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iQT嘉泰姆

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

 

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


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

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

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

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


1.)Wide 4.5V to 40V Input Voltage RangeiQT嘉泰姆
2.)3.3V,5V,12V, and adjustable versionsiQT嘉泰姆
3.)Output Adjustable from 1.23V to 37ViQT嘉泰姆
4.)Maximum Duty Cycle 100%iQT嘉泰姆
5.)Minimum Drop Out 1.5ViQT嘉泰姆
6.)Fixed 150KHz Switching FrequencyiQT嘉泰姆
7.)2A Constant Output Current CapabilityiQT嘉泰姆
8.)Internal Optimize Power TransistoriQT嘉泰姆
9.)High efficiencyiQT嘉泰姆
10.)Excellent line and load regulationiQT嘉泰姆
11.)TTL shutdown capabilityiQT嘉泰姆
12.)ON/OFF pin with hysteresis functioniQT嘉泰姆
13.)Built in thermal shutdown functioniQT嘉泰姆
14.)Built in current limit functioniQT嘉泰姆
15.)Built in second current limit functioniQT嘉泰姆
16.)Available in SOIC8 packageiQT嘉泰姆
三,应用范围 (Applications)iQT嘉泰姆
LCD Monitor and LCD TViQT嘉泰姆
Digital Photo FrameiQT嘉泰姆
Set-up BoxiQT嘉泰姆
ADSL ModemiQT嘉泰姆
Telecom / Networking EquipmentiQT嘉泰姆
四.下载产品资料PDF文档 iQT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iQT嘉泰姆

 QQ截图20160419174301.jpgiQT嘉泰姆

五,产品封装图 (Package)iQT嘉泰姆
blob.pngiQT嘉泰姆

Pin NumberiQT嘉泰姆

Pin NameiQT嘉泰姆

DescriptioniQT嘉泰姆

1iQT嘉泰姆

VINiQT嘉泰姆

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

2iQT嘉泰姆

OUTPUTiQT嘉泰姆

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

5~8iQT嘉泰姆

GNDiQT嘉泰姆

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

3iQT嘉泰姆

FEEDBACKiQT嘉泰姆

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

4iQT嘉泰姆

ON/OFFiQT嘉泰姆

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

六.电路原理图iQT嘉泰姆
blob.pngiQT嘉泰姆
七,功能概述iQT嘉泰姆

ParameteriQT嘉泰姆

SymboliQT嘉泰姆

ValueiQT嘉泰姆

UnitiQT嘉泰姆

Input VoltageiQT嘉泰姆

ViniQT嘉泰姆

-0.3 to 45iQT嘉泰姆

ViQT嘉泰姆

Feedback Pin VoltageiQT嘉泰姆

VFBiQT嘉泰姆

-0.3 to ViniQT嘉泰姆

ViQT嘉泰姆

ON/OFF Pin VoltageiQT嘉泰姆

VON/OFFiQT嘉泰姆

-0.3 to ViniQT嘉泰姆

ViQT嘉泰姆

Output Switch Pin VoltageiQT嘉泰姆

VOutputiQT嘉泰姆

-0.3 to ViniQT嘉泰姆

ViQT嘉泰姆

Power DissipationiQT嘉泰姆

PDiQT嘉泰姆

Internally limitediQT嘉泰姆

mWiQT嘉泰姆

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

RJAiQT嘉泰姆

100iQT嘉泰姆

oC/WiQT嘉泰姆

Operating Junction TemperatureiQT嘉泰姆

TJiQT嘉泰姆

-40 to 125iQT嘉泰姆

oCiQT嘉泰姆

Storage TemperatureiQT嘉泰姆

TSTGiQT嘉泰姆

-65 to 150iQT嘉泰姆

oCiQT嘉泰姆

Lead Temperature (Soldering, 10 sec)iQT嘉泰姆

TLEADiQT嘉泰姆

260iQT嘉泰姆

oCiQT嘉泰姆

ESD (HBM)iQT嘉泰姆

 

2000iQT嘉泰姆

ViQT嘉泰姆

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