零件型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
---|---|---|---|---|
RT2825 | 雙路4.5V至18V輸入, 5A同步Buck轉(zhuǎn)換器; ? 輸入電壓范圍:4.5V至18V\n? 完全集成化的雙路Buck轉(zhuǎn)換器,供電能力均達(dá)5A\n? 可外部引入或用外部電阻調(diào)節(jié)的工作頻率范圍:200kHz至1MHz\n? 各自獨(dú)立的使能信號(hào)、軟起動(dòng)控制端\n? 電流控制模式,補(bǔ)償電路簡(jiǎn)單\n? 可調(diào)逐周期電流限制保護(hù)\n? 過熱保護(hù)\n? Power Good指示\n? 假如LOWP為低電平,輕載時(shí)進(jìn)入不連續(xù)操作模式\n? VREF精度為1%\n? 符合RoHS規(guī)范,完全無鉛\n; RT2825是集成了兩組5A同步Buck轉(zhuǎn)換器的電源IC,工作電壓范圍為4.5V至18V,為電子系統(tǒng)的設(shè)計(jì)者提供了優(yōu)化的電源管理方案。\n\nRT2825的兩組轉(zhuǎn)換器均可在5V、9V、12V或15V的系統(tǒng)中應(yīng)用,均集成了功率開關(guān)。它們采用電流模式控制架構(gòu),瞬態(tài)響應(yīng)特性良好。它們?cè)诠ぷ鬟^程中采用逐周期電流限制方式,可在輸出端出現(xiàn)短路現(xiàn)象時(shí)提供保護(hù)作用。\n\nRT2825的兩組轉(zhuǎn)換器都含有方便進(jìn)行時(shí)序控制的使能控制端,有可接電容的軟起動(dòng)端子對(duì)啟動(dòng)過程進(jìn)行控制,有獨(dú)立的電流限制端子 (RLIMx) 可對(duì)電流限制閾值進(jìn)行調(diào)節(jié),同時(shí)使電感器的選擇更加安全。透過對(duì)COMP端外接的RC電路參數(shù)的調(diào)整,用戶可對(duì)轉(zhuǎn)換器的瞬態(tài)響應(yīng)特性和直流響應(yīng)的特性進(jìn)行優(yōu)化調(diào)節(jié)。\n\n假如有需要,用戶可通過ROSC端外接電阻的調(diào)節(jié)對(duì)轉(zhuǎn)換器的開關(guān)工作頻率進(jìn)行調(diào)整,也可引入外部時(shí)鐘信號(hào)實(shí)現(xiàn)同步工作。轉(zhuǎn)換器的最佳工作頻率范圍是200kHz至1MHz,兩組之間的工作相位相差180°,對(duì)輸入濾波器的需求降到了最低程度。\n\nRT2825引入了低功率工作模式,可通過外部信號(hào)來啟動(dòng),可在主機(jī)系統(tǒng)進(jìn)入待機(jī)模式時(shí)降低電源輸入端的功率消耗。\n\nRT2825以VQFN-36L 6x6封裝形式供貨。 | RichtekRichtek Technology Corporation 立锜科技立锜科技股份有限公司 | Richtek | |
RT2825 | 4.5V to 18V, 5A/5A Dual Synchronous Step-Down Converter GeneralDescription TheRT2825featurestwosynchronouswideinputrange highefficiencybuckconvertersthatcabdeliverupto5A/ 5Aoutputcurrentfroma4.5Vto18Vinputsupply.The convertersaredesignedtosimplifyitsapplicationwhile givingthedesignertheoptiontooptimizetheir | RichTekRichtek Technology Corporation 立锜科技立锜科技股份有限公司 | RichTek | |
絲?。?a target="_blank" title="Marking" href="/rt2825gqv/marking.html">RT2825GQV;Package:VQFN-36L;4.5V to 18V, 5A/5A Dual Synchronous Step-Down Converter GeneralDescription TheRT2825featurestwosynchronouswideinputrange highefficiencybuckconvertersthatcabdeliverupto5A/ 5Aoutputcurrentfroma4.5Vto18Vinputsupply.The convertersaredesignedtosimplifyitsapplicationwhile givingthedesignertheoptiontooptimizetheir | RichTekRichtek Technology Corporation 立锜科技立锜科技股份有限公司 | RichTek | ||
General-PurposeSwitchingDeviceApplications | SANYOSanyo Semicon Device 三洋三洋電機(jī)株式會(huì)社 | SANYO | ||
N-ChannelPowerMOSFET | ONSEMION Semiconductor 安森美半導(dǎo)體安森美半導(dǎo)體公司 | ONSEMI | ||
HIGH-SPEEDCURRENT-MODEPWM | MicrosemiMicrosemi Corporation 美高森美美高森美公司 | Microsemi | ||
HIGH-SPEEDCURRENT-MODEPWM | MicrosemiMicrosemi Corporation 美高森美美高森美公司 | Microsemi | ||
HIGH-SPEEDCURRENT-MODEPWM DESCRIPTION TheSG1825Cisahigh-performancepulsewidthmodulatoroptimizedforhighfrequency current-modepowersupplies.Includedinthecontrollerareaprecisionvoltagereference, micropowerstart-upcircuitry,softstart,highfrequencyoscillator,widebanderroramplifier, fastcurr | MicrosemiMicrosemi Corporation 美高森美美高森美公司 | Microsemi | ||
HIGH-SPEEDCURRENT-MODEPWM DESCRIPTION TheSG1825Cisahigh-performancepulsewidthmodulatoroptimizedforhighfrequency current-modepowersupplies.Includedinthecontrollerareaprecisionvoltagereference, micropowerstart-upcircuitry,softstart,highfrequencyoscillator,widebanderroramplifier, fastcurr | MicrosemiMicrosemi Corporation 美高森美美高森美公司 | Microsemi | ||
HIGH-SPEEDCURRENT-MODEPWM | MicrosemiMicrosemi Corporation 美高森美美高森美公司 | Microsemi |
技術(shù)參數(shù)
- Vin(min)(V):
4.5
- Vin(max)(V):
18
- Number of Outputs:
2
- Vout(min)(V):
0.6
- Vout(max)(V):
5
- Output Adj. Method:
Resistor
- Iout(max)(A):
5
- Current Limit(typ)(A):
8.4
- Freq(min)(kHz):
200
- Freq(max)(kHz):
1000
- Ext Sync:
Yes
- Ron_HS(typ)(mOhm):
31
- Ron_LS(typ)(mOhm):
23
- Iq(typ)(mA):
2.6
- Features:
Adjustable Current Limit;Adjustable Frequency;Adjustable Soft-Start;Current Mode Control;Cycle-by-Cycle Current Limit;External Synchronization;OCP;OTP;OVP;Power Good;SCP;Stable with Ceramic Capacitor;UVP
- Package Type:
VQFN6x6-36L
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
RICHTEK/立锜 |
23+ |
SOP |
20513 |
一級(jí)代理原廠VIP渠道,專注軍工、汽車、醫(yī)療、工業(yè)、 |
詢價(jià) | ||
RICHTEK/立锜 |
2450+ |
SOP |
6540 |
只做原裝正品假一賠十為客戶做到零風(fēng)險(xiǎn)!! |
詢價(jià) | ||
24+ |
N/A |
75000 |
一級(jí)代理-主營優(yōu)勢(shì)-實(shí)惠價(jià)格-不悔選擇 |
詢價(jià) | |||
RALINK |
13+ |
QFN76 |
3474 |
原裝分銷 |
詢價(jià) | ||
RALINK |
25+23+ |
QFN |
22179 |
絕對(duì)原裝正品全新進(jìn)口深圳現(xiàn)貨 |
詢價(jià) | ||
RALINK |
17+ |
QFN76 |
60000 |
保證進(jìn)口原裝可開17%增值稅發(fā)票 |
詢價(jià) | ||
RICHWAVE |
23+ |
QFN |
11 |
原裝環(huán)保房間現(xiàn)貨假一賠十 |
詢價(jià) | ||
RALINK |
2447 |
QFN |
100500 |
一級(jí)代理專營品牌!原裝正品,優(yōu)勢(shì)現(xiàn)貨,長(zhǎng)期排單到貨 |
詢價(jià) | ||
RICHWAVE |
23+ |
QFN |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價(jià) | ||
RALINK |
23+ |
QFN |
50000 |
全新原裝正品現(xiàn)貨,支持訂貨 |
詢價(jià) |
相關(guān)規(guī)格書
更多- UNE5532
- SI7970DP
- SI7958DP
- SI7913DN
- SI7942DP
- SI7911DN
- SI7900EDN
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- SI7945DP
- SI7921DN
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相關(guān)庫存
更多- SI7964DP
- SI7909DN
- SI7941DP
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- SI7956DP
- SI7980DP
- SI7902EDN
- SI7998DP
- SI7960DP
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- SPC5605BF1MLQ6
- WNS40H100C
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- TD62308BFG
- TD62308BP1G
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- TA0555A
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- T510X476K035ATA055
- STA0556B
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- TPS25740BRGET
- SR6820
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- SR681K14D
- SR681K18E
- SR681K34R
- SR681K20E