| 型號(hào) | 下載 訂購(gòu) | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX849 | 1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters General Description The MAX848/MAX849 boost converters set a new standard of high efficiency and high integration for noise sensitive power-supply applications, such as portable phones and small systems with RF data links. The heart of the these devices is a synchronous boost-topology regulator 文件:166.17 Kbytes 頁(yè)數(shù):16 Pages | MAXIM 美信 | MAXIM | |
MAX849 | 1節(jié)至3節(jié)電池、大功率、低噪聲、升壓型DC-DC轉(zhuǎn)換器 MAX848/MAX849升壓轉(zhuǎn)換器為便攜式電話和帶有RF數(shù)據(jù)鏈路的小型系統(tǒng)等對(duì)噪聲敏感的電源應(yīng)用設(shè)立了高效率和高集成度的新標(biāo)準(zhǔn)。這些器件的核心是同步升壓拓?fù)浞€(wěn)壓器,可從一到三節(jié)NiCd/NiMH電池或一節(jié)鋰離子電池生成固定的3.3V輸出(或2.7V至5.5V可調(diào)輸出)。\n\n 與類似的非同步升壓穩(wěn)壓器相比,同步整流的效率提高了5%。在待機(jī)模式下,脈沖跳躍PFM操作保持輸出電壓有效,靜態(tài)功耗僅為150μW。固定頻率PWM操作確保開關(guān)噪聲頻譜限制在300kHz基波及其諧波內(nèi),從而可以輕松降低濾波后噪聲。要獲得更嚴(yán)格的噪聲頻譜控制,可同步至200kHz至400kHz的外部時(shí)鐘。 ? 效率高達(dá)95%\n\n? 3.3V Dual Mode?,或2.7V至5.5V可調(diào)輸出\n\n? 輸入范圍:0.7V至5.5V\n\n? 0.15mW待機(jī)模式\n\n? 300kHz PWM模式或可同步\n\n? 具有串行輸出的雙通道ADC\n\n? 電源良好功能; | ADI 亞德諾 | ADI | |
1-Cell to 3-Cell, High-Power, Low-Noise, Step-Up DC-DC Converters General Description The MAX848/MAX849 boost converters set a new standard of high efficiency and high integration for noise sensitive power-supply applications, such as portable phones and small systems with RF data links. The heart of the these devices is a synchronous boost-topology regulator 文件:166.17 Kbytes 頁(yè)數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
Package:16-SOIC(0.154",3.90mm 寬);包裝:卷帶(TR)剪切帶(CT)Digi-Reel? 得捷定制卷帶 類別:集成電路(IC) 特殊用途穩(wěn)壓器 描述:IC REG CONV RF DATA 1OUT 16SO | AD 亞德諾 | AD | ||
Package:16-SOIC(0.154",3.90mm 寬);包裝:卷帶(TR) 類別:集成電路(IC) 特殊用途穩(wěn)壓器 描述:IC REG CONV RF DATA 1OUT 16SO | AD 亞德諾 | AD |
技術(shù)參數(shù)
- VIN (max)(V):
5.5
- VOUT1 (min)(V):
2.7
- VOUT1 (max)(V):
5.5
- IOUT1 (max)(A):
1
- Switch Type:
Internal
- Preset VOUT(V):
3.3
- Output Adjust. Method:
Preset
- Synchronous Switching:
Yes
- ICC (typ)(mA):
0.035
- ICC (max)(mA):
0.09
- Shutdown Mode Supply Current (typ)(μA):
4
- Shutdown Mode Supply Current (max)(μA):
20
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
400
- Features:
Current Limit
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
SOIC (N)/16
- Smallest Available Pckg. (max w/pins)(mm2):
62
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$2.70 @1k
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
24+ |
3000 |
公司現(xiàn)貨 |
詢價(jià) | ||||
MAXIM |
22+ |
原廠原封 |
1000 |
原裝現(xiàn)貨庫(kù)存.價(jià)格優(yōu)勢(shì)!! |
詢價(jià) | ||
ADI |
25+ |
Small-Outline IC, Narrow (0.15 |
5500 |
1節(jié)至3節(jié)電池、大功率、低噪聲、升壓型DC-DC轉(zhuǎn)換器 |
詢價(jià) | ||
MAXIM |
13+ |
2590 |
原裝分銷 |
詢價(jià) | |||
MAXIM |
2015+ |
SOP/DIP |
19889 |
一級(jí)代理原裝現(xiàn)貨,特價(jià)熱賣! |
詢價(jià) | ||
MAXIM |
15+ |
SOP16 |
11560 |
全新原裝,現(xiàn)貨庫(kù)存,長(zhǎng)期供應(yīng) |
詢價(jià) | ||
MAX |
06+ |
原廠原裝 |
61 |
只做全新原裝真實(shí)現(xiàn)貨供應(yīng) |
詢價(jià) | ||
MAXIM |
23+ |
SOP16 |
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 |
24+ |
SOP16 |
4652 |
公司原廠原裝現(xiàn)貨假一罰十!特價(jià)出售!強(qiáng)勢(shì)庫(kù)存! |
詢價(jià) | ||
MAXIM |
25+ |
SOP16 |
63242 |
品牌一級(jí)代理,新加坡香港上百萬(wàn)現(xiàn)貨,歡迎查詢! |
詢價(jià) |
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