XN1049中文
欧洲产品标识号(EAN)为4030661188836的TQ 441-01 01Y-UE-R-M20产

DATASHEETDataOrdering dataProduct type description TQ 441-01/01Y-UE-R-M20 Article number (order number)101160100EAN (European Article Number)4030661188836eCl@ss number, version 12.027-37-12-01eCl@ss number, version 11.027-37-12-01eCl@ss number, version 9.027-37-12-01ETIM number, version 7.0EC002026ETIM number, version 6.0EC002026Approvals - StandardsCertificates cULusGeneral dataGross weight720 gGeneral data - FeaturesLatching YesNumber of normally closed (NC)2Electrical dataSwitching principle Slow action with overlapping contactsOrdering codeProduct type description:TQ 441-(1)(2)-(3)-(4)-(5)-(6)-M20(1)11 1 NO contacts/1 NC contact20 2 NO contacts01/01 1 NC contact for pull wire/1 NC contact for wirebreakage(2)Y IP65X IP54(3)UE With overlapping contacts(4)R With latching(5)S Release by key(6)without Preload force 220 N *-1572Preload force 60 N *-1573Preload force 35 N ** For release paths and forces, see operation andmountingPicturesProduct picture (catalogue individual photo)ID: ktq44f01| 622.0 kB | .jpg | 263.172 x 433.917 mm - 746 x 1230 px - 72 dpi| 58.6 kB | .png | 74.083 x 122.061 mm - 210 x 346 px - 72 dpiDimensional drawing basic componentID: 1tq44g01| 38.2 kB | .cdr || 10.1 kB | .png | 74.083 x 51.858 mm - 210 x 147 px - 72 dpi| 117.7 kB | .jpg | 352.778 x 247.297 mm - 1000 x 701 px - 72 dpiDimensional drawing basic componentID: 1tq44g02| 28.4 kB | .cdr || 4.2 kB | .png | 74.083 x 51.858 mm - 210 x 147 px - 72 dpi| 88.9 kB | .jpg | 352.778 x 247.297 mm - 1000 x 701 px - 72 dpiDimensional drawing basic componentID: 1tq44g03| 26.6 kB | .cdr || 3.7 kB | .png | 74.083 x 51.858 mm - 210 x 147 px - 72 dpi| 84.6 kB | .jpg | 352.778 x 247.297 mm - 1000 x 701 px - 72 dpiAssembly exampleID: ktq44m01| 139.5 kB | .cdr |Schmersal Ltd., Sparrowhawk Close, WR14 1GL MalvernThe details and data referred to have been carefully checked. Images may diverge from original. Further technical data can be found in the manual. Technical amendments and errors possible.Generated on: 26/07/2023, 00:51。
碧云天生物技术 Beyotime Biotechnology Anisomycin (JNK激活剂)

碧云天生物技术/Beyotime Biotechnology订货热线:400-168-3301或800-8283301订货e-mail:******************技术咨询:*****************网址:碧云天网站微信公众号Anisomycin (JNK激活剂)产品编号产品名称包装SC0132-10mM Anisomycin (JNK激活剂) 10mM×0.2mlSC0132-5mg Anisomycin (JNK激活剂) 5mgSC0132-25mg Anisomycin (JNK激活剂) 25mg产品简介:化学信息:化学名[(2R,3S,4S)-4-hydroxy-2-[(4-methoxyphenyl)methyl]pyrrol idin-3-yl]acetate简称Anisomycin别名Flagecidin, NSC76712, NSC 76712, NSC-76712 中文名茴香霉素化学式C14H19NO4分子量265.3CAS号22862-76-6纯度99.0%溶剂/溶解度Water <1mg/ml; DMSO 41mg/ml warmed; Ethanol 17mg/ml warmed溶液配制5mg加入1.88ml DMSO,或每2.65mg加入1ml DMSO,配制成10mM溶液。
SC0132-10mM用DMSO配制。
生物信息:产品描述Anisomycin是一种抗生素,抑制蛋白质合成,也是一种JNK激活剂。
信号通路MAPK靶点JNK ----IC50 -----体外研究Anisomycin(3μM)可降低MDA16和MDA-MB-468细胞中的蛋白质合成,减少MDA-MB-468细胞的集落形成。
Anisomycin可促进MDA-MB-468细胞的凋亡,但不促进MDA16细胞的凋亡。
在MDA-MB-468细胞中,Anisomycin可激活JNK的磷酸化。
N,N-二甲基甲酰胺-化学品安全技术说明书中文SDS文档

化学品安全技术说明书修订日期: SDS编号:产品名称: 版本:N,N-二甲基甲酰胺第一部分化学品及企业标识化学品中文名:N,N-二甲基甲酰胺化学品英文名:N,N-dimethylformamide;DMF供应商名称:化工有限公司供应商地址:金陵市艾草路99号供应商电话:*************邮编:30024供应商传真:*************电子邮件地址:*****************供应商应急咨询电话:*************化学事故应急咨询专线:*************产品推荐及限制用途:主要用作工业溶剂,医药工业上用于生产维生素、激素,也用于制造杀虫脒。
第二部分危险性概述紧急情况概述:易燃液体和蒸气。
GHS危险性类别:易燃液体-类别3;严重眼损伤/眼刺激-类别2;生殖毒性-类别1B 标签要素:象形图:警示词:危险危险信息:H226:易燃液体和蒸气H319:造成严重眼刺激H360:可能对生育能力或胎儿造成伤害(如果已知,说明特异性效应;如果确证无其他接触途径引起危害,说明接触途径)防范说明:预防措施:P210:远离热源/火花/明火/热表面。
禁止吸烟。
P233:保持容器密闭。
P240:容器和接收设备接地/等势联接。
P241:使用防爆的电气/通风/照明/……/设备。
P242:只能使用不产生火花的工具。
P243:采取防止静电放电的措施。
P280:戴防护手套/穿防护服/戴防护眼罩/戴防护面具。
P264:作业后彻底清洗……。
P201:使用前获特别指示。
P202:在明白所有安全防范措施之前请勿搬动。
应急响应:P303+P361+P353:如皮肤(或头发)沾染:立即脱掉所有沾染的衣服。
用水清洗皮肤/淋浴。
P370+P378:火灾时,使用……灭火。
P305+P351+P338:如进入眼睛:用水小心冲洗几分钟。
如戴隐形眼镜并可方便地取出,取出隐形眼镜。
继续冲洗。
P337+P313:如仍觉眼刺激:求医/就诊。
pdf4-2009检索氮化碳

pdf4-2009检索氮化碳
PDF4-2009检索氮化碳
氮化碳是一种具有高硬度、高热导率、高化学稳定性和高电子饱和迁移率等优异性能的宽禁带半导体材料。
在PDF4-2009中,氮化碳被广泛用于制造高温、高压、高频和宽带器件,如光电器件、微波器件和集成电路等。
氮化碳在PDF4-2009中的检索主要包括以下几个方面:
氮化碳的晶体结构和性质:氮化碳的晶体结构为六方晶系,具有高硬度、高热导率和良好的化学稳定性。
在PDF4-2009中,可以检索到氮化碳的晶体结构、热力学性质、弹性常数和力学性质等信息。
氮化碳的合成方法:氮化碳可以通过多种方法合成,如高温高压合成、化学气相沉积、激光脉冲合成等。
在PDF4-2009中,可以检索到各种合成方法的原理、实验条件和制备过程等信息。
氮化碳的应用领域:氮化碳在多个领域都有广泛的应用,如光电器件、微波器件、集成电路和高温材料等。
在PDF4-2009中,可以检索到氮化碳在这些领域的应用情况、性能优势和潜在应用等信息。
氮化碳的物理和化学性质:氮化碳具有高硬度、高热导率、高化学稳定性和高电子
饱和迁移率等优异性能。
在PDF4-2009中,可以检索到氮化碳的物理和化学性质、光谱特征和反应活性等信息。
总之,PDF4-2009为氮化碳的检索提供了全面的信息,有助于深入了解氮化碳的性质和应用。
NVivo10-质性研究软件中文指南

安装和激活 NVivo . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
最低的配置要求 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
NVivo 和质的研究 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
NVivo 支持什么方法论? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
书目数据 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
材料来源分类 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
楚杂999油菜种审定编号

楚杂999油菜种审定编号英文回答:楚杂999 Oilseed Rape.Approval Number: 2002044。
Applicant: Hunan Academy of Agricultural Sciences.Approval Date: 2002-04-10。
Main Characters:High yield, lodging resistance, and disease resistance.Suitable for cultivation in the Yellow and Yangtze River valleys and southwestern China.Good quality with high oil content.Agronomic Traits:Plant height: 150-170 cm.Branching: moderate.Leaf color: green.Flowering period: mid-March to early April.Maturity period: mid-May to early June.Yield: 4,500-5,000 kg/ha.Resistance:Resistant to Alternaria blight, Sclerotinia stem rot, and powdery mildew.Cultivation Techniques:Sowing time: September to October.Sowing density: 75,000-90,000 plants/ha.Fertilization: Apply 150-180 kg/ha of nitrogen, 90-120 kg/ha of phosphorus, and 90-120 kg/ha of potassium.Water management: Keep the soil moist during the seedling stage and flowering stage.Disease and pest control: Spray pesticides as needed to control diseases and pests.中文回答:楚杂999油菜。
可布拉尔公司 Husky 1041 多用途净化剂说明书

CANBERRA CORPORATIONSAFETY DATA SHEET1. IdentificationProduct Identifier: HUSKY 1041 MULTI-PURPOSE REJUVENATORApplication or recommended use: Floor cleaner/restorerRestrictions on use: Do not use in any fashion not specified on the product label.Manufacturer / supplier: Canberra Corporation3610 N. Holland-Sylvania Rd.Toledo, Ohio 43615 USATelephone: 419-841-6616Emergency phone: 800-832-8992 National Poison Center: 800-222-12222. Hazards IdentificationGHS Classification: Classification of this mixture in accordance with paragraph (d) of §1910.1200.Eye Damage/Irritation - Category 2ALabel Elements:Symbol:Signal word: WARNINGHazard statements: Causes serious eye irritation.Precautionary statements: Wash hands, face and any skin contact thoroughly after handling.Wear eye protection/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if presentand easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.Other Hazards: None known3. Composition / Information on IngredientsChemical characterization: Mixture of water, detergents and auxiliary agents.Hazardous ingredients: The exact percentage of composition has been withheld as a trade secret.1 - 5% Cocodiethanolamide CAS 68603-42-9, EINECS/ELINCS 271-657-0Other ingredients (> 1%):1 - 5% Polyethylene wax CAS 9002-88-4, EINECS/ELINCS N/A> 90% Water CAS 7732-18-5, EINECS/ELINCS 231-791-24. First-Aid MeasuresSymptoms: Irritation of affected areas. Causes serious eye irritation.Have the product container or label with you when calling a poison control center or doctor, or going for treatment. Inhalation: Move person to fresh air. If respiratory irritation or dizziness occurs, seek immediate medical assistance.Skin Contact: Remove contaminated clothing and wash before reuse. Wash contaminated area with soap and water for 15-20 minutes. If skin irritation occurs, get medical advice/attention.Eye Contact: Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after first 5 minutes, then continue rinsing eye. If eye irritation persists, get medical advice/attention.Ingestion: Call a poison control center or doctor immediately for treatment advice. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by the poison control center or doctor. Do not give anything by mouth to a person who is unconscious or convulsing. If vomiting occurs, keep head below hips to reduce risk of aspiration.Note to Physician: Treat exposed patients symptomatically.5. Fire-Fighting MeasuresSuitable Extinguishing Media: Not applicable. Product is not a fire hazard.Unsuitable Extinguishing Media: High pressure water jet. Specific hazards in case of fire: None known.Special Fire Fighting Precautions: Fire fighters should wear appropriate protective equipment, including self-contained breathing apparatus and impervious clothing.6. Accidental Release MeasuresEmergency Procedures: Depending on the extent of release, consider the need for restriction of access to spill area. Personal Precautions: Do not eat, drink or smoke during clean up. Wear protective clothing, eye protection and impervious gloves (e.g. neoprene). Wash thoroughly after clean up.Environmental Precautions: Prevent spills from entering storm sewers/drains or contact with soil.6. Accidental Release Measures (cont.)Clean up Methods: Small spills may be wiped up and rinsed with water. For larger spills, contain spill with inert material (sand, clay). Transfer material to labeled containers for recovery or proper disposal. After removal, flush area with water. Follow good industrial hygiene practices.7. Handling and StoragePrecautions for Safe Handling: Read label before use. Avoid contact with skin or eyes. Wash hands, face and any skin contact thoroughly after handling. Do not eat, drink or smoke when using this product. Wear protective gloves, protective clothing, eye protection, face protection. Use product only according to label directions. If unsure about safe use, contact your supervisor immediately.Conditions for Safe Storage: Keep out of reach of children. Do not contaminate water, food or feed by storage and disposal. Store in tightly closed, original container in a cool (10˚ - 30˚C), dry area.Incompatibility: None known.8. Exposure Controls / Personal ProtectionComponents with occupational exposure limits: NoneEngineering Controls: Proper ventilation in accordance with good industrial hygiene should be provided.Personal Protective EquipmentRespiratory: Respiratory protection is not necessary under normal conditions of use.Gloves: Recommended.Eye Protection: Chemical resistant goggles recommended.Other: Protective clothing (long sleeves, pants), eyewash, safety shower are always advisable when working with chemicals.9. Physical and Chemical PropertiesPhysical State - Liquid Auto-ignition temperature - Not applicableColor - White Flash Point - NoneOdor - Clean & Fresh Flammability - Not applicableOdor Threshold - No data available Flammability Limits - Not applicableBoiling Point - 212°F Partition coefficient - Not applicableDecomposition temperature - No data available Solubility (Water) - CompleteFreezing Point - 32°F Vapor Density - No data availablepH (Neat) - 9.5 - 10.5 Vapor Pressure - No data availablepH (RTU) - 8.5 - 10.5 Viscosity - Water thinRelative Density - 1.005 % VOC - < 0.4 (Excluding exempt material) Evaporation Rate -Similar to water10. Stability and ReactivityReactivity: No specific reactivity test data is available for this mixture. Under normal conditions of storage and use, hazardous reactions are not expected. Incompatible materials: Oxidizers.Chemical stability: This product is stable at ambient temperatures and pressures.Conditions to avoid: Temperatures above 50°C or below 10°C.Hazardous decomposition products: None known.11. Toxicological InformationAcute Toxicity: Toxicity data is not available for this mixture. Data below are estimates based on summation methods.Test Results Classification (A.0.4.1(c)) Basis (A.1.3.6.1)Oral > 2000mg/kg Not applicable Ingredient literature (Additive formula)Dermal > 2000mg/kg Not applicable Ingredient literature (Additive formula)Inhalation > 20 mg/L Not applicable Ingredient literature (Additive formula)Eye Damage/Irritation Irritation Category 2A Ingredient literatureSkin Damage/Irritation Not applicable Not applicable Ingredient literatureSummary: Skin and eye contact are most likely routes of exposure. Causes eye irritation.Subchronic/Chronic Toxicity:Test Results Classification BasisSkin Sensitization Not a sensitizer Not applicable Ingredient literature.Summary: Repeated or prolonged contact causes eye irritation.Carcinogens - Ingredients are not listed on IARC Monographs or by OSHA. Cocodiethanolamide is listed on the NTP Report on Carcinogens. Other data - No other toxicological information is available for this mixture.12. Ecological InformationThis material has not been tested for acute environmental effects.Persistence and degradability: Material is not persistent. All organic components > 1% are readily biodegradable.Bio-accumulative potential: No evidence to suggest bio-accumulation will occur.Mobility: Accidental spillage may lead to penetration of soil and groundwater.13. Disposal ConsiderationsDo not contaminate water, food or feed by disposal. If these materials cannot be disposed of by use according to label directions, contact your State Environmental Control Agency, or the hazardous waste representative at the nearest EPA Regional Office for guidance. Rinse container promptly after emptying. Then offer for recycling or reconditioning, or puncture and dispose of in a sanitary landfill. If container is one gallon or less, wrap empty container in plastic bag and discard in trash.14. Transport InformationProper Shipping Name: Not regulated RQ - Not ApplicableShipping emergency phone: 800-424-9300Transport hazard class: Not Applicable Hazard Label: Not ApplicablePacking Group: Not Applicable Emergency Guide No.: Not Applicable Marine Pollutant: No15. Regulatory InformationInventory status: All components are listed on TSCA(US), EINECS/ELINCS(EU), DSL(Canada), AICS(Australia),ENCS(Japan).OSHA Hazard Communication Standard: This product meets the §1910.1200 definition of a "Hazardous Chemical". Superfund Amendments and Reauthorization Act of 1986 Title III (EPCRA) Sections 311 and 312Immediate (Acute) Health Hazard Yes Delayed (Chronic) Health Hazard NoFire Hazard No Reactive Hazard NoSudden Release of Pressure Hazard NoSuperfund Amendments and Reauthorization Act of 1986 Title III (EPCRA) Section 313*Chemicals marked with an asterisk in “3. Composition/Information on Ingredients” are subject to reporting requirements for Section 313 of Title III of the Superfund Amendments and Reauthorization Act (SARA) of 1986 and 40CFR Part 372. Pennsylvania/New Jersey/Massachusetts Right to KnowSee “3. Composition/Information on Ingredients” for hazardous and top five ingredients over 1% (w/w).California Proposition 65: This product contains cocodiethanolamide, a substance known to the State of California to cause cancer, birth defects or other reproductive harm, at a level which requires a warning under the statute.16. Other informationDate issued: 31. 12. 2014 F1140-001 Revision: N/ADisclaimer: No representation or warranty, either expressed or implied, of merchantability, fitness for a particular purpose, or of any other nature, is made with respect to information concerning the product referred to in this document. The information contained herein is, to the best of our knowledge and belief, accurate. However, since the conditions of handling and use are beyond our control, it is impossible to foresee every health effect or exposure risk incurred by the use of this product. All chemicals present some degree of hazard and should be used with caution. The information and recommendations contained herein are presented in good faith. The user should review this information in conjunction with their knowledge of the application intended to determine the suitability of this product for such purpose. In no event will the supplier be responsible for any damages of any nature whatsoever, resulting from the use, reliance upon, or the misuse of this information. Furthermore, it is the direct responsibility of the user to comply with all applicable regulations governing the use and disposal of this material. Prepared by: R&D,Canberra Corporation。
极合牛小排分类编码

极合牛小排分类编码
极合牛小排分类编码是一种在食品行业中广泛使用的编号分类
方式,它分为三大分类,分别是牛肉片、牛排和牛小排。
以下是有关极合牛小排分类编码的详细介绍。
牛肉片编码包括:1-20代表牛肉片;可以根据配料的不同将牛肉片划分为原味、辣味、芫荽和是非等4种口味,21-30代表辣味;31-40代表芫荽口味;41-50代表原味等。
牛排编码:51-65代表牛排;可以根据配料的不同将牛排划分为牛排汉堡包、牛排三明治等,66-80代表牛排汉堡包;81-95代表牛排三明治;97-100代表牛排其他。
牛小排编码:101-115代表牛小排;可以根据配料的不同将牛小排划分为巴西牛小排、日式牛小排等,116-130代表巴西牛小排;131-145代表日式牛小排;147-150代表牛小排其他。
极合牛小排分类编码在食品行业中使用较为广泛,可以帮助餐馆服务人员快速查找顾客需要的菜品,也有助于检查现场营养调查的数据。
使用极合牛小排分类编码可以方便的管理餐馆的菜单、有效的查询信息、提高服务质量,同时也有助于提升食品提供者的工作效率,是一种非常有效的经营管理方式。
此外,极合牛小排分类编码同样也给行业提供一种统一的标准,可以帮助消费者更准确地确定食物的品种,方便参考营养成分和食品标签。
同时,还可以为食品行业提供一种客观和全面的衡量标准,从而有助于提高食品的安全和质量。
总之,极合牛小排分类编码在食品行业的应用是相当重要的,它可以为消费者提供一个安全、高效的查询服务,同时也有助于食品行业整体提高生产效率和质量。
随着科学技术的发展,极合牛小排分类编码也会不断改进和完善,从而帮助食品行业取得更大的发展。
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概述
XN1049 开关电源控制器集成电路
XN1049 是一款高集成度、高性能的电流模式 PWM 控制器芯片。适用于电源适配器等中小功率的开关 电源设备。 为了降低待机功耗,满足更高的绿色环保标准,芯 片提供了脉冲模式(Burst Mode)功能、极低的启 动电流和工作电流。脉冲模式即在轻载或者无负载 情况下,XN1049 可以线性地降低芯片的开关频率, 因此减少开关的损耗;同时通过优化设计,XN1049 具有极低的启动电流和工作电流,不仅有利于启动 电路设计,而且启动电路中可以使用大阻值的启动 电阻,以降低功耗,提高功率转换效率。 XN1049 内置的同步斜坡补偿电路,防止 PWM 控 制器在高占空比工作时候可能产生的谐波振荡。 XN1049 在电流采样输入引脚端内置了前沿消隐功 能,能有效去除电流反馈信号中的毛刺。有助于减 少外部元器件数量,降低系统的整体成本。 XN1049 提供了多种全面的可恢复保护模式,其中 包括:逐周期电流限制保护(OCP)、过载保护 (OLP)、VDD 电压的过压嵌位、以及低压关闭 (UVLO)。其中,为了更好的保护外部 MOSFET 功率管,栅极驱动输出电压被嵌位在 18V。 XN1049在图腾柱栅极驱动输出端使用了频率抖 动技术和软开关控制技术,可以很好的改善开关 电源系统的EMI性能。通过优化设计,当芯片的 工作频率低于20KHz的情况下,音频能量可以降低 到最小值。因此,音频噪声性能可以获得很大的改 善。 XN1049芯片可以作为线性电源或者RCC模式电源 的最佳替代产品,从而提高开关电源系统的整体性
5 35 65 95 125 Temperature(℃)
◎西安英洛华微电子有限公司 DS.XN1049V1.0
第7页
2008 年 6 月
功能描述
XN1049开关电源控制器集成电路
XN1049 是一款高集成度、高性能的电流模式 PWM 控制器芯片。适用于电源适配器等中小功率(30W) 的开关电源设备与开关电源转换器。极低的启动电 流与工作电流、以及轻载或者无负载情况下的 burst mode 功能,都能有效的降低开关电源系统的待机 功耗,提高功率转换效率。内置的同步斜坡补偿、 反馈引脚的前沿消隐等功能不仅能减少开关电源 系统的元器件数目,还增加了系统的稳定性,避免 谐波振荡的产生。XN1049 还提供了多种全面的可 恢复保护模式。主要特点功能描述如下。
极限参数
XN1049开关电源控制器集成电路
符号(symbol)
参数(parameter)
极限值
单位(unit)
VDD
DC 供电电压
30
V
VFB
FB 引脚输入电压
-0.3~7
V
VSENSE
SENSE 引脚输入电压
-0.3~7
V
VRI
RI 引脚输入电压
-0.3~7
V
TJ
工作结温
-20~150
℃
TSTG
I_Vdd(mA)
I_Vdd vs Gate load
5
4
50KHz
3 2 1
65KHz 100KHz
0
0 500 1000 1500 2000
load(pF)
Fosc(KHz)
Fosc vs Temperature
65.5 65.0 64.5 64.0 63.5 63.0 62.5 62.0
-25
应用
通用的开关电源设备以及离线 AC/DC 反激式电源 转换器:
电源适配器 机顶盒电源 开放式开关电源 电池充电器
◎西安英洛华微电子有限公司 DS.XN1049V1.0
第1页
2008 年 6 月
典型应用图
XN1049开关电源控制器集成电路
引脚定义与器件标识
XN1049 提供了 8-Pin 的 DIP8 和 SOP8 封装,以及 6-Pin 的 SOT23-6 封装,顶层如下图所示:
Oscillator Section
GATE wபைடு நூலகம்th 1nF to GND FB=3V
Fosc
Frequency
Oscillation @RI=100K,CS=0,FB=3V
Fosc_BM
Burst mode frequency
Oscillation @RI=100K,CS=0,FB=1.1V
∆f_temp
VDD 供电电压 RI 电阻值 操作温度
值(value)
10~30 100 -20~85
单位(unit)
V Kohm ℃
符号(symbol)
VESD-HBM VESD-MM
参数(parameter)
人体模型 机器模型
值(value)
3 150
单位(unit)
KV V
◎西安英洛华微电子有限公司 DS.XN1049V1.0
工作电流
XN1049 具有很低的的工作电流(1.4mA)。低工作 电流,以及 burst mode 控制电路可以有效地提高开 关电源的转换效率;并且可以降低对 VDD 保持电 容的要求。
I_VDD_ST
Start up current
VDD=13V,RI=100K
I_VDD_OP Operation Current
VDD=16V,RI=100K,VFB=3V, GATE with 1nF to GND
VDD_Clamp VDD Zener Clamp Voltage IVDD=10mA
-25
5 35 65 95 125 Temperature(℃)
IVDD(uA)
IVDD vs VDD
1.2 1
0.8 0.6 0.4 0.2
0 0
10
20
30
VDD(V)
IVDD_startup(uA)
IVDD_startup vs VDD
20 15 10
5 0
0 2 4 6 8 10 12 14 VDD(V)
XN1049开关电源控制器集成电路
18
V
VDD = 16V, GATE with 1nF to
200
ns
GND
VDD = 16V, GATE with 1nF to
70
ns
GND
◎西安英洛华微电子有限公司 DS.XN1049V1.0
第6页
2008 年 6 月
典型特征参数
XN1049开关电源控制器集成电路
UVLO(ON)(V)
UVLO(ON) vs Temperature
8.80 8.75 8.70 8.65 8.60 8.55
-25
5 35 65 95 125 Temperature(℃)
UVLO(OFF)(V)
UVLO(OFF) vs Temperature
14.05 14.00 13.95 13.90 13.85 13.80
VOL
Output voltage Low
VDD = 16V, Io = -20mA
VOH
Output voltage high
VDD = 16V, Io = 20mA
◎西安英洛华微电子有限公司 DS.XN1049V1.0
第5页
Min Typ Max Unit
30 V
7.5 8.5 9.5 V
13.5 14.3 15.5 V
4
20 uA
1.4 2.4 mA
33
V
4.5 4.9 5.5 V
0.8
mA
3.65
V
47
ms
6
kΩ
75
%
330
ns
40
kΩ
120
ns
0.70 0.75 0.80 V
60 65 70 khz
22
khz
5
%
5
%
2
V
50 100 150 kΩ
0.8 V
10
V
2008 年 6 月
VClamp Tr Tf
Output clamp voltage Rising time Falling time
空引脚 反馈输入
地
功能说明
图腾柱栅极驱动输出引脚。用于驱动外接的 MOSFET 开关管 电源 悬空引脚 电流监测反馈输入引脚。用于判断是否达到限流值。 内部振荡频率设定引脚。RI 和 GND 之间所接的电阻决定芯片的 工作频率。 悬空引脚 反馈输入引脚。其输入电平值与 4 脚的电流侦测值共同确定 PWM 控制信号的占空比。如果 FB 端的输入电压大于某个设定 的阈值电压,则内部的保护电路会自动关断 PWM 输出。 地
电路内部结构框图
GND
RI
VDD
clamp 电路
UVLO
内部电源 产生电路
振荡器 触发器和
逻辑
PWM比较器
软开关 控制电路
驱动 输出
OCP 比较电路
斜坡 补偿
前沿消隐 电路
过载 保护
Burst Mode
分压器
GATE SENSE FB
◎西安英洛华微电子有限公司 DS.XN1049V1.0
第3页
2008 年 6 月
能,并有效地降低系统成本。 XN1049 提供 8-Pin 的 SOP8 与 DIP8,以及 6-Pin 的 SOT23-6 的封装形式。
特点
Burst Mode 功能 低启动电流(4uA) 低工作电流(1.4mA) 内置前沿消隐 内置同步斜坡补偿 电流模式工作 外部可编程的 PWM 开关频率 逐周期电流限制保护(OCP) VDD 过压嵌位保护 低电压关闭功能(UVLO) 栅驱动输出电压嵌位(18V) 频率抖动功能 恒定输出功率限制 过载保护(OLP) 工作时不产生音频噪声