆

VJbs嘉泰姆

Power DissipationJbs嘉泰姆

PDJbs嘉泰姆

Internally limitedJbs嘉泰姆

mWJbs嘉泰姆

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

RJAJbs嘉泰姆

100Jbs嘉泰姆

oC/WJbs嘉泰姆

Operating Junction TemperatureJbs嘉泰姆

TJJbs嘉泰姆

-40 to 125Jbs嘉泰姆

oCJbs嘉泰姆

Storage TemperatureJbs嘉泰姆

TSTGJbs嘉泰姆

-65 to 150Jbs嘉泰姆

oCJbs嘉泰姆

Lead Temperature (Soldering, 10 sec)Jbs嘉泰姆

TLEADJbs嘉泰姆

260Jbs嘉泰姆

oCJbs嘉泰姆

ESD (HBM)Jbs嘉泰姆

 

2000Jbs嘉泰姆

VJbs嘉泰姆

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420KJbs嘉泰姆

95%Jbs嘉泰姆

1mJbs嘉泰姆

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