型号 | 下载 订购 | 功能描述 | 制造商 上传企业 | 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 页数:16 Pages | Maxim 美信 | Maxim | |
MAX849 | 1节至3节电池、大功率、低噪声、升压型DC-DC转换器 MAX848/MAX849升压转换器为便携式电话和带有RF数据链路的小型系统等对噪声敏感的电源应用设立了高效率和高集成度的新标准。这些器件的核心是同步升压拓扑稳压器,可从一到三节NiCd/NiMH电池或一节锂离子电池生成固定的3.3V输出(或2.7V至5.5V可调输出)。\n\n 与类似的非同步升压稳压器相比,同步整流的效率提高了5%。在待机模式下,脉冲跳跃PFM操作保持输出电压有效,静态功耗仅为150µW。固定频率PWM操作确保开关噪声频谱限制在300kHz基波及其谐波内,从而可以轻松降低滤波后噪声。要获得更严格的噪声频谱控制,可同步至200kHz至400kHz的外部时钟。 • 效率高达95%\n\n• 3.3V Dual Mode™,或2.7V至5.5V可调输出\n\n• 输入范围:0.7V至5.5V\n\n• 0.15mW待机模式\n\n• 300kHz PWM模式或可同步\n\n• 具有串行输出的双通道ADC\n\n• 电源良好功能; | ADI 亚德诺 | 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 页数:16 Pages | Maxim 美信 | Maxim | ||
Package:16-SOIC(0.154",3.90mm 宽);包装:卷带(TR)剪切带(CT)Digi-Reel® 得捷定制卷带 类别:集成电路(IC) 特殊用途稳压器 描述:IC REG CONV RF DATA 1OUT 16SO | AD 亚德诺 | AD | ||
Package:16-SOIC(0.154",3.90mm 宽);包装:卷带(TR) 类别:集成电路(IC) 特殊用途稳压器 描述:IC REG CONV RF DATA 1OUT 16SO | AD 亚德诺 | AD |
技术参数
- 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
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
25+ |
SMD |
2250 |
100%全新原装公司现货供应!随时可发货 |
询价 | ||
24+ |
3000 |
公司现货 |
询价 | ||||
MAXIM |
22+ |
原廠原封 |
1000 |
原装现货库存.价格优势!! |
询价 | ||
MAXIM |
13+ |
2590 |
原装分销 |
询价 | |||
MAXIM |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
询价 | ||
MAXIM |
15+ |
SOP16 |
11560 |
全新原装,现货库存,长期供应 |
询价 | ||
MAX |
06+ |
原厂原装 |
61 |
只做全新原装真实现货供应 |
询价 | ||
MAXIM |
23+ |
SOP16 |
7000 |
绝对全新原装!现货!特价!请放心订购! |
询价 | ||
MAXIM |
24+ |
SOP16 |
4652 |
公司原厂原装现货假一罚十!特价出售!强势库存! |
询价 | ||
MAXIM |
25+ |
SOP16 |
63242 |
品牌一级代理,新加坡香港上百万现货,欢迎查询! |
询价 |
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