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图片源于供应商或网络,实物可能存在差异,请以实物为准

UC3846QTR

数量

单价

总价

128+

¥ 19.337035

¥ 2475.14048

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购买数量

总价金额：￥ 2475.14048

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详细描述：升压，反激，正激转换器，半桥，推挽稳压器正输出升压，升压/降压 DC DC 切换控制器 IC 20-PLCC（9x9）

产品参数

产品属性	属性值
串行接口	-
供应商器件封装	20-PLCC（9x9）
制造商	Texas Instruments
功能	升压，升压、降压
包装	卷带（TR）
占空比（最大）	50%
同步整流器	是
基本产品编号	UC3846
安装类型	表面贴装型
封装、外壳	20-LCC（J 形引线）
工作温度	0°C ~ 70°C（TA）
拓扑	升压，反激，正激转换器，半桥，推挽
控制特性	限流，使能，频率控制，软启动
时钟同步	是
电压 - 供电 (Vcc、Vdd)	6.95V ~ 40V
系列	-
输出数	2
输出类型	晶体管驱动器
输出配置	正
输出阶段	1
零件状态	停产
频率 - 开关	500kHz

PDF描述：Current Mode PWM Controller 电流模式PWM控制器

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SELECT * FROM `stock_pra` WHERE `stockid` = 63830407 [ RunTime:0.037084s ]
SHOW FULL COLUMNS FROM `stock_price` [ RunTime:0.021844s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63830407 ORDER BY `minOrder` ASC [ RunTime:0.032698s ]
SHOW FULL COLUMNS FROM `stock_unitquantity` [ RunTime:0.002396s ]
SELECT * FROM `stock_unitquantity` WHERE `stockid` = 63830407 ORDER BY `unit` DESC [ RunTime:0.015243s ]
SHOW FULL COLUMNS FROM `stock_warehousequantity` [ RunTime:0.019392s ]
SELECT * FROM `stock_warehousequantity` WHERE `stockid` = 63830407 [ RunTime:0.000764s ]
SELECT `name` FROM `product_type` WHERE `id` = 0 LIMIT 1 [ RunTime:0.015458s ]
SELECT * FROM `stock_price` WHERE `stockid` = 63830407 ORDER BY `minOrder` ASC [ RunTime:0.044840s ]
CONNECT:[ UseTime:0.000735s ] mysql:host=127.0.0.1;port=3306;dbname=ic72com_pdf;charset=utf8
select * from pdf where partno='UC3846QTR' and brandshort='Texas Instruments' limit 1 [ RunTime:0.040753s ]
SHOW FULL COLUMNS FROM `stock_product_overview` [ RunTime:0.006808s ]
SELECT `memo` FROM `stock_product_overview` WHERE `icName` = 'UC3846QTR' LIMIT 1 [ RunTime:0.003616s ]
SHOW FULL COLUMNS FROM `pdf` [ RunTime:0.006923s ]
SELECT `id`,`partno`,`note`,`note_cn` FROM `pdf` WHERE `partno` = 'UC3846QTR' LIMIT 1 [ RunTime:0.001238s ]
SHOW FULL COLUMNS FROM `stock_pra_lib` [ RunTime:0.002803s ]
SELECT `pra` FROM `stock_pra_lib` WHERE ( ( `partno` = 'UC3846QTR' OR `brand` LIKE 'Texas Instruments%' ) ) LIMIT 1 [ RunTime:0.012516s ]
SELECT `id` FROM `stock` WHERE `id` <> 63830407 AND `partno` = 'UC3846QTR' AND `lockUser` = 0 AND ( LOWER(brand) LIKE '%texas instruments%' ) [ RunTime:0.016133s ]
SELECT * FROM `stock_pra` WHERE `stockid` = 19144729 [ RunTime:0.001008s ]
SELECT `note` FROM `stock` WHERE `id` = 19144729 LIMIT 1 [ RunTime:0.000299s ]
SELECT `description` FROM `stock` WHERE `id` = 19144729 LIMIT 1 [ RunTime:0.000271s ]
SHOW FULL COLUMNS FROM `icreplace` [ RunTime:0.003500s ]
SELECT `r`.*,`b`.`brandshort`,`b`.`brandcn` FROM `icreplace` `r` LEFT JOIN `stock_brand` `b` ON `b`.`id`=`r`.`icbrandid` WHERE `r`.`partno` = 'UC3846QTR' ORDER BY `r`.`id` DESC LIMIT 5 [ RunTime:0.002964s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `categoryid` = 0 AND ( `partno` > 'UC3846QTR' ) ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.008852s ]
SELECT `id`,`code`,`imgurl`,`minOrderPrice`,`partno`,`brand`,`package` FROM `stock` WHERE `status` = 3 ORDER BY `partno` ASC LIMIT 8 [ RunTime:0.005042s ]

0.633448s

UC3846QTR

购买数量

总价金额： ￥ 2475.14048

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产品参数

PDF描述：Current Mode PWM Controller 电流模式PWM控制器

产品概述

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总价金额：￥ 2475.14048

详细描述：升压，反激，正激转换器，半桥，推挽稳压器正输出升压，升压/降压 DC DC 切换控制器 IC 20-PLCC（9x9）