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CXSD61007 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load
发表时间:2020-04-08浏览次数:45
CXSD61007 150 KHz fixed frequency PWM buck (step-down) DC/DC converter,capable of driving a 2A load
 

目录lDY嘉泰姆

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

 

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


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

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

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

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


1.)Wide 4.5V to 40V Input Voltage RangelDY嘉泰姆
2.)3.3V,5V,12V, and adjustable versionslDY嘉泰姆
3.)Output Adjustable from 1.23V to 37VlDY嘉泰姆
4.)Maximum Duty Cycle 100%lDY嘉泰姆
5.)Minimum Drop Out 1.5VlDY嘉泰姆
6.)Fixed 150KHz Switching FrequencylDY嘉泰姆
7.)2A Constant Output Current CapabilitylDY嘉泰姆
8.)Internal Optimize Power TransistorlDY嘉泰姆
9.)High efficiencylDY嘉泰姆
10.)Excellent line and load regulationlDY嘉泰姆
11.)TTL shutdown capabilitylDY嘉泰姆
12.)ON/OFF pin with hysteresis functionlDY嘉泰姆
13.)Built in thermal shutdown functionlDY嘉泰姆
14.)Built in current limit functionlDY嘉泰姆
15.)Built in second current limit functionlDY嘉泰姆
16.)Available in SOIC8 packagelDY嘉泰姆
三,应用范围 (Applications)lDY嘉泰姆
LCD Monitor and LCD TVlDY嘉泰姆
Digital Photo FramelDY嘉泰姆
Set-up BoxlDY嘉泰姆
ADSL ModemlDY嘉泰姆
Telecom / Networking EquipmentlDY嘉泰姆
四.下载产品资料PDF文档 lDY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lDY嘉泰姆

 QQ截图20160419174301.jpglDY嘉泰姆

五,产品封装图 (Package)lDY嘉泰姆
blob.pnglDY嘉泰姆

Pin NumberlDY嘉泰姆

Pin NamelDY嘉泰姆

DescriptionlDY嘉泰姆

1lDY嘉泰姆

VINlDY嘉泰姆

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

2lDY嘉泰姆

OUTPUTlDY嘉泰姆

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

5~8lDY嘉泰姆

GNDlDY嘉泰姆

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

3lDY嘉泰姆

FEEDBACKlDY嘉泰姆

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

4lDY嘉泰姆

ON/OFFlDY嘉泰姆

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

六.电路原理图lDY嘉泰姆
blob.pnglDY嘉泰姆
七,功能概述lDY嘉泰姆

ParameterlDY嘉泰姆

SymbollDY嘉泰姆

ValuelDY嘉泰姆

UnitlDY嘉泰姆

Input VoltagelDY嘉泰姆

VinlDY嘉泰姆

-0.3 to 45lDY嘉泰姆

VlDY嘉泰姆

Feedback Pin VoltagelDY嘉泰姆

VFBlDY嘉泰姆

-0.3 to VinlDY嘉泰姆

VlDY嘉泰姆

ON/OFF Pin VoltagelDY嘉泰姆

VON/OFFlDY嘉泰姆

-0.3 to VinlDY嘉泰姆

VlDY嘉泰姆

Output Switch Pin VoltagelDY嘉泰姆

VOutputlDY嘉泰姆

-0.3 to VinlDY嘉泰姆

VlDY嘉泰姆

Power DissipationlDY嘉泰姆

PDlDY嘉泰姆

Internally limitedlDY嘉泰姆

mWlDY嘉泰姆

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

RJAlDY嘉泰姆

100lDY嘉泰姆

oC/WlDY嘉泰姆

Operating Junction TemperaturelDY嘉泰姆

TJlDY嘉泰姆

-40 to 125lDY嘉泰姆

oClDY嘉泰姆

Storage TemperaturelDY嘉泰姆

TSTGlDY嘉泰姆

-65 to 150lDY嘉泰姆

oClDY嘉泰姆

Lead Temperature (Soldering, 10 sec)lDY嘉泰姆

TLEADlDY嘉泰姆

260lDY嘉泰姆

oClDY嘉泰姆

ESD (HBM)lDY嘉泰姆

 

2000lDY嘉泰姆

VlDY嘉泰姆

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150KlDY嘉泰姆

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110KlDY嘉泰姆

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42VlDY嘉泰姆

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3AlDY嘉泰姆

0.8VlDY嘉泰姆

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40VlDY嘉泰姆

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1.25VlDY嘉泰姆

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83%lDY嘉泰姆

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可调输出lDY嘉泰姆

0.8AlDY嘉泰姆

0.8VlDY嘉泰姆

550KlDY嘉泰姆

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650KlDY嘉泰姆

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1mlDY嘉泰姆