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炮打鱼

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标题

TL494中文资料_电路图_引脚图_PDF下载_替代型号_封装_参数

描述

炮打鱼TL494SHIYIZHONGGUDINGPINLVMAIKUANDIAOZHIDIANLU,TABAOHANLEKAIGUANDIANYUANKONGZHISUOXUDEQUANBUGONGNENG,GUANGFANYINGYONGYUDANDUANZHENGJISHUANGGUANSHI、BANQIAOSHI、QUANQIAOSHIKAIGUANDIANYUAN。QIBAOHANLIANGGEWUCHAFANGDAQI,YIGEPIANSHANGKEDIAOZHENDANGQI,YIGESIQUSHIJIANKONGZHI(DTC)BIJIAOQI,YIGEMAICHONGZHUANXIANGKONGZHICHUFAQI,YIGE5 V,5%JINGDUDIAOJIEQIHESHUCHUKONGZHIDIANLU。TL494YOUSO-16HEPDIP-16LIANGZHONGFENGZHUANGXINGSHI,YISHIYINGBUTONGCHANGHEDEYAOQIU。

产品图片

TL494

TL494

规格参数

产品型号

TL494
制造商德州仪器(TI)
调制方式定频调宽
控制模式电压模式
最高额定频率300000Hz
输出端口双端交错
每端最大占空比45%
封装SOP-16, DIP-16
常用拓扑Buck、推挽、半桥
VCC电源7 V—40 V
VI放大器输入电压-0.3 V—VCC-2 V
VO晶体管集电极电压40
每个晶体管的集电极电流200 mA
流入反馈引脚的电流0.3 mA
fOSC振荡器频率范围1 kHz—300 kHz
CT振荡器定时电容值0.47 nF—10000 nF
RT振荡器定时电阻值在1.8 k—500 k欧姆
Tstg储存温度范围–65/150°C


特点

  • 炮打鱼WANZHENGDEPWMGONGLVKONGZHIDIANLU

  • 200 mAGUANDIANLIUHUOYUANDIANLIUDEFEICHENGNUOSHUCHU

  • 炮打鱼SHUCHUKONGZHIXUANZEDANDUANHUOTUIWANCAOZUO

  • NEIBUDIANLUJINZHIZAIRENHEYIGESHUCHUSHANGCHANSHENGSHUANGMAICHONG

  • KEBIANSIQUSHIJIANKEKONGZHIZONGFANWEI

  • NEIBUWENYAQITIGONGJUYOU5%RONGCHADEWENDING5VCANKAODIANYUAN

  • DIANLUJIAGOUKEQINGSONGSHIXIANTONGBU

应用领域

  • LIXIANDIANYUAN

  • JIANGYAZHUANHUANQI

电路图

引脚图

引脚功能说明

YINJIAOHAO

YINJIAOMINGCHENG

MIAOSHU

1

1IN+

炮打鱼WUCHAFANGDAQI1DETONGXIANGSHURUDUAN。ZAIBIHUANXITONGZHONG,BEIKONGZHILIANGDEJIDINGXINHAOJIANGTONGGUOGAIYINJIAOSHURUWUCHAFANGDAQI;ERZAIKAIHUANXITONGZHONG,GAIYINJIAOXUJIEDIHUOXUANKONG。

2

1IN

WUCHAFANGDAQI1DEFANXIANGSHURUDUAN。ZAIBIHUANXITONGZHONG,BEIKONGZHILIANGDEFANKUIXINHAOKETONGGUOGAIYINJIAOSHURUWUCHAFANGDAQI,CISHIHAIXUYAOZAIGAIYINJIAOYUYINJIAO3ZHIJIANJIERUFANKUIWANGLUO;ERZAIKAIHUANXITONGZHONG,GAIYINJIAOXUJIEDIHUOXUANKONG。

3

FEEDBACK

FANKUI/PWMBIJIAOQISHURUDUAN。ZAIBIHUANXITONGZHONG,KEYIGENJUXUYAOZAIGAIYINJIAOYUYINJIAO2ZHIJIANJIERUBUTONGLEIXINGDEFANKUIWANGLUO,GOUCHENGBILI、BILIJIFENHEJIFENDENGGEZHONGLEIXINGDEDIAOJIEQI,YIMANZUBUTONGYONGHUXUQIU。

4

DTC

SIQUSHIJIANKONGZHIBIJIAOQISHURUDUAN。GAIDUANYONGYUSHEZHITL494SIQUSHIJIANDEQUZHI。GAIYINJIAOJIEDISHI,SIQUSHIJIANZUIXIAO,KEHUODEZUIDAZHANKONGBI。

5

CT

炮打鱼ZHENDANGQIDINGSHIDIANRONGJIERUDUAN。CTDEQUZHIFANWEITONGCHANGZAIO.OOl~O.lyFZHIJIAN。

6

Rr

ZHENDANGQIDINGSHIDIANZUJIERUDUAN。JIAODEQUZHIFANWEITONGCHANGZAI5~lOOkQZHIJIAN。

7

GND

XINHAODI(XINPIANGONGZUOCANKAODI)。

8

Cl

SHUCHUJINGTIGUANVT1DEJIDIANJIDUAN,GAIDUANWEIZHENGXIANGMAICHONGSHUCHUDUAN。ZAITUIWANGONGZUOMOSHIXIA,GAIDUANSHUCHUZHENGXIANGMAICHONGXINHAO,JIAO11SHUCHUFUXIANGMAICHONGXINHAO,LIANGZHEZAIXIANGWEISHANGXIANGCHA1800,JINGGELIFANGDAHOUFENBIEQUQUDONGKAIGUANGUAN。ZAIDANDUANGONGZUOMOSHIXIA,GAIDUANKEYIYUYINJIAO11BINGLIANZAIYIQI,YITIGAOMAIKUANDIAOZHIKONGZHIQITL494DESHUCHUNENGLI。

9

El

SHUCHUJINGTIGUANVT1DEFASHEJIDUAN,GAIDUANWEIYINJIAO8SHUCHUMAICHONGXINHAODECANKAODIDUAN,YIBANYUYINJIAO7ZHIJIEXIANGLIAN。

10

E2

SHUCHUJINGTIGUANVT2DEFASHEJIDUAN,GAIDUANWEIYINJIAO11SHUCHUMAICHONGXINHAODECANKAODIDUAN,YIBANYUYINJIAO7ZHIJIEXIANGLIAN。

11

C2

SHUCHUJINGTIGUANVT2DEJIDIANJIDUAN,GAIDUANWEIFANXIANGMAICHONGSHUCHUDUAN。ZAITUIWANGONGZUOMOSHIXIA,GAIDUANSHUCHUFANXIANGMAICHONGXINHAO,YINJIAO8SHUCHUZHENGXIANGMAICHONGXINHAO,LIANGZHEZAIXIANGWEISHANGXIANGCHA1800,JINGGELIFANGDAHOUFENBIEQUQUDONGKAIGUANGUAN。ZAIDANDUANGONGZUOMOSHIXIA,GAIDUANKEYIYUYINJIAO8BINGLIANZAIYIQI,YITIGAOMAIKUANDIAOZHIKONGZHIQITL494DESHUCHUNENGLI。

12

Vcc

PIANZHIDIANYUAN(XINPIANGONGZUODIANYUAN)JIERUDUAN。YINGYONGSHIGAIDUANBIXUWAIJIEYIGERONGLIANGZAIO.lUFYISHANGDELVBODIANRONGDAOGONGGONGJIEDIDUAN。

13

OUTPUT CTRL

SHUCHUGONGZUOMOSHIKONGZHIDUAN。TONGGUOGAIYINJIAOKEXUANZETUIWANHUODANDUANSHUCHUMOSHI。DANGGAIDUANJIEGAODIANPINGSHI,TL494JIANGGONGZUOZAITUIWANGONGZUOMOSHIXIA,CISHIZUIDAZHANKONGBIKEDA48%。DANGGAIDUANJIEDIDIANPINGSHI,LIANGLUSHUCHUMAICHONGWANQUANXIANGTONG,ZUIDAZHANKONGBIKEDADAO96%。

14

REF

JIZHUNDIANYUANSHUCHUDUAN,QISHUCHUDIANLIUKEDAlOmA。

15

2IN-

WUCHAFANGDAQI2DEFANXIANGSHURUDUAN。GAIDUANKEYIJIERUBAOHUDIANLUDEFANKUIXINHAO,YONGYISHIXIANGUODIANLIU、GUODIANYADENGGUZHANGBAOHU。

16

2IN+

WUCHAFANGDAQI2DETONGXIANGSHURUDUAN。HUIDUANWEIBAOHUFAZHIDIANYA(LIU)SHEDINGDUAN,YONGYISHIXIANGUODIANLIU、GUODIANYADENGGUZHANGBAOHU。

封装

TL494封装图

TL494FENGZHUANGTU

替代型号

炮打鱼2368211、ECG1729、EW84X370、MB3759、MB3759P、NTE1729、SK9912、TL494、TL494CJ、UPC494C、X440064940

PDF资料

产品制造商介绍

DEZHOUYIQI(Texas Instruments),JIANCHENGTI,SHIQUANQIULINGXIANDEBANDAOTIGONGSI,WEIXIANSHISHIJIEDEXINHAOCHULITIGONGCHUANGXINDESHUZIXINHAOCHULI(DSP)JIMONIQIJIANJISHU。CHUBANDAOTIYEWUWAI,HAITIGONGBAOKUOCHUANGANYUKONGZHI、JIAOYUCHANPINHESHUZIGUANGYUANCHULIJIEJUEFANGAN。TIZONGBUWEIYUMEIGUODEKESASIZHOUDEDALASI,BINGZAI25DUOGEGUOJIASHEYOUZHIZAO、SHEJIHUOXIAOSHOUJIGOU。

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