零件編號(hào) | 下載 訂購(gòu) | 功能描述/絲印 | 制造商 上傳企業(yè) | LOGO |
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High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power GeneralDescription TheMAX797Hhigh-performance,step-downDC-DCconverterprovidesmainCPUpowerinbattery-poweredsystems.A40Vratingonthepowerstage’sinputallowsoperationwithhigh-cell-countbatteriesandawiderangeofACadaptors.Thisbuckcontrollerachieves96efficiencyby | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
高壓、同步整流、降壓型控制器,用于CPU電源; ? 效率為96%\n\n? 電源輸入高達(dá)40V\n\n? 可調(diào)輸出范圍:2.5V至6V\n\n? 預(yù)設(shè)3.3V和5V輸出(高達(dá)10A)\n\n? 5V線性穩(wěn)壓器輸出\n\n? 精密2.505V基準(zhǔn)電壓輸出\n\n? 自動(dòng)自舉電路\n\n? 150kHz/300kHz固定頻率PWM工作模式\n\n? 可編程軟啟動(dòng)\n\n? 靜態(tài)電流:375μA(VIN = 12V,VOUT = 5V)\n\n? 關(guān)斷電流:1μA; MAX797H高性能、降壓型DC-DC轉(zhuǎn)換器可為電池供電系統(tǒng)提供主CPU電源。功率級(jí)的輸入具有40V額定電壓,支持使用多節(jié)電池和各種交流適配器進(jìn)行工作。該降壓控制器通過(guò)使用同步整流和Maxim專有的Idle Mode?控制方案實(shí)現(xiàn)96%的效率,以延長(zhǎng)滿載(高達(dá)10A)和空載輸出下的電池使用時(shí)間。出色的動(dòng)態(tài)響應(yīng)可在五個(gè)300kHz時(shí)鐘周期內(nèi)糾正由最新的動(dòng)態(tài)時(shí)鐘CPU引起的輸出瞬變。專門設(shè)計(jì)的自舉電路可驅(qū)動(dòng)實(shí)惠的N溝道MOSFET,從而降低系統(tǒng)成本并消除某些PMOS/NMOS開(kāi)關(guān)設(shè)計(jì)中的瞬態(tài)開(kāi)路開(kāi)關(guān)電流。\n\n MAX797H具有邏輯控制和可同步的固定頻率脈寬調(diào)制(PWM)工作模式,可減少敏感型移動(dòng)通信和筆輸入應(yīng)用中的噪聲和射頻干擾。SKIP覆蓋輸入支持在輕負(fù)載條件下自動(dòng)切換到空閑工作模式(以實(shí)現(xiàn)高效脈沖跳躍),或強(qiáng)制進(jìn)入固定頻率工作模式以在所有負(fù)載下實(shí)現(xiàn)超低噪聲。MAX797H與常見(jiàn)的MAX797引腳兼容,但具有更高的輸入電壓范圍。\n\n MAX797H采用16引腳窄體SO封裝。\n\n ?\n\n | ADIAnalog Devices 亞德諾亞德諾半導(dǎo)體技術(shù)有限公司 | ADI | ||
High-Voltage, Step-Down Controller with Synchronous Rectifier for CPU Power GeneralDescription TheMAX797Hhigh-performance,step-downDC-DCconverterprovidesmainCPUpowerinbattery-poweredsystems.A40Vratingonthepowerstage’sinputallowsoperationwithhigh-cell-countbatteriesandawiderangeofACadaptors.Thisbuckcontrollerachieves96efficiencyby | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power GeneralDescription TheMAX796/MAX797/MAX799high-performance,stepdownDC-DCconverterswithsingleordualoutputs providemainCPUpowerinbattery-poweredsystems.Thesebuckcontrollersachieve96efficiencybyusing synchronousrectificationandMaxim’sproprietaryIdleMode?control | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim | ||
Step-Down Controllers with Synchronous Rectifier for CPU Power | MaximMaxim Integrated Products 美信美信半導(dǎo)體 | Maxim |
技術(shù)參數(shù)
- VIN (max)(V):
30
- VOUT1 (min)(V):
2.5
- VOUT1 (max)(V):
6
- IOUT1 (max)(A):
10
- Switch Type:
External
- Preset VOUT(V):
3.3
- Output Adjust. Method:
Preset
- Synchronous Switching:
Yes
- ICC (max)(mA):
0.44
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
340
- Features:
Adjustable Freq.
- EV Kit Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
CDIP/16
- Smallest Available Pckg. (max w/pins)(mm2):
62
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$5.85 @1k
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
MAX |
2025+ |
SOP |
3925 |
全新原裝、公司現(xiàn)貨熱賣 |
詢價(jià) | ||
MAX |
23+ |
DIP |
6000 |
詢價(jià) | |||
MAXIM |
16+ |
QFP80 |
4000 |
進(jìn)口原裝現(xiàn)貨/價(jià)格優(yōu)勢(shì)! |
詢價(jià) | ||
MAXIM |
24+ |
SOP |
3000 |
公司現(xiàn)貨 |
詢價(jià) | ||
MAX |
24+ |
DIP |
2978 |
100%全新原裝公司現(xiàn)貨供應(yīng)!隨時(shí)可發(fā)貨 |
詢價(jià) | ||
MAXIM |
23+ |
NA |
25060 |
只做進(jìn)口原裝,終端工廠免費(fèi)送樣 |
詢價(jià) | ||
MaximIntegratedProducts |
23+ |
NA |
146 |
專做原裝正品,假一罰百! |
詢價(jià) | ||
MAXIM |
22+ |
SOP |
3000 |
原裝正品,支持實(shí)單 |
詢價(jià) | ||
2023+ |
3.9mm |
3000 |
進(jìn)口原裝現(xiàn)貨 |
詢價(jià) | |||
MAXIM |
23+ |
SOP16 |
5000 |
絕對(duì)全新原裝!現(xiàn)貨!特價(jià)!請(qǐng)放心訂購(gòu)! |
詢價(jià) |
相關(guān)規(guī)格書
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