| 型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX8643A | 3A, 2MHz Step-Down Regulator with Integrated Switches General Description The MAX8643A high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN). The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over 文件:303.04 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | |
MAX8643A | 3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | |
3A, 2MHz Step-Down Regulator with Integrated Switches General Description The MAX8643A high-efficiency switching regulator delivers up to 3A load current at output voltages from 0.6V to (0.9 x VIN). The IC operates from 2.35V to 3.6V, making it ideal for on-board point-of-load and postregulation applications. Total output error is less than ±1 over 文件:303.04 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:321.3 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:321.3 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
3A, 2MHz Step-Down Regulator with Integrated Switches 文件:324.57 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
MAX8643A | 3A、2MHz、降壓型調(diào)節(jié)器,內(nèi)置開關(guān) MAX8643A是一款高效開關(guān)穩(wěn)壓器,輸出電壓范圍為0.6V至(0.9 x VIN),可提供高達(dá)3A負(fù)載電流。IC使用2.35V至3.6V工作,這使得其可理想用于板載點(diǎn)負(fù)載和后穩(wěn)壓應(yīng)用。在整個(gè)負(fù)載、輸入電壓和溫度變化范圍內(nèi),器件輸出電壓總誤差低于±1%。\n\n MAX8643A采用固定頻率PWM工作模式,可通過外部電阻將開關(guān)頻率設(shè)置在500kHz至2MHz范圍內(nèi)。高工作頻率允許全陶瓷電容設(shè)計(jì),允許采用小尺寸外部元件。\n\n 片上低導(dǎo)通電阻的nMOS開關(guān)可確保重負(fù)載時(shí)的高效率,并使關(guān)鍵的電感值最小。相對(duì)于分立元件方案,該器件的布局要簡單得多。簡單的電路布局和引腳配 ? 內(nèi)置37mΩ RDSON的MOSFET\n? 3A連續(xù)輸出電流\n? 在整個(gè)負(fù)載、輸入電壓和溫度范圍內(nèi)提供±1%的輸出精度\n? 2.35V至3.6V工作電壓\n? 輸出電壓在0.6V至(0.9 x VIN)范圍內(nèi)可調(diào)\n? 軟啟動(dòng)降低輸入浪涌電流\n? 500kHz至2MHz可調(diào)開關(guān)頻率\n? 兼容陶瓷、聚合物以及電解輸出電容\n? VID可選的輸出電壓\n? 0.6V、0.7V、0.8V、1.0V、1.2V、1.5V、1.8V、2.0V和2.5V\n\n\n? 完整的過流和過熱保護(hù)\n? 安全啟動(dòng)至預(yù)偏置輸出狀態(tài)\n? DDR應(yīng)用中吸入/源出電流\n? 24引腳、4mm x 4; | ADI 亞德諾 | ADI |
技術(shù)參數(shù)
- VIN (max)(V):
3.6
- VOUT1 (min)(V):
0.6
- VOUT1 (max)(V):
2.5
- IOUT1 (max)(A):
3
- Switch Type:
Internal
- Output Adjust. Method:
Digital/VID
- VOUT1 Tolerance(±%):
1
- Synchronous Switching:
Yes
- Power Good Signal:
Yes
- ICC (max)(mA):
6.5
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
2000
- Features:
Adjustable Freq.
- Design Tools:
EE-Sim
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
TQFN/24
- Smallest Available Pckg. (max w/pins)(mm2):
16.8
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$3.42 @1k
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
ADI |
25+ |
24-TQFN-4X4X0.75 |
5500 |
3A、2MHz、降壓型調(diào)節(jié)器,內(nèi)置開關(guān) |
詢價(jià) | ||
MAX |
17+ |
QFN24 |
6200 |
100%原裝正品現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
13+ |
QFN |
3738 |
原裝分銷 |
詢價(jià) | ||
Maxim |
24+ |
SMD |
17900 |
開關(guān)穩(wěn)壓器 |
詢價(jià) | ||
MAXIM |
25+ |
QFN24 |
4089 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫存 本公司只做原裝 可 |
詢價(jià) | ||
MAX |
16+ |
QFN24 |
10000 |
進(jìn)口原裝現(xiàn)貨/價(jià)格優(yōu)勢! |
詢價(jià) | ||
MAXIM |
2016+ |
QFN |
1800 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價(jià) | ||
MAXIM |
23+ |
QFN24 |
8650 |
受權(quán)代理!全新原裝現(xiàn)貨特價(jià)熱賣! |
詢價(jià) | ||
MAXIM |
25+23+ |
QFN24 |
25967 |
絕對(duì)原裝正品全新進(jìn)口深圳現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
19+ |
QFN |
32000 |
原裝正品,現(xiàn)貨特價(jià) |
詢價(jià) |
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