IR3082AMPBF;IR3082AMTRPBF;中文规格书,Datasheet资料

er308二极管参数好，今天我们来聊聊一个大家可能听过但不太了解的小东西——ER308二极管。

别急，我知道你现在可能一脸茫然，想说：“这玩意儿是什么鬼？”放心，我会慢慢告诉你，带点儿轻松的节奏，你也能理解。

其实，说到这个东西，我脑袋里还真浮现出一个小故事，这个故事和我自己的一次亲身体验有点关系。

你准备好了吗？我们慢慢聊。

那是一个星期天的下午，我和几个朋友在车库里搞DIY项目。

说白了，就是想把一台旧电视改装成一个可以播放视频的复古电视机。

我们这群人虽然喜欢折腾，但其实对一些细节还是挺模糊的。

就拿ER308二极管来说，虽然听起来像是电子技术大牛的专属名词，但其实它就在我们那台电视里发挥着关键作用。

那时候，我们只知道这玩意儿是个保护元件，好像是为了防止电路损坏，反正就是很重要，至于具体作用是什么，我们也没太搞懂。

于是我就开始在网上搜索资料，结果发现，ER308二极管原来是半导体二极管的一种，通常用来作为电源的保护，避免逆向电流的影响。

这种二极管最大的特点就是它的“恢复能力”强，能很快地把电流调节回来，不会让电路因过载或不稳定的电流而损坏。

它的名字其实没什么神秘的，ER就是“有效恢复”（Effective Recovery）的缩写。

当时，我们的目标很明确：搞清楚这二极管的参数，看看它能不能真的保护我们的电路不被烧坏。

于是，我开始盯着一个ER308的技术参数看了好久。

起初，看到上面一堆让人眼花缭乱的数字和单位，我差点直接放弃，想说“算了，反正它能保护电路就行”。

但越看越觉得，这些参数是关键，特别是最大反向电压、正向电流、以及恢复时间这些数值，决定了它在电流过大时是能快速反应，还是慢吞吞地让电路烧掉。

比如，ER308的最大反向电压通常在100V左右，正向电流则能承受到几百毫安，这些都决定了它的耐用性和保护能力。

如果你把它装在一个电路上，万一电流反向，它能迅速“关闭”电路，不让坏电流侵入，让电路免受损害。

说白了，这个小小的二极管，几乎是我们电视重生的关键所在。

ir2117strpbf规格书
（原创版）
目录
1.产品概述
2.产品规格
3.功能特性
4.应用领域
5.安全与环保
6.客户支持
正文
【产品概述】
ir2117strpbf 是一款高性能、低功耗的电源管理芯片，适用于各种电子设备和系统。

该芯片的设计旨在为用户提供可靠、高效的电源解决方案，满足现代电子产品对能源管理的高要求。

【产品规格】
ir2117strpbf 的规格如下：
- 输入电压范围：3.3V to 5V
- 输出电压范围：1.8V to 5.5V
- 最大输出电流：3A
- 工作温度范围：-40°C to +85°C
- 封装形式：SOP-8
【功能特性】
ir2117strpbf 具有以下功能特性：
- 高效率：在轻载条件下，该芯片的效率可达到 90% 以上，有助于降低系统功耗。

- 输出电压可调：用户可通过调整外部电阻来设定输出电压，以满足不同应用场景的需求。

- 短路保护：芯片内置短路保护功能，可在短路发生时快速切断输出，保护电路安全。

- 过温保护：当芯片温度超过设定值时，会自动切断输出，以防止过热损坏。

【应用领域】
ir2117strpbf 广泛应用于各种电子设备和系统中，如：
- 移动通信设备
- 消费类电子产品
- 工业控制设备
- 电脑周边设备
【安全与环保】
ir2117strpbf 在设计和生产过程中严格遵循国家和行业的安全与环保标准，确保产品在使用过程中对用户和环境无害。

FEATURES∙ Peak efficiency up to 93.2% at 1.2V∙ Integrated driver, control MOSFET, synchronous MOSFET and Schottky diode ∙ Input voltage (VIN) operating range up to 15V ∙ Output voltage range from 0.25V up to 3.3V ∙ Output current capability of 40A DC ∙ Operation up to 1.0MHz∙ Integrated current sense amplifier ∙ VCC under voltage lockout ∙ Thermal flag∙ Body-Braking® load transient support ∙ Diode-emulation high efficiency mode∙ Compatible with 3.3V PWM logic and VCC tolerant ∙ Compliant with Intel DrMOS V4.0∙ PCB footprint compatible with IR3550 and IR3551 ∙ Efficient dual sided cooling∙ Small 4mm x 6mm x 0.9mm PQFN package ∙ Lead free RoHS compliant packageAPPLICATIONS∙ Voltage Regulators for CPUs, GPUs, and DDR memory arrays ∙ High current, low profile DC-DC convertersDESCRIPTIONThe IR3553 integrated PowIRstage® is a synchronous buck gate driver co-packed with a control MOSFET and a synchronous MOSFET with integrated Schottky diode. It is optimized internally for PCB layout, heat transfer and driver/MOSFET timing. Custom designed gate driver and MOSFET combination enables higher efficiency at lower output voltages required by cutting edge CPU, GPU and DDR memory designs.Up to 1.0MHz switching frequency enables high performance transient response, allowing miniaturization of output inductors, as well as input and output capacitors while maintaining industry leading efficiency. The IR3553’s superior efficiency enables smallest size and lower solution cost. The IR3553 PCB footprint is compatible with the IR3550 (60A) and the IR3551 (50A).Integrated current sense amplifier achieves superior current sense accuracy and signal to noise ratio vs. best-in-class controller based Inductor DCR sense methods. The IR3553 incorporates the Body- Braking® feature which enables reduction of output capacitors. Synchronous diode emulation mode in the IR3553 removes the zero-current detection burden from the PWM controller and increases system light-load efficiency.The IR3553 is optimized specifically for CPU core power delivery in server applications. The ability to meet the stringent requirements of the server market also makes the IR3553 ideally suited to powering GPU and DDR memory designs and other high current applications.PINOUT DIAGRAMFigure 3: IR3553 Pin Diagram, Top ViewORDERING INFORMATIONTYPICAL APPLICATION DIAGRAMIOUTVCC BBRK#REFINVOUTFigure 4: Application Circuit with Current Sense AmplifierTYPICAL APPLICATION DIAGRAM (CONTINUED)VCC BBRK#VOUTFigure 5: Application Circuit without Current Sense AmplifierFUNCTIONAL BLOCK DIAGRAMPHSFLT#REFINPWM VIN SWSW SW SW SWSW TGND BOOST IOUT VCCBBRK#GATEL CSIN+LGNDPGNDFigure 6: IR3553 Functional Block DiagramPIN DESCRIPTIONSABSOLUTE MAXIMUM RATINGSStresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications are not implied.Note:1. Maximum BOOST – SW = 8V.2. Maximum VIN – SW = 25V.3. All the maximum voltage ratings are referenced to PGND (Pins 12 and 13).Note:1. Thermal Resistance (θJA) is measured with the component mounted on a high effective thermal conductivity test board in free air.Refer to International Rectifier Application Note AN-994 for details.ELECTRICAL SPECIFICATIONSThe electrical characteristics involve the spread of values guaranteed within the recommended operating conditions. Typical values represent the median values, which are related to 25°C.RECOMMENDED OPERATING CONDITIONS FOR RELIABLE OPERATION WITH MARGINELECTRICAL CHARACTERISTICSNotes1. Guaranteed by design but not tested in production2.V IN=12V, V OUT=1.2V, ƒSW = 300kHz, L=210nH (0.2mΩ), VCC=6.8V, C IN=47uF x 4, C OUT =470uF x3, 400LFM airflow, no heat sink, 25°Cambient temperature, and 8-layer PCB of 3.7” (L) x 2.6” (W). PWM controller loss and inductor loss are not included.3. V IN=12V, V OUT=1.2V, ƒSW = 400kHz, L=150nH (0.29mΩ), VCC=7V, C IN=47uF x 4, C OUT =470uF x3, no airflow, no heat sink, 25°C ambienttemperature, and 8-layer PCB of 3.7” (L) x 2.6” (W). PWM controller loss and inductor loss are not included.TYPICAL OPERATING CHARACTERISTICSCircuit of Figure 32, V IN =12V, V OUT =1.2V, ƒSW = 400kHz, L=150nH (0.29m Ω), VCC=7V, T AMBIENT = 25°C, no heat sink, no air flow, 8-layer PCB board of 3.7” (L) x 2.6” (W), no PWM controller loss, no inductor loss, unless specified otherwise.TYPICAL OPERATING CHARACTERISTICS (CONTINUED)Circuit of Figure 32, V IN =12V, V OUT =1.2V, ƒSW = 400kHz, L=150nH (0.29m Ω), VCC=7V, T AMBIENT = 25°C, no heat sink, no air flow, 8-layer PCB board of 3.7” (L) x 2.6” (W), no PWM controller loss, no inductor loss, unless specified otherwise.Figure 13: Normalized Power Loss vs. VCC Voltage Figure 14: Power Loss vs. Output Inductor Figure 15: VCC Current vs. Switching FrequencyFigure 16: Switching Waveform, I OUT = 0AFigure 17: Switching Waveform, I OUT = 40AFigure 18: PWM to SW Delays, I OUT = 10APWM 2V/divSW 5V/div40ns/divPWM 5V/divSW 5V/divGATEL 10V/div400ns/divPWM 5V/divSW 5V/divGATEL 10V/div400ns/div分销商库存信息: IRIR3553MTRPBF。

EVERLIGHT ELECTRONICS CO.,LTD.Technical Data SheetInfrared Remote-control Receiver ModuleIRM-H2xxT/TR2 SERIESFeatures‧High shielding against electric field disturbance. ‧Low voltage and low power consumption. ‧Very small sizes.‧External dimensions 5.10(L)*4.60(W)*1.45(H)mm. ‧High immunity against ambient light. ‧Photodiode with integrated circuit. ‧TTL and CMOS compatibility. ‧High sensitivity. ‧Top-received SMD.‧Suitable burst length ≧10 pulses/burst.‧RoHS refer to IRM-Vxxx,Hxxx series SGS report ‧Pb free.DescriptionsThe device is a miniature SMD type infrared remote control system receiver that has been developed anddesigned by utilizing the most updated IC technology. The PIN diode and preamplifier are assembled on PCB, the epoxy package is designed as an IR filter. The demodulated output signal can directly be decoded by a microprocessor.Applications1. Optical switch2. Light detecting portion of remote control․AV instruments such as Audio, TV, VCR, CD, MD, etc. ․Home appliances such as Air-conditioner, Fan , etc. ․The other equipments with wireless remote control. ․CATV set top boxes ․Multi-media EquipmentDevice Selection GuidePARTMATERIAL COLORChip Silicon --- Package Epoxy Black Metal caseSPCCSilver white亿光一级代理商超毅电子亿光一级代理商超毅电子IRM-H2xxT/TR2 SERIES Available Types For Different Carrier FrequenciesType Carrier Frequencies (Typ)IRM-H236T/TR2 36kHz IRM-H238T/TR2 38kHz IRM-H240T/TR2 40kHz Absolute Maximum Ratings (Ta=25℃)Parameter Symbol Rating Unit NoticeSupply Voltage Vcc 6 V Operating Temperature Topr -25 ~ +80 ℃Storage Temperature Tstg -40 ~ +85 ℃Recommended Operating ConditionSupply Voltage Rating: Vcc 2.7V to 5.5VElectro-Optical Characteristics (Ta=25℃, Vcc = 3V)Parameter SymbolMIN.TYP.MAX.UnitCondition Supply Current Icc --- --- 3 mA No signal input Peak Wavelength λp--- 940 --- nm ---L08 --- ---Reception DistanceL45 5 --- ---m ---Half Angle(Horizontal) Θh--- 45 --- deg At the ray axis*1Half Angle(Vertical) Θv--- 45 --- degHigh Level Pulse Width T H400 --- 800 μs Low Level Pulse Width T L400 --- 800 μs At the ray axis*2High Level Output Voltage V H 2.7 --- --- V Low Level Output Voltage V L--- 0.2 0.5 V Notes:*1：The ray receiving surface at a vertex and relation to the ray axis in the range of θ= 0° and θ=45°.*2：A range from 30cm to the arrival distance. Average value of 50 pulses.IRM-H2xxT/TR2 SERIES The Notice of Application:Transmission remote control signal consist of four parts: Encode Part, IR Transmitter Source, IRM device, Decode Part1. When IRM-H2xxT code select frequency, it need to well understand the center system ofencode part.2. Strong or weak light of IR Transmitter can affect distance of transmission.3. Minimum Burst Length T burst (number of pulses per burst) : 10 cycles4. It needs to ensure the translation range of decode part if it is applied to the pulse-width range. If the above items hardly assure of its application, it’ll cause NG(no good) message from the edge of signal.Note: This model might not work well with RCA code.Test Method：The specified electro-optical characteristics is satisfied under the followingConditions at the controllable distance.c Measurement placeA place that is nothing of extreme light reflected in the room.d External lightProject the light of ordinary white fluorescent lamps which are not highFrequency lamps and must be less then 10 Lux at the module surface.(Ee≦10Lux)e Standard transmitterA transmitter whose output is so adjusted as to Vo=400mVp-p and the outputIRM-H2xxT/TR2 SERIESApplication Circuit：RC Filter should be connected closely between Vcc pin and GND pin.IRM-H2xxT/TR2 SERIESFig.-6 Output Pulse Length vs. Arrival Distance Fig.-7 Arrival Distance vs. Supply VoltageIRM-H2xxT/TR2 SERIES Typical Electro-Optical Characteristics CurvesFig.-8 Arrival Distance vs. Ambient Temperature Fig.-9 Relative Transmission Distance Fig.-9 Relative Transmission Distance vs. Center Carrier FrequencyIRM-H2xxT/TR2 SERIESReliability Test Item And ConditionThe reliability of products shall be satisfied with items listed below.Confidence level：90%LTPD：10%Reflow Terms: JEDEC Level 4 SpecificationDrying; Temp.:125℃ 24hrs Æ Moisture 30℃/ 60% RH 96hrs Æ Reflow Temp.: 260℃±5℃10sec, 3 timesNote:1. Not sooner than 15 minutes and not longer than 4 hours after removal from thetemperature/humidity chamber.2. The time between reflow shall be 5 minutes minimum and 60 minutes maximum.IRM-H2xxT/TR2 SERIESRecommended method of storageDry box storage is recommended as soon as the aluminum bag has been opened prevent moisture absorption. The following conditions should be observed, if dry boxes are not available:Storage temperature 10℃ to 30℃Storage humidity ≦60%RH max.After more than 72 hours under these conditions moisture content will be too high for Reflow soldering:In case of moisture absorption, the devices will recover to former condition by drying under the following condition:192 hours at 40℃+5℃/-0℃and 5%RH (dry air / nitrogen) or96 hours at 60℃+5℃and < 5%RH for all device containers or24 hours at 125℃+5℃not suitable for reel or tubes.ESD PrecautionProper storage and handing procedures should be followed to prevent ESD damage tothe devices especially when they are removed from the Anti-static bag. Electro-Static Sensitive Devices warning labels are on the packing.Recommended Solder Profile(1) Reflow soldering should not be done more than two times.(2) When soldering, do not put stress on the IRM-H2xxT Series devices during heating.(3) After soldering, do not warp the circuit board.IRM-H2xxT/TR2 SERIES Soldering IronEach terminal is to go to the tip of soldering iron temperature less than 350℃ for 3 seconds within once in less than the soldering iron capacity 25W. Leave two seconds and more intervals, and do soldering of each terminal. Be careful because the damage of the product is often started at the time of the hand solder.RepairingRepair should not be done after the Devices have been soldered. When repairing is unavoidable, a double-head soldering iron should be used (as below figure). It should be confirmedIRM-H2xxT/TR2 SERIES Packing Quantity Specification1. 2000 PCS/1 Reel2. 5 Reel /1CartonPacking processIRM-H2xxT/TR2 SERIES Label Form SpecificationCPN: Customer’s Production NumberP/N : Production NumberQTY: Packing QuantityCAT: NoneHUE: NoneREF: ReferenceLOT No: Lot NumberMADE IN TAIWAN: Production PlaceNotes1. Above specification may be changed without notice. EVERLIGHT will reserve authority onmaterial change for above specification.2. When using this product, please observe the absolute maximum ratings and the instructionsfor using outlined in these specification sheets. EVERLIGHT assumes no responsibility for any damage resulting from use of the product which does not comply with the absolutemaximum ratings and the instructions included in these specification sheets.3. These specification sheets include materials protected under copyright of EVERLIGHTcorporation. Please don’t reproduce or cause anyone to reproduce them withoutEVERLIGHT’s consent.。