| 型號(hào) | 下載 訂購(gòu) | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1858 | Dual 180? Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR General Description The MAX1858A/MAX1875A/MAX1876A dual, synchronized, step-down controllers generate two outputs from input supplies ranging from 4.5V to 23V. Each output is adjustable from sub-1V to 18V and supports loads of 10A or higher. Input voltage ripple and total RMS input ripple current 文件:553.27 Kbytes 頁(yè)數(shù):22 Pages | MAXIM 美信 | MAXIM | |
MAX1858 | Dual 180? Out-of-Phase PWM Step-Down Controller with Power Sequencing and POR 文件:537.07 Kbytes 頁(yè)數(shù):21 Pages | MAXIM 美信 | MAXIM | |
MAX1858 | 雙路、180°異相、PWM降壓型控制器,帶有電源順序控制及POR MAX1858雙路、同步、降壓控制器輸入電壓范圍為4.75V至23V, 產(chǎn)生兩路輸出。每個(gè)輸出從低于1V至18V之間可調(diào)并且可輸出10A或者是更高的電流。180°錯(cuò)相同步工作減小了輸入電壓紋波和總RMS輸入紋波電流有效值。\n\n 其開(kāi)關(guān)頻率可以通過(guò)一個(gè)外部電阻在100kHz至600kHz之間調(diào)節(jié),或者使該控制器同步于另一個(gè)做為外部時(shí)鐘的MAX1858或一個(gè)系統(tǒng)時(shí)鐘。一個(gè)MAX1858可以為從控制器的同步按設(shè)置輸出一個(gè)同相或是90°錯(cuò)相的時(shí)鐘信號(hào)。這就使得兩個(gè)控制器可以90°相移交替工作于雙相或四相系統(tǒng)。該器件具備先開(kāi)/后關(guān)的電源排序以兼容DSP,ASIC和FPGA,以及軟啟動(dòng)和軟停 ? 兩路獨(dú)立輸出電壓\n? 180°錯(cuò)相工作\n? 90°錯(cuò)相工作(使用兩個(gè)MAX1858)折返電流限制\n? 折返電流限制\n? 4.75V至23V的輸入范圍\n? 0至18V輸出范圍(最多10A的輸出電流)\n? 效率高于90%\n? 固定頻率脈寬調(diào)制(PWM)\n? 在100kHz至600kHz間可調(diào)開(kāi)關(guān)頻率\n? 外部SYNC輸入\n? 主/從同步用時(shí)鐘輸出\n? 加電/斷電排序及軟啟動(dòng)和軟停止\n? 140ms最小延遲/RST輸出\n? 低耗回折式電流限制(不需要檢流電阻); | ADI 亞德諾 | ADI | |
Dual 180? Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR General Description The MAX1858A/MAX1875A/MAX1876A dual, synchronized, step-down controllers generate two outputs from input supplies ranging from 4.5V to 23V. Each output is adjustable from sub-1V to 18V and supports loads of 10A or higher. Input voltage ripple and total RMS input ripple current 文件:553.27 Kbytes 頁(yè)數(shù):22 Pages | MAXIM 美信 | MAXIM | ||
Dual 180? Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR General Description The MAX1858A/MAX1875A/MAX1876A dual, synchronized, step-down controllers generate two outputs from input supplies ranging from 4.5V to 23V. Each output is adjustable from sub-1V to 18V and supports loads of 10A or higher. Input voltage ripple and total RMS input ripple current 文件:553.27 Kbytes 頁(yè)數(shù):22 Pages | MAXIM 美信 | MAXIM | ||
Dual 180? Out-of-Phase Buck Controllers with Sequencing/Prebias Startup and POR General Description The MAX1858A/MAX1875A/MAX1876A dual, synchronized, step-down controllers generate two outputs from input supplies ranging from 4.5V to 23V. Each output is adjustable from sub-1V to 18V and supports loads of 10A or higher. Input voltage ripple and total RMS input ripple current 文件:553.27 Kbytes 頁(yè)數(shù):22 Pages | MAXIM 美信 | MAXIM | ||
Dual 180? Out-of-Phase PWM Step-Down Controller with Power Sequencing and POR 文件:537.07 Kbytes 頁(yè)數(shù):21 Pages | MAXIM 美信 | MAXIM | ||
雙路、180°異相工作的buck控制器,具有排序/預(yù)偏置啟動(dòng)和POR MAX1858A/MAX1875A/MAX1876A是雙路、同步、降壓控制器,從4.5V至23V的輸入電壓產(chǎn)生兩路輸出。每個(gè)輸出從低于1V至18V之間可調(diào),且產(chǎn)生10A或更高的負(fù)載電流。180°錯(cuò)相同步工作減小了輸入電壓紋波和總的RMS輸入紋波電流。\n通過(guò)一個(gè)外部電阻,開(kāi)關(guān)頻率可以在100kHz至600kHz之間調(diào)節(jié),或者使該控制器同步于另一片MAX1858A/MAX1875A/MAX1876A產(chǎn)生的外時(shí)鐘,或系統(tǒng)時(shí)鐘。MAX1858A/MAX1875A/MAX1876A可以設(shè)置產(chǎn)生同相或90°錯(cuò)相的時(shí)鐘信號(hào),以同步其它控制器。這樣允許兩個(gè)控制器在每個(gè)輸出相移90°的條件下,工作于交替的雙相 \n? 4.5V至23V輸入電壓范圍\n? 0至18V輸出范圍(最多10A的輸出電流) \n? 可調(diào)的無(wú)損耗折返電流限制\n? 100kHz至600kHz可調(diào)的開(kāi)關(guān)頻率\n? 可選的同步時(shí)鐘方式\n? 時(shí)鐘輸出用于主/從同步 \n? 4 x 90°錯(cuò)相降壓轉(zhuǎn)換器(利用兩個(gè)控制器,完整數(shù)據(jù)資料中的圖7) \n? 預(yù)偏置啟動(dòng)(MAX1875A/MAX1876A) \n? 加電排序(MAX1858A) \n? 140ms最小延遲的/RST輸出(MAX1858A/MAX1876A) \n? 固定頻率脈寬調(diào)制(PWM)工作; | ADI 亞德諾 | ADI | ||
Package:24-SSOP(0.154",3.90mm 寬);包裝:管件 功能:降壓 類別:集成電路(IC) PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器 描述:IC REG CTRLR BUCK 24QSOP | AD 亞德諾 | AD | ||
Package:24-SSOP(0.154",3.90mm 寬);包裝:卷帶(TR) 功能:降壓 類別:集成電路(IC) PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器 描述:IC REG CTRLR BUCK 24QSOP | AD 亞德諾 | AD |
技術(shù)參數(shù)
- VIN (max)(V):
23
- VOUT1 (min)(V):
1
- VOUT1 (max)(V):
18
- IOUT1 (max)(A):
10
- Switch Type:
External
- Output Adjust. Method:
Resistor
- VOUT2 (min)(V):
1
- VOUT2 (max)(V):
18
- IOUT2 (max)(A):
10
- Synchronous Switching:
Yes
- ICC (max)(mA):
6
- # DC-DC Outputs:
2
- Switching Frequency(kHz):
600
- Features:
Adjustable Freq.
- EV Kit Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
QSOP/24
- Smallest Available Pckg. (max w/pins)(mm2):
54.2
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$3.62 @1k
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
MAX |
24+ |
12878 |
詢價(jià) | ||||
MAX |
06+ |
15000 |
全新原裝100真實(shí)現(xiàn)貨供應(yīng) |
詢價(jià) | |||
MAXIM |
22+ |
原廠原封 |
8200 |
原裝現(xiàn)貨庫(kù)存.價(jià)格優(yōu)勢(shì) |
詢價(jià) | ||
ADI |
25+ |
24-QSOP-150_MIL |
5500 |
雙路、180°異相、PWM降壓型控制器,帶有電源順序控制及POR |
詢價(jià) | ||
MAX |
23+ |
SSOP |
7000 |
絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)! |
詢價(jià) | ||
MAXIM |
15+ |
SSOP24 |
11560 |
全新原裝,現(xiàn)貨庫(kù)存,長(zhǎng)期供應(yīng) |
詢價(jià) | ||
Maxim |
24+ |
SMD |
17900 |
開(kāi)關(guān)控制器 |
詢價(jià) | ||
MAX |
25+ |
SSOP24 |
49 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可 |
詢價(jià) | ||
MAXIM |
17+ |
SSOP24 |
6200 |
100%原裝正品現(xiàn)貨 |
詢價(jià) | ||
MAX |
24+ |
SSOP |
6980 |
原裝現(xiàn)貨,可開(kāi)13%稅票 |
詢價(jià) |
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