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MAX1649C/D中文資料美信數(shù)據(jù)手冊PDF規(guī)格書
MAX1649C/D規(guī)格書詳情
General Description
The MAX1649/MAX1651 BiCMOS, step-down, DC-DC switching controllers provide high efficiency over loads ranging from 1mA to more than 2.5A. 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). Dropout performance down to 300mV is provided by a high switch duty cycle (96.5) and a low current-sense threshold (110mV).
Features
? More than 90 Efficiency (10mA to 1.5A Loads)
? More than 12.5W Output Power
? Less than 0.3V Dropout Voltage at 500mA
? 100μA Max Quiescent Supply Current
? 5μA Max Shutdown Supply Current
? 16V Max Input Voltage
? 5V (MAX1649), 3.3V (MAX1651), or Adjustable
Output Voltage
? Current-Limited Control Scheme
? Up to 300kHz Switching Frequency
? Up to 96.5 Duty Cycle
Applications
PDAs
High-Efficiency Step-Down Regulation
5V-to-3.3V Green PC Applications
Battery-Powered Applications
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
MAXIM/美信 |
23+ |
NA/ |
3269 |
原裝現(xiàn)貨,當天可交貨,原型號開票 |
詢價 | ||
MAX |
23+ |
DIP8 |
20000 |
全新原裝假一賠十 |
詢價 | ||
MAXIM |
2020+ |
PDIP8 |
80000 |
只做自己庫存,全新原裝進口正品假一賠百,可開13%增 |
詢價 | ||
MAXIM |
17+ |
DIP-8 |
9800 |
只做全新進口原裝,現(xiàn)貨庫存 |
詢價 | ||
MAXIM |
23+ |
DIP-8 |
7100 |
絕對全新原裝!現(xiàn)貨!特價!請放心訂購! |
詢價 | ||
MAXIM/美信 |
22+ |
DIP8 |
6521 |
只做原裝正品現(xiàn)貨!或訂貨假一賠十! |
詢價 | ||
Maxim |
22+ |
8PDIP |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價 | ||
MAXIM/美信 |
22+ |
DIP |
18000 |
只做全新原裝,支持BOM配單,假一罰十 |
詢價 | ||
MAXIM |
23+ |
DIP-8 |
4500 |
全新原裝、誠信經(jīng)營、公司現(xiàn)貨銷售! |
詢價 | ||
MAXIM |
24+ |
DIP8 |
16500 |
進口原裝正品現(xiàn)貨 |
詢價 |
