位置：MAX649-MAX652 > MAX649-MAX652詳情
MAX649-MAX652中文資料
MAX649-MAX652數(shù)據(jù)手冊規(guī)格書PDF詳情
General Description
The MAX649/MAX651/MAX652 BiCMOS, step-down DC-DC switching controllers provide high efficiency over three decades of load current. A unique, current-limited pulse-frequency-modulated (PFM) control scheme gives these devices the benefits of pulse-width-modulation (PWM) converters (high efficiency at heavy loads), while using only 100μA of supply current (vs. 2mA to 10mA for PWM converters). The result is high efficiency over loads ranging from 10mA to more than 2.5A.
These devices use miniature external components. Their high switching frequency (up to 300kHz) allows for less than 9mm diameter surface-mount inductors.
The MAX649/MAX651/MAX652 have dropout voltages less than 1V and accept input voltages up to 16.5V. Output voltages are preset at 5V (MAX649), 3.3V (MAX651), and 3V (MAX652). These controllers can also be adjusted to any voltage from 1.5V to the input voltage by using two resistors.
These step-down controllers drive external P-channel MOSFETs at loads greater than 10W. If less power is required, use the MAX639/MAX640/MAX653 step-down converters with on-chip FETs, which allow up to a 225mA load current.
Features
? More than 90 Efficiency (10mA to 1.5A Loads)
? More than 12.5W Output Power
? 100μA Max Quiescent Supply Current
? 5μA Max Shutdown Supply Current
? Less than 1.0V Dropout Voltage
? 16.5V Max Input Voltage
? 5V (MAX649), 3.3V (MAX651), 3V (MAX652), or Adjustable Output Voltage
? Current-Limited Control Scheme
? Up to 300kHz Switching Frequency
Applications
?? 5V-to-3.3V Green PC Applications
?? High-Efficiency Step-Down Regulation
?? Minimum-Component DC-DC Converters
?? Battery-Powered Applications
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MAXIM |
23+ |
NA |
25060 |
只做進口原裝,終端工廠免費送樣 |
|||
MAXIM |
23+ |
DIP8 |
12800 |
公司只有原裝 歡迎來電咨詢。 |
|||
MAXIM |
23+ |
DIP8 |
100 |
全新原裝正品現(xiàn)貨,支持訂貨 |
|||
MAXIM |
24+ |
10000 |
|||||
maxim |
20+ |
PLCC |
2588 |
全新原裝 |
|||
MAXIM |
24+ |
SOP-8 |
5000 |
原裝現(xiàn)貨,可開13%稅票 |
|||
MAXIM |
2016+ |
SOP-8 |
6523 |
房間原裝進口現(xiàn)貨假一賠十 |
|||
MAXIM |
2020+ |
SOP-8 |
100 |
百分百原裝正品 真實公司現(xiàn)貨庫存 本公司只做原裝 可 |
|||
MAXIM |
24+ |
SOP-8 |
5000 |
全現(xiàn)原裝公司現(xiàn)貨 |
|||
MAXIM |
24+ |
DIP8 |
2250 |
100%全新原裝公司現(xiàn)貨供應(yīng)!隨時可發(fā)貨 |
MAX649-MAX652 資料下載更多...
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MAXIM相關(guān)芯片制造商
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Maxim Integrated Products 美信半導(dǎo)體
中文資料: 61723條
Maxim Integrated Products是一家專注于模擬和混合信號集成電路的公司，成立于1983年，總部位于美國加利福尼亞州圣何塞。公司設(shè)計和制造廣泛應(yīng)用于電子設(shè)備的高性能集成電路，涵蓋電源管理、信號處理、傳感器和接口等多個領(lǐng)域。 Maxim的產(chǎn)品廣泛應(yīng)用于消費電子、工業(yè)、汽車、通信等市場，以其高性能和創(chuàng)新技術(shù)著稱。公司致力于通過推動技術(shù)進步來滿足客戶的需求，并提供解決方案，幫助客戶實現(xiàn)更高的效率和更好的性能。 在2021年，Maxim Integrated被Analog Devices收購，進一步增強了Analog Devices在市場上的競爭力和技術(shù)實力。
