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MAX1649C/D中文资料PDF规格书
MAX1649C/D规格书详情
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
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAIXIM |
DIP |
9993 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
MAXIM |
23+ |
DIP-8 |
4500 |
全新原装、诚信经营、公司现货销售! |
询价 | ||
MAXIM/美信 |
DIP8 |
265209 |
假一罚十原包原标签常备现货! |
询价 | |||
MAXIM |
22+ |
DIP8 |
5000 |
原装现货库存.价格优势!! |
询价 | ||
MAXIM |
23+ |
DIP8 |
8500 |
原装正品,现货销售 |
询价 | ||
MAXIM |
21+ |
DIP8 |
12588 |
全新原装深圳现货 |
询价 | ||
MAXIM |
21+ |
DIP8 |
16500 |
进口原装正品现货 |
询价 | ||
MAXIM |
5I22 |
DIP-8 |
4 |
询价 | |||
MAXIM/美信 |
23+ |
DIP |
25500 |
授权代理直销,原厂原装现货,假一罚十,特价销售 |
询价 | ||
MAXIM/美信 |
22+ |
DIP |
9600 |
原装现货,优势供应,支持实单! |
询价 |