| 型號(hào) | 下載 訂購 | 功能描述 | 制造商 上傳企業(yè) | LOGO |
|---|---|---|---|---|
MAX1742 | 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1742/MAX1842 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficienc 文件:597.96 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | |
MAX1742 | 1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | |
MAX1742 | 1A/2.7A、1MHz、降壓型穩(wěn)壓器,內(nèi)置同步整流與開關(guān) MAX1742/MAX1842是恒定關(guān)斷時(shí)間、脈寬調(diào)制(PWM)降壓DC-DC轉(zhuǎn)換器,非常適合為筆記本電腦和小型筆記本電腦提供所需的5V和3.3V至低壓轉(zhuǎn)換。這些器件具有內(nèi)部同步整流功能,可實(shí)現(xiàn)高效率并減少元件數(shù)量。它們不需要外部肖特基二極管。內(nèi)部90mΩ PMOS電源開關(guān)和70mΩ NMOS同步整流器開關(guān)可輕松提供高達(dá)1A的連續(xù)負(fù)載電流。MAX1742/MAX1842提供2.5V、1.8V或1.5V預(yù)設(shè)輸出電壓,或1.1V至VIN可調(diào)輸出。其效率高達(dá)95%。\n\n MAX1742/MAX1842采用專門的電流模式、恒定關(guān)斷時(shí)間、PWM控制方案,借助Idle Mode?技術(shù) ? 輸出精度:±1%\n\n? 95%效率\n\n? 內(nèi)部PMOS和NMOS開關(guān)\n? VIN = 4.5V時(shí),導(dǎo)通電阻為90mΩ\n\n? VIN = 3V時(shí),導(dǎo)通電阻為110mΩ\n\n\n\n\n? 輸出電壓\n? 引腳可選2.5V、1.8V或1.5V\n\n? 1.1V至VIN可調(diào)\n\n\n\n\n? 輸入電壓范圍:3V至5.5V\n\n? 工作電源電流:600μA(最大值)\n\n? 關(guān)斷電源電流:< 1μA\n\n? 可編程恒定關(guān)斷時(shí)間操作\n\n? 開關(guān)頻率:1MHz(最大值)\n\n? 輕負(fù)載時(shí)進(jìn)入空閑模式\n\n? 熱關(guān)斷\n\n? 可調(diào)軟啟動(dòng)沖擊限流\n\; | ADI 亞德諾 | ADI | |
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1742/MAX1842 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficienc 文件:597.96 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches General Description The MAX1742/MAX1842 constant-off-time, pulse-width-modulated (PWM) step-down DC-DC converters are ideal for use in 5V and 3.3V to low-voltage conversion necessary in notebook and subnotebook computers. These devices feature internal synchronous rectification for high efficienc 文件:597.96 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
PLASTIC ENCAPSULATED DEVICES 文件:39.19 Kbytes 頁數(shù):5 Pages | MAXIM 美信 | MAXIM | ||
PLASTIC ENCAPSULATED DEVICES 文件:39.19 Kbytes 頁數(shù):5 Pages | MAXIM 美信 | MAXIM | ||
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM | ||
1A/2.7A, 1MHz, Step-Down Regulators with Synchronous Rectification and Internal Switches 文件:287.76 Kbytes 頁數(shù):16 Pages | MAXIM 美信 | MAXIM |
技術(shù)參數(shù)
- VIN (max)(V):
5.5
- VOUT1 (min)(V):
1.1
- VOUT1 (max)(V):
5.5
- IOUT1 (max)(A):
1
- Switch Type:
Internal
- Preset VOUT(V):
1.5
- Output Adjust. Method:
Preset
- Synchronous Switching:
Yes
- ICC (max)(mA):
0.6
- # DC-DC Outputs:
1
- Switching Frequency(kHz):
1000
- Features:
Adjustable Freq.
- EV Kit Available:
Yes
- Oper. Temp.(°C):
-40 to +85
- Package/ Pins:
QSOP/16
- Smallest Available Pckg. (max w/pins)(mm2):
30.9
- RoHS Available:
Yes
- Budgetary Price (See Notes):
$4.42 @1k
| 供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
|---|---|---|---|---|---|---|---|
MAXIM/美信 |
SSOP |
6698 |
詢價(jià) | ||||
ADI |
25+ |
16-QSOP-150_MIL |
5500 |
1A/2.7A、1MHz、降壓型穩(wěn)壓器,內(nèi)置同步整流與開關(guān) |
詢價(jià) | ||
MAXIM |
23+ |
QSOP16 |
7000 |
絕對(duì)全新原裝!100%保質(zhì)量特價(jià)!請(qǐng)放心訂購! |
詢價(jià) | ||
MAXIM |
2015+ |
SOP |
19889 |
一級(jí)代理原裝現(xiàn)貨,特價(jià)熱賣! |
詢價(jià) | ||
MAX |
24+ |
SOP |
434 |
詢價(jià) | |||
MAXIM |
25+ |
SOIC8 |
18000 |
原廠直接發(fā)貨進(jìn)口原裝 |
詢價(jià) | ||
MAX |
05+ |
原廠原裝 |
4283 |
只做全新原裝真實(shí)現(xiàn)貨供應(yīng) |
詢價(jià) | ||
MAXIM |
25+ |
SOPO-N |
10 |
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) | ||
MAXIM |
24+ |
TQFN32 |
5000 |
全現(xiàn)原裝公司現(xiàn)貨 |
詢價(jià) | ||
MAXIM |
1728+ |
? |
6500 |
只做原裝進(jìn)口,假一罰十 |
詢價(jià) |
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