{"error":{"root_cause":[{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*LM2676,pdf datasheet (High Eff.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1"}],"type":"search_phase_execution_exception","reason":"all shards failed","phase":"query","grouped":true,"failed_shards":[{"shard":0,"index":"recommend_keyword_search_v1","node":"c8Ry91qkQA6igO07LZRl5w","reason":{"type":"query_shard_exception","reason":"failed to create query: {\n \"regexp\" : {\n \"keyword\" : {\n \"value\" : \".*LM2676,pdf datasheet (High Eff.*\",\n \"flags_value\" : 65535,\n \"max_determinized_states\" : 10000,\n \"boost\" : 1.0\n }\n }\n}","index_uuid":"SON-ziQURzKK3JljPlVlCQ","index":"recommend_keyword_search_v1","caused_by":{"type":"illegal_argument_exception","reason":"expected ')' at position 34"}}}]},"status":400}
我在用lm2676看到他的7脚ON/OFF在高电平才能ON,有谁用过的这个IC的,是不是这个脚不接也为ON啊。
2014-08-15 09:29
输入为12V开关电源输入输出需要做个正负6V电源正电压可以用参考设计,问题是负电压能否用LM2676产生?
2019-03-18 07:15
概述:LM2676是美国国家半导体公司生产的一款高效率3A降压稳压器。它有两种7脚封装,一种是TO-263,另外一种是TO-220封装。
2021-05-18 07:27
LM117 LM317A LM317 datasheet pdf3-Terminal Adjustable Regula
2009-11-19 17:53
`lm2676-5.0芯片(5V/3A)调试过程中遇到以下问题:1.常温测试输出电压5.0V,最大输出电流2.5A(负载为2.0欧姆)2.-40摄氏度测试时输出电压4V左右(在负载为2.0欧姆时)请大神指点一二,初次做电源模块,这是按照LM2676-5.0芯片手册
2021-03-11 17:33
LM2596 datasheet pdfSIMPLE SWITCHER? Power Co verter 150 kHz3A Step-Dow Voltage
2009-11-19 16:26
最近我在找DC-DC的电源转换的方案,设计要求:纹波要尽可能的小,12V-5V的芯片电流3A以上,5V-3.3V的芯片电流要1A以上,所有的芯片封装均要贴片的。现在选用LM2676作为12V-5V
2019-03-11 08:23
TLC2543C, TLC2543I datasheet pdf12-BIT ANALOG-TO-DIGITAL CONVERTERSWITH SERIAL CONTROL AND 11
2009-11-27 12:26
IEC TR61400-24 datasheet pdf
2009-11-27 09:43
*附件:RA8D1_Datasheet.pdf
2024-03-20 14:19