| 型號(hào) | 下載 訂購(gòu) | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
RT9256 | Actively Alternative Mode Two-Phase / Dual Switching PWM Controller General Description The RT9256 is an analogous current mode design and is specifically promoted for high power density consideration platform with MLCC capacitor attached, such as high-end add-on graphic card core power and DDR SDRAM core power, etc. A highlight for RT9256 is the RichTek’ s new i 文件:373.6 Kbytes 頁(yè)數(shù):18 Pages | RICHTEK 立锜科技 | RICHTEK | |
RT9256 | 主動(dòng)交替式兩相/兩通道開關(guān)切換式 PWM 控制器 RT9256 是采用電流模式的高功率密度電源方案,特別針對(duì)高端外掛式顯卡的內(nèi)核和DDR SDRAM供電進(jìn)行設(shè)計(jì),支持與MLCC電容的配合。它采用了立锜全新的主動(dòng)交替式兩相電源轉(zhuǎn)換技術(shù),也可作為雙路PWM控制器使用,這為客戶的應(yīng)用帶來了更靈活而高效的選擇。RT9256 在設(shè)計(jì)上支持采用多種輸入為同一負(fù)載供電,可有效突破電源功率的限制。RT9256 的封裝是 VQFN-32L 5x5。 · 電流模式控制架構(gòu)\n· 全新的主動(dòng)交替工作模式?支持兩相電源轉(zhuǎn)換模式?支持雙路 PWM 控制器模式\n· 輸入電壓可在 2.5V~12V 之間\n· 輸出電壓可在 0.8V~3.3V 之間\n· 多電源輸入模式解決電源功率限制問題\n· VIN 前饋斜波斜率可調(diào)\n· 工作頻率可調(diào)\n· 高精度內(nèi)核電壓調(diào)節(jié)\n· 高精度 DCR 電流檢測(cè)技術(shù)(使用X7R電容)\n· ± 1% VREF 精度\n· 工作偏置電壓 :12V 或 5V\n· 具有使能控制和 PGOOD 信號(hào),支持時(shí)序控制\n· 過流保護(hù)\n· 過壓保護(hù)\n· 外部設(shè)定的軟啟動(dòng)\n· 各通道工作頻率可高達(dá) 1MHz\n·; | Richtek 立锜科技 | Richtek | |
Actively Alternative Mode Two-Phase / Dual Switching PWM Controller General Description The RT9256 is an analogous current mode design and is specifically promoted for high power density consideration platform with MLCC capacitor attached, such as high-end add-on graphic card core power and DDR SDRAM core power, etc. A highlight for RT9256 is the RichTek’ s new i 文件:373.6 Kbytes 頁(yè)數(shù):18 Pages | RICHTEK 立锜科技 | RICHTEK | ||
Actively Alternative Mode Two-Phase / Dual Switching PWM Controller General Description The RT9256 is an analogous current mode design and is specifically promoted for high power density consideration platform with MLCC capacitor attached, such as high-end add-on graphic card core power and DDR SDRAM core power, etc. A highlight for RT9256 is the RichTek’ s new i 文件:373.6 Kbytes 頁(yè)數(shù):18 Pages | RICHTEK 立锜科技 | RICHTEK |
技術(shù)參數(shù)
- Vin(min) (V):
2.5
- Vin(max) (V):
12
- Vout(min) (V):
0.8
- Vout(max) (V):
3.3
- Number ofPhases:
2
- Accuracy(Vout>=1V) (+/- %):
1
- FreqAdj:
Yes
- Freq(typ) (kHz):
300
- Vcc(typ) (V):
12
- Features:
Adjustable Frequency;Adjustable Soft-Start;DCR Current Sense;Enable Input;Fast Transient Response;OCP;OVP;Power Good;SCP;UVP;Voltage Mode Control
- PackageType:
VQFN-5x5-32
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
RICHTEK/立锜 |
23+ |
VQFN-5x5-32 |
3000 |
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) | ||
REALTEK |
25+ |
QFN |
18000 |
原廠直接發(fā)貨進(jìn)口原裝 |
詢價(jià) | ||
RICHTEK |
23+ |
QFN |
5000 |
原裝正品,假一罰十 |
詢價(jià) | ||
RICHTEK |
24+ |
QFN |
3800 |
詢價(jià) | |||
RICHTEK |
23+ |
VQFN-32 |
8650 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣! |
詢價(jià) | ||
RICHTEK |
25+ |
QFN |
90000 |
一級(jí)代理商進(jìn)口原裝現(xiàn)貨、價(jià)格合理 |
詢價(jià) | ||
RichTek |
24+ |
QFN |
20000 |
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??! |
詢價(jià) | ||
RICHTEK/立锜 |
20+ |
QFN |
67500 |
原裝優(yōu)勢(shì)主營(yíng)型號(hào)-可開原型號(hào)增稅票 |
詢價(jià) | ||
RICHTEK/立锜 |
24+ |
VQFN-32L |
78741 |
原裝正品現(xiàn)貨供應(yīng) |
詢價(jià) | ||
RICHTEK |
25+ |
QFN |
30000 |
代理全新原裝現(xiàn)貨,價(jià)格優(yōu)勢(shì) |
詢價(jià) |
相關(guān)規(guī)格書
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- SR681K14D
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